Merge pull request #45 from DataDog/feat/add-datadog-to-docker

feat: add Datadog tracer to Dockerfiles

Author: jeastham1993

user-management/scripts/target.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+set -e
+
+# Map TARGETPLATFORM to Rust target
+case "$TARGETPLATFORM" in
+    "linux/amd64")
+        export TRACER_ARCHITECTURE="amd64"
+        ;;
+    "linux/arm64")
+        export TRACER_ARCHITECTURE="arm64"
+        ;;
+    *)
+        echo "Unsupported platform: $TARGETPLATFORM"
+        exit 1
+        ;;
+esac

user-management/src/Stickerlandia.UserManagement.Api/Dockerfile

@@ -1,7 +1,14 @@
-FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+FROM --platform=${BUILDPLATFORM} mcr.microsoft.com/dotnet/sdk:8.0 AS build
+
+ARG TARGETPLATFORM
 
 WORKDIR /App
 
+COPY ./scripts ./scripts
+
+# Download the latest version of the tracer but don't install yet
+RUN . scripts/target.sh && curl -Lo /tmp/datadog-dotnet-apm.deb https://github.com/DataDog/dd-trace-dotnet/releases/download/v3.19.0/datadog-dotnet-apm_3.19.0_${TRACER_ARCHITECTURE}.deb
+
 # Deps
 COPY src/Stickerlandia.UserManagement.Api/Stickerlandia.UserManagement.Api.csproj src/Stickerlandia.UserManagement.Api/
 RUN dotnet restore src/Stickerlandia.UserManagement.Api/Stickerlandia.UserManagement.Api.csproj
@@ -12,11 +19,32 @@ COPY . ./
 # Publish the application
 RUN dotnet publish src/Stickerlandia.UserManagement.Api/Stickerlandia.UserManagement.Api.csproj -o out -c Release
 
-FROM mcr.microsoft.com/dotnet/aspnet:8.0-noble-chiseled AS runtime
+FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS runtime
+
+# Copy the tracer from build target
+COPY --from=build /tmp/datadog-dotnet-apm.deb /tmp/datadog-dotnet-apm.deb
+# Install the tracer
+RUN mkdir -p /opt/datadog \
+    && mkdir -p /var/log/datadog \
+    && dpkg -i /tmp/datadog-dotnet-apm.deb \
+    && rm /tmp/datadog-dotnet-apm.deb
+
 ARG DD_GIT_REPOSITORY_URL
 ARG DD_GIT_COMMIT_SHA
+
 ENV DD_GIT_REPOSITORY_URL=${DD_GIT_REPOSITORY_URL} 
 ENV DD_GIT_COMMIT_SHA=${DD_GIT_COMMIT_SHA}
+
+# These environment variables configure the Datadog .NET Tracer
+ENV CORECLR_ENABLE_PROFILING=1
+ENV CORECLR_PROFILER={846F5F1C-F9AE-4B07-969E-05C26BC060D8}
+ENV CORECLR_PROFILER_PATH=/opt/datadog/Datadog.Trace.ClrProfiler.Native.so
+ENV DD_DOTNET_TRACER_HOME=/opt/datadog
+ENV DD_INTEGRATIONS=/opt/datadog/integrations.json
+ENV DD_LOGS_INJECTION=true
+ENV DD_RUNTIME_METRICS_ENABLED=true
+ENV DD_PROFILING_ENABLED=1
+
 WORKDIR /App
 COPY --from=build /App/out .
 EXPOSE 80