diff --git a/host/4/bullseye/amd64/base/host.Dockerfile b/host/4/bullseye/amd64/base/host.Dockerfile
index 5a828b0aa..870cf5970 100644
--- a/host/4/bullseye/amd64/base/host.Dockerfile
+++ b/host/4/bullseye/amd64/base/host.Dockerfile
@@ -1,5 +1,6 @@
 ARG HOST_VERSION=4.1.3
 
+
 FROM mcr.microsoft.com/dotnet/sdk:6.0.100 AS runtime-image
 ARG HOST_VERSION
 
@@ -16,14 +17,14 @@ RUN BUILD_NUMBER=$(echo ${HOST_VERSION} | cut -d'.' -f 3) && \
 
 RUN apt-get update && \
     apt-get install -y gnupg wget unzip && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
     find /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/bin/runtimes/ -mindepth 1 -type d -not -name "linux-x64" -prune -exec rm -rf {} + && \
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
diff --git a/host/4/bullseye/amd64/dotnet/dotnet-inproc/dotnet-composite.template b/host/4/bullseye/amd64/dotnet/dotnet-inproc/dotnet-composite.template
index 092ba5cbf..43b24e681 100644
--- a/host/4/bullseye/amd64/dotnet/dotnet-inproc/dotnet-composite.template
+++ b/host/4/bullseye/amd64/dotnet/dotnet-inproc/dotnet-composite.template
@@ -5,7 +5,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     HOME=/home \
     FUNCTIONS_WORKER_RUNTIME=dotnet \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/dotnet/dotnet-inproc/dotnet-slim.Dockerfile b/host/4/bullseye/amd64/dotnet/dotnet-inproc/dotnet-slim.Dockerfile
index f4c167c0e..0869aee36 100644
--- a/host/4/bullseye/amd64/dotnet/dotnet-inproc/dotnet-slim.Dockerfile
+++ b/host/4/bullseye/amd64/dotnet/dotnet-inproc/dotnet-slim.Dockerfile
@@ -21,13 +21,13 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -42,7 +42,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     HOME=/home \
     FUNCTIONS_WORKER_RUNTIME=dotnet \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/dotnet/dotnet-inproc/dotnet.Dockerfile b/host/4/bullseye/amd64/dotnet/dotnet-inproc/dotnet.Dockerfile
index e23feca03..8a9726e9a 100644
--- a/host/4/bullseye/amd64/dotnet/dotnet-inproc/dotnet.Dockerfile
+++ b/host/4/bullseye/amd64/dotnet/dotnet-inproc/dotnet.Dockerfile
@@ -21,13 +21,13 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -42,7 +42,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     HOME=/home \
     FUNCTIONS_WORKER_RUNTIME=dotnet \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/dotnet/dotnet-isolated/dotnet-isolated-composite.template b/host/4/bullseye/amd64/dotnet/dotnet-isolated/dotnet-isolated-composite.template
index 7d7878817..c157e21b1 100644
--- a/host/4/bullseye/amd64/dotnet/dotnet-isolated/dotnet-isolated-composite.template
+++ b/host/4/bullseye/amd64/dotnet/dotnet-isolated/dotnet-isolated-composite.template
@@ -8,7 +8,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     HOME=/home \
     FUNCTIONS_WORKER_RUNTIME=dotnet-isolated \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/dotnet/dotnet-isolated/dotnet-isolated-slim.Dockerfile b/host/4/bullseye/amd64/dotnet/dotnet-isolated/dotnet-isolated-slim.Dockerfile
index caab287bb..77e969762 100644
--- a/host/4/bullseye/amd64/dotnet/dotnet-isolated/dotnet-isolated-slim.Dockerfile
+++ b/host/4/bullseye/amd64/dotnet/dotnet-isolated/dotnet-isolated-slim.Dockerfile
@@ -21,13 +21,13 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -42,7 +42,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     HOME=/home \
     FUNCTIONS_WORKER_RUNTIME=dotnet-isolated \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/dotnet/dotnet-isolated/dotnet-isolated.Dockerfile b/host/4/bullseye/amd64/dotnet/dotnet-isolated/dotnet-isolated.Dockerfile
index a1eee642a..e2a77d3a0 100644
--- a/host/4/bullseye/amd64/dotnet/dotnet-isolated/dotnet-isolated.Dockerfile
+++ b/host/4/bullseye/amd64/dotnet/dotnet-isolated/dotnet-isolated.Dockerfile
@@ -21,13 +21,13 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -42,7 +42,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     HOME=/home \
     FUNCTIONS_WORKER_RUNTIME=dotnet-isolated \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/java/java11/java11-composite.template b/host/4/bullseye/amd64/java/java11/java11-composite.template
