extra command 3

.github/workflows/centos7.yml

@@ -88,13 +88,21 @@ jobs:
           # Allows to restore a cache when deps have only partially changed (like adding a dependency)
           restore-keys: vcpkg-cache-centos7-
 
+      - name: Setup ccache
+        uses: hendrikmuhs/[email protected]
+        with:
+          key: centos7-on-${{ runner.os }}
+
+
       - name: Build the image and Antares
         run: |
           docker build \
           -t antares:centos7  \
           --build-arg="BRANCH=${{ env.REF }}" \
           --build-arg="NPROC=$(nproc)" \
           --build-arg="VCPKG_CACHE_DIR=./vcpkg_cache" \
+          --build-arg CCACHE_DIR=/tmp/ccache \
+          --build-arg CCACHE_KEY=centos7-on-${{ runner.os }} \
           -f ${{ env.DOCKERFILE }} .
 
 
@@ -130,3 +138,8 @@ jobs:
           path: ${{ github.workspace }}/vcpkg_cache
           key: vcpkg-cache-centos7-${{ hashFiles('src/vcpkg.json', '.git/modules/vcpkg/HEAD') }}
 
+
+      - name: Save ccache
+        uses: hendrikmuhs/[email protected]
+        with:
+          key: centos7-on-${{ runner.os }}

docker/Dockerfile

@@ -36,6 +36,19 @@ RUN ORTOOLS_TAG=$(cat  /workspace/Antares_Simulator/ortools_tag) && \
             rm ortools.zip
 
 WORKDIR /workspace/Antares_Simulator
+# Accept build arguments for ccache
+ARG CCACHE_DIR
+ARG CCACHE_KEY
+
+# Copy ccache directory into the container
+COPY ${CCACHE_DIR:-/dev/null} /home/workspace/.ccache
+
+RUN ls -la /home/workspace/.ccache
+# Configure ccache environment variables
+ENV CCACHE_DIR=/home/workspace/.ccache
+ENV CCACHE_BASEDIR=/home/workspace
+ENV CCACHE_COMPRESS=1
+ENV PATH="/usr/lib/ccache:$PATH"
 
 RUN  source /opt/rh/devtoolset-11/enable && \
      source /opt/rh/rh-git227/enable && \