Brev: Use COPY --chmod to reduce Docker image layer count.

Author: brycelelbach

tutorials/accelerated-python/brev/dockerfile

@@ -118,10 +118,7 @@ RUN python -m venv ${ACH_RAPIDS_VENV} \
     --display-name="Python 3 (RAPIDS 25.10)" \
     --prefix=/usr/local
 
-COPY . /accelerated-computing-hub
-
-# Ensure accelerated-computing-hub directory is writable by any user
-RUN chmod -R a+rwX /accelerated-computing-hub
+COPY --chmod=0777 . /accelerated-computing-hub
 
 WORKDIR /accelerated-computing-hub/tutorials/${ACH_TUTORIAL}/notebooks
 

tutorials/cuda-cpp/brev/dockerfile

@@ -50,10 +50,7 @@ RUN apt-get update -y \
  && apt-get clean -y \
  && rm -rf /var/lib/apt/lists/*
 
-COPY . /accelerated-computing-hub
-
-# Ensure accelerated-computing-hub directory is writable by any user
-RUN chmod -R a+rwX /accelerated-computing-hub
+COPY --chmod=0777 . /accelerated-computing-hub
 
 WORKDIR /accelerated-computing-hub/tutorials/${ACH_TUTORIAL}/notebooks
 

tutorials/cuda-tile/brev/dockerfile

@@ -77,10 +77,7 @@ RUN curl -L -O https://developer.nvidia.com/downloads/assets/tools/secure/nsight
 RUN python -m jupyter labextension disable "@jupyterlab/apputils-extension:announcements" \
  && python -m jupyter labextension disable "@jupyterlab/console-extension:tracker"
 
-COPY . /accelerated-computing-hub
-
-# Ensure accelerated-computing-hub directory is writable by any user
-RUN chmod -R a+rwX /accelerated-computing-hub
+COPY --chmod=0777 . /accelerated-computing-hub
 
 WORKDIR /accelerated-computing-hub/tutorials/${ACH_TUTORIAL}/notebooks
 

tutorials/nvmath-python/brev/dockerfile

@@ -47,10 +47,7 @@ RUN apt-get update -y \
  && apt-get clean -y \
  && rm -rf /var/lib/apt/lists/*
 
-COPY . /accelerated-computing-hub
-
-# Ensure accelerated-computing-hub directory is writable by any user
-RUN chmod -R a+rwX /accelerated-computing-hub
+COPY --chmod=0777 . /accelerated-computing-hub
 
 WORKDIR /accelerated-computing-hub/tutorials/${ACH_TUTORIAL}/notebooks
 

tutorials/stdpar/brev/docker-recipe.py

@@ -144,12 +144,7 @@
 ])
 
 
-Stage0 += copy(src='.', dest='/accelerated-computing-hub')
-
-# Ensure accelerated-computing-hub directory is writable by any user
-Stage0 += shell(commands=[
-  'chmod -R a+rwX /accelerated-computing-hub',
-])
+Stage0 += raw(docker='COPY --chmod=0777 . /accelerated-computing-hub')
 
 Stage0 += workdir(directory=f'/accelerated-computing-hub/tutorials/{tutorial}/notebooks')