index bfb3f50d6..594e6417c 100644
--- a/host/4/bullseye/amd64/java/java11/java11-composite.template
+++ b/host/4/bullseye/amd64/java/java11/java11-composite.template
@@ -10,7 +10,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     HOME=/home \
     FUNCTIONS_WORKER_RUNTIME=java \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/java/java11/java11-slim.Dockerfile b/host/4/bullseye/amd64/java/java11/java11-slim.Dockerfile
index 8e3062e16..20eabcae4 100644
--- a/host/4/bullseye/amd64/java/java11/java11-slim.Dockerfile
+++ b/host/4/bullseye/amd64/java/java11/java11-slim.Dockerfile
@@ -23,13 +23,13 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -45,7 +45,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     HOME=/home \
     FUNCTIONS_WORKER_RUNTIME=java \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/java/java11/java11.Dockerfile b/host/4/bullseye/amd64/java/java11/java11.Dockerfile
index 8e3062e16..20eabcae4 100644
--- a/host/4/bullseye/amd64/java/java11/java11.Dockerfile
+++ b/host/4/bullseye/amd64/java/java11/java11.Dockerfile
@@ -23,13 +23,13 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -45,7 +45,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     HOME=/home \
     FUNCTIONS_WORKER_RUNTIME=java \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/java/java8/java8-composite.template b/host/4/bullseye/amd64/java/java8/java8-composite.template
index 70e9926b0..c10642d96 100644
--- a/host/4/bullseye/amd64/java/java8/java8-composite.template
+++ b/host/4/bullseye/amd64/java/java8/java8-composite.template
@@ -10,7 +10,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     HOME=/home \
     FUNCTIONS_WORKER_RUNTIME=java \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/java/java8/java8-slim.Dockerfile b/host/4/bullseye/amd64/java/java8/java8-slim.Dockerfile
index fc1137b91..6708edb15 100644
--- a/host/4/bullseye/amd64/java/java8/java8-slim.Dockerfile
+++ b/host/4/bullseye/amd64/java/java8/java8-slim.Dockerfile
@@ -22,13 +22,13 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -44,7 +44,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     HOME=/home \
     FUNCTIONS_WORKER_RUNTIME=java \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/java/java8/java8.Dockerfile b/host/4/bullseye/amd64/java/java8/java8.Dockerfile
index fc1137b91..6708edb15 100644
--- a/host/4/bullseye/amd64/java/java8/java8.Dockerfile
+++ b/host/4/bullseye/amd64/java/java8/java8.Dockerfile
@@ -22,13 +22,13 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -44,7 +44,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     HOME=/home \
     FUNCTIONS_WORKER_RUNTIME=java \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/node/node14/node14-composite.template b/host/4/bullseye/amd64/node/node14/node14-composite.template
index 0163c98b7..7a51788ee 100644
--- a/host/4/bullseye/amd64/node/node14/node14-composite.template
+++ b/host/4/bullseye/amd64/node/node14/node14-composite.template
@@ -20,7 +20,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     HOME=/home \
     FUNCTIONS_WORKER_RUNTIME=node \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/node/node14/node14-slim.Dockerfile b/host/4/bullseye/amd64/node/node14/node14-slim.Dockerfile
index f66ce95d4..a1b5d2123 100644
--- a/host/4/bullseye/amd64/node/node14/node14-slim.Dockerfile
+++ b/host/4/bullseye/amd64/node/node14/node14-slim.Dockerfile
@@ -21,13 +21,13 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -48,7 +48,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     HOME=/home \
     FUNCTIONS_WORKER_RUNTIME=node \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/node/node14/node14.Dockerfile b/host/4/bullseye/amd64/node/node14/node14.Dockerfile
index c832a83c7..e152f6c19 100644
--- a/host/4/bullseye/amd64/node/node14/node14.Dockerfile
+++ b/host/4/bullseye/amd64/node/node14/node14.Dockerfile
@@ -21,13 +21,13 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -57,7 +57,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     HOME=/home \
     FUNCTIONS_WORKER_RUNTIME=node \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/node/node16/node16-composite.template b/host/4/bullseye/amd64/node/node16/node16-composite.template
index e03823cd7..ba96fb0f7 100644
--- a/host/4/bullseye/amd64/node/node16/node16-composite.template
+++ b/host/4/bullseye/amd64/node/node16/node16-composite.template
@@ -20,7 +20,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     HOME=/home \
     FUNCTIONS_WORKER_RUNTIME=node \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/node/node16/node16-slim.Dockerfile b/host/4/bullseye/amd64/node/node16/node16-slim.Dockerfile
index c2b9fb4e7..e9c421f8f 100644
--- a/host/4/bullseye/amd64/node/node16/node16-slim.Dockerfile
+++ b/host/4/bullseye/amd64/node/node16/node16-slim.Dockerfile
@@ -21,13 +21,13 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -48,7 +48,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     HOME=/home \
     FUNCTIONS_WORKER_RUNTIME=node \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/node/node16/node16.Dockerfile b/host/4/bullseye/amd64/node/node16/node16.Dockerfile
index c99726e74..e2e010e89 100644
--- a/host/4/bullseye/amd64/node/node16/node16.Dockerfile
+++ b/host/4/bullseye/amd64/node/node16/node16.Dockerfile
@@ -21,13 +21,13 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -57,7 +57,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     HOME=/home \
     FUNCTIONS_WORKER_RUNTIME=node \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/powershell/powershell7-appservice.Dockerfile b/host/4/bullseye/amd64/powershell/powershell7-appservice.Dockerfile
index e75669e21..04c862456 100644
--- a/host/4/bullseye/amd64/powershell/powershell7-appservice.Dockerfile
+++ b/host/4/bullseye/amd64/powershell/powershell7-appservice.Dockerfile
@@ -25,14 +25,14 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
     find /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION/bin/runtimes/ -mindepth 1 -type d -not -name "linux-x64" -prune -exec rm -rf {} + && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
     find /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/bin/runtimes/ -mindepth 1 -type d -not -name "linux-x64" -prune -exec rm -rf {} + && \
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -53,7 +53,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     FUNCTIONS_WORKER_RUNTIME=powershell \
     FUNCTIONS_WORKER_RUNTIME_VERSION=~7 \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/powershell/powershell7-slim.Dockerfile b/host/4/bullseye/amd64/powershell/powershell7-slim.Dockerfile
index 42cb4b80b..6d79e2834 100644
--- a/host/4/bullseye/amd64/powershell/powershell7-slim.Dockerfile
+++ b/host/4/bullseye/amd64/powershell/powershell7-slim.Dockerfile
@@ -24,13 +24,13 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -50,7 +50,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     FUNCTIONS_WORKER_RUNTIME=powershell \
     FUNCTIONS_WORKER_RUNTIME_VERSION=~7 \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/powershell/powershell7.Dockerfile b/host/4/bullseye/amd64/powershell/powershell7.Dockerfile
index 42cb4b80b..6d79e2834 100644
--- a/host/4/bullseye/amd64/powershell/powershell7.Dockerfile
+++ b/host/4/bullseye/amd64/powershell/powershell7.Dockerfile
@@ -24,13 +24,13 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -50,7 +50,8 @@ ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
     FUNCTIONS_WORKER_RUNTIME=powershell \
     FUNCTIONS_WORKER_RUNTIME_VERSION=~7 \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/python/python37/python37-composite.template b/host/4/bullseye/amd64/python/python37/python37-composite.template
index e1e5db534..4802804a8 100644
--- a/host/4/bullseye/amd64/python/python37/python37-composite.template
+++ b/host/4/bullseye/amd64/python/python37/python37-composite.template
@@ -9,7 +9,8 @@ ENV LANG=C.UTF-8 \
     ASPNETCORE_URLS=http://+:80 \
     DOTNET_RUNNING_IN_CONTAINER=true \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Install Python dependencies
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/python/python37/python37-slim.Dockerfile b/host/4/bullseye/amd64/python/python37/python37-slim.Dockerfile
index b3302da0d..ceccaaeb8 100644
--- a/host/4/bullseye/amd64/python/python37/python37-slim.Dockerfile
+++ b/host/4/bullseye/amd64/python/python37/python37-slim.Dockerfile
@@ -21,13 +21,13 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -46,7 +46,8 @@ ENV LANG=C.UTF-8 \
     ASPNETCORE_URLS=http://+:80 \
     DOTNET_RUNNING_IN_CONTAINER=true \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Install Python dependencies
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/python/python37/python37.Dockerfile b/host/4/bullseye/amd64/python/python37/python37.Dockerfile
index 08a6253ca..4725e755d 100644
--- a/host/4/bullseye/amd64/python/python37/python37.Dockerfile
+++ b/host/4/bullseye/amd64/python/python37/python37.Dockerfile
@@ -21,13 +21,13 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -46,7 +46,8 @@ ENV LANG=C.UTF-8 \
     ASPNETCORE_URLS=http://+:80 \
     DOTNET_RUNNING_IN_CONTAINER=true \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Install Python dependencies
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/python/python38/python38-composite.template b/host/4/bullseye/amd64/python/python38/python38-composite.template
index f286bde29..100ef2c31 100644
--- a/host/4/bullseye/amd64/python/python38/python38-composite.template
+++ b/host/4/bullseye/amd64/python/python38/python38-composite.template
@@ -9,7 +9,8 @@ ENV LANG=C.UTF-8 \
     ASPNETCORE_URLS=http://+:80 \
     DOTNET_RUNNING_IN_CONTAINER=true \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Install Python dependencies
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/python/python38/python38-slim.Dockerfile b/host/4/bullseye/amd64/python/python38/python38-slim.Dockerfile
index b0514c2fa..2e7f5ae35 100644
--- a/host/4/bullseye/amd64/python/python38/python38-slim.Dockerfile
+++ b/host/4/bullseye/amd64/python/python38/python38-slim.Dockerfile
@@ -21,13 +21,13 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -46,7 +46,8 @@ ENV LANG=C.UTF-8 \
     ASPNETCORE_URLS=http://+:80 \
     DOTNET_RUNNING_IN_CONTAINER=true \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Install Python dependencies
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/python/python38/python38.Dockerfile b/host/4/bullseye/amd64/python/python38/python38.Dockerfile
index b4e355050..5339ac58f 100644
--- a/host/4/bullseye/amd64/python/python38/python38.Dockerfile
+++ b/host/4/bullseye/amd64/python/python38/python38.Dockerfile
@@ -21,13 +21,13 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -46,7 +46,8 @@ ENV LANG=C.UTF-8 \
     ASPNETCORE_URLS=http://+:80 \
     DOTNET_RUNNING_IN_CONTAINER=true \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Install Python dependencies
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/python/python39/python39-composite.template b/host/4/bullseye/amd64/python/python39/python39-composite.template
index 9ee35088a..263f7fc47 100644
--- a/host/4/bullseye/amd64/python/python39/python39-composite.template
+++ b/host/4/bullseye/amd64/python/python39/python39-composite.template
@@ -9,7 +9,8 @@ ENV LANG=C.UTF-8 \
     ASPNETCORE_URLS=http://+:80 \
     DOTNET_RUNNING_IN_CONTAINER=true \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Install Python dependencies
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/python/python39/python39-slim.Dockerfile b/host/4/bullseye/amd64/python/python39/python39-slim.Dockerfile
index 7cc36d546..4bfc50327 100644
--- a/host/4/bullseye/amd64/python/python39/python39-slim.Dockerfile
+++ b/host/4/bullseye/amd64/python/python39/python39-slim.Dockerfile
@@ -21,13 +21,13 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -46,7 +46,8 @@ ENV LANG=C.UTF-8 \
     ASPNETCORE_URLS=http://+:80 \
     DOTNET_RUNNING_IN_CONTAINER=true \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Install Python dependencies
 RUN apt-get update && \
diff --git a/host/4/bullseye/amd64/python/python39/python39.Dockerfile b/host/4/bullseye/amd64/python/python39/python39.Dockerfile
index fc98a0262..be0c0ef4e 100644
--- a/host/4/bullseye/amd64/python/python39/python39.Dockerfile
+++ b/host/4/bullseye/amd64/python/python39/python39.Dockerfile
@@ -21,13 +21,13 @@ RUN EXTENSION_BUNDLE_VERSION=1.8.1 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     unzip /$EXTENSION_BUNDLE_FILENAME -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION && \
     rm -f /$EXTENSION_BUNDLE_FILENAME && \
-    EXTENSION_BUNDLE_VERSION_V2=2.8.3 && \
+    EXTENSION_BUNDLE_VERSION_V2=2.9.1 && \
     EXTENSION_BUNDLE_FILENAME_V2=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V2}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2/$EXTENSION_BUNDLE_FILENAME_V2 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     unzip /$EXTENSION_BUNDLE_FILENAME_V2 -d /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V2 && \
     rm -f /$EXTENSION_BUNDLE_FILENAME_V2 &&\
-    EXTENSION_BUNDLE_VERSION_V3=3.0.0 && \
+    EXTENSION_BUNDLE_VERSION_V3=3.6.1 && \
     EXTENSION_BUNDLE_FILENAME_V3=Microsoft.Azure.Functions.ExtensionBundle.${EXTENSION_BUNDLE_VERSION_V3}_linux-x64.zip && \
     wget https://functionscdn.azureedge.net/public/ExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3/$EXTENSION_BUNDLE_FILENAME_V3 && \
     mkdir -p /FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/$EXTENSION_BUNDLE_VERSION_V3 && \
@@ -46,7 +46,8 @@ ENV LANG=C.UTF-8 \
     ASPNETCORE_URLS=http://+:80 \
     DOTNET_RUNNING_IN_CONTAINER=true \
     DOTNET_USE_POLLING_FILE_WATCHER=true \
-    HOST_VERSION=${HOST_VERSION}
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host
 
 # Install Python dependencies
 RUN apt-get update && \
diff --git a/host/4/dotnet-build.yml b/host/4/dotnet-build.yml
index 1778b5722..ebf1d65b4 100644
--- a/host/4/dotnet-build.yml
+++ b/host/4/dotnet-build.yml
@@ -6,6 +6,7 @@ pr:
     include:
       - dev
       - release/4.x
+      - release/4.x-hotfix
   paths:
     include:
       - host/4/bullseye/amd64/base/*
@@ -17,6 +18,7 @@ trigger:
       - dev
       - refs/tags/4.*
       - release/4.x
+      - release/4.x-hotfix
   paths:
     include:
       - host/4/bullseye/amd64/base/*
diff --git a/host/4/java-build.yml b/host/4/java-build.yml
index 11ceca0db..0dd249177 100644
--- a/host/4/java-build.yml
+++ b/host/4/java-build.yml
@@ -6,6 +6,7 @@ pr:
     include:
       - dev
       - release/4.x
+      - release/4.x-hotfix
   paths:
     include:
       - host/4/bullseye/amd64/base/*
@@ -18,6 +19,7 @@ trigger:
       - dev
       - refs/tags/4.*
       - release/4.x
+      - release/4.x-hotfix
   paths:
     include:
       - host/4/bullseye/amd64/base/*
diff --git a/host/4/node-build.yml b/host/4/node-build.yml
index 70d595f2e..8303256ff 100644
--- a/host/4/node-build.yml
+++ b/host/4/node-build.yml
@@ -6,6 +6,7 @@ pr:
     include:
       - dev
       - release/4.x
+      - release/4.x-hotfix
   paths:
     include:
       - host/4/bullseye/amd64/base/*
@@ -17,6 +18,7 @@ trigger:
       - dev
       - refs/tags/4.*
       - release/4.x
+      - release/4.x-hotfix
   paths:
     include:
       - host/4/bullseye/amd64/base/*
diff --git a/host/4/powershell-build.yml b/host/4/powershell-build.yml
index 3d24f4540..969396795 100644
--- a/host/4/powershell-build.yml
+++ b/host/4/powershell-build.yml
@@ -6,6 +6,7 @@ pr:
     include:
       - dev
       - release/4.x
+      - release/4.x-hotfix
   paths:
     include:
       - host/4/bullseye/amd64/powershell/*
@@ -16,6 +17,7 @@ trigger:
       - dev
       - refs/tags/4.*
       - release/4.x
+      - release/4.x-hotfix
   paths:
     include:
       - host/4/bullseye/amd64/powershell/*
diff --git a/host/4/python-build.yml b/host/4/python-build.yml
index a493a61b0..9daf6346c 100644
--- a/host/4/python-build.yml
+++ b/host/4/python-build.yml
@@ -6,6 +6,7 @@ pr:
     include:
       - dev
       - release/4.x
+      - release/4.x-hotfix
   paths:
     include:
       - host/4/bullseye/amd64/base/*
@@ -17,6 +18,7 @@ trigger:
       - dev
       - refs/tags/4.*
       - release/4.x
+      - release/4.x-hotfix
   paths:
     include:
       - host/4/bullseye/amd64/base/*