Use a docker volume to store apt metdata.

Author: hopeseekr

docker/build-images.sh

@@ -14,13 +14,16 @@ PHP_VERSIONS="5.6 7.0 7.1 7.2 7.3 7.4 8.0 8.1 8.2 8.3"
 #PHP_VERSIONS="8.3"
 cd images
 
+# Create the apt cache volume
+docker volume create apt-cache
+
 export BUILDKIT_STEP_LOG_MAX_SIZE=104857600
 
 # Build the base linux image first.
 export DOCKER_BUILDKIT=1
 
 docker rmi --force phpexperts/linux:latest
-docker build linux --tag="phpexperts/linux:latest" --no-cache --progress=plain
+docker build linux --tag="phpexperts/linux:latest" --no-cache --build-arg VOLUME="apt-cache:/var/lib/apt"  --progress=plain
 docker tag phpexperts/linux:latest phpexperts/linux:$(date '+%Y-%m-%d')
 
 # Download build assets
@@ -55,35 +58,37 @@ for VERSION in ${PHP_VERSIONS}; do
   docker rmi --force phpexperts/web:nginx-php${VERSION}-debug 2> /dev/null
   docker rmi --force phpexperts/web:nginx-php${VERSION}-ioncube 2> /dev/null
 
-  docker build base       --tag="phpexperts/php:latest"                    --build-arg PHP_VERSION=$VERSION --no-cache --progress=plain
+  docker build base       --tag="phpexperts/php:latest"                    --build-arg VOLUME="apt-cache:/var/lib/apt" --build-arg PHP_VERSION=$VERSION --no-cache --progress=plain
   docker tag phpexperts/php:latest "phpexperts/php:${MAJOR_VERSION}"
   docker tag phpexperts/php:latest "phpexperts/php:${VERSION}"
 
   docker rmi --force phpexperts/php:${VERSION}-full
-  docker build base-full  --tag="phpexperts/php:${VERSION}-full"           --build-arg PHP_VERSION=$VERSION --no-cache --progress=plain
+  docker build base-full  --tag="phpexperts/php:${VERSION}-full"           --build-arg VOLUME="apt-cache:/var/lib/apt" --build-arg PHP_VERSION=$VERSION --no-cache --progress=plain
 
   cp ~/.ssh/id_ed25519 base-oracle/.build-assets/
   docker rmi --force phpexperts/php:${VERSION}-oracle
-  docker build base-oracle  --tag="phpexperts/php:${VERSION}-oracle"           --build-arg PHP_VERSION=$VERSION --no-cache --progress=plain
+  docker build base-oracle  --tag="phpexperts/php:${VERSION}-oracle"       --build-arg VOLUME="apt-cache:/var/lib/apt" --build-arg PHP_VERSION=$VERSION --no-cache --progress=plain
   rm -f base-oracle/.build-assets/id_ed25519
 
-  docker build base-debug --tag="phpexperts/php:latest-debug"              --build-arg PHP_VERSION=$VERSION --no-cache --progress=plain
+  docker build base-debug --tag="phpexperts/php:latest-debug"              --build-arg VOLUME="apt-cache:/var/lib/apt" --build-arg PHP_VERSION=$VERSION --no-cache --progress=plain
   docker tag phpexperts/php:latest-debug "phpexperts/php:${MAJOR_VERSION}-debug"
   docker tag phpexperts/php:latest-debug "phpexperts/php:${VERSION}-debug"
 
   docker tag "phpexperts/php:${VERSION}" phpexperts/php:latest
-  docker build web        --tag="phpexperts/web:nginx-php${VERSION}"       --build-arg PHP_VERSION=$VERSION --no-cache --progress=plain
-  docker build web-debug  --tag="phpexperts/web:nginx-php${VERSION}-debug" --build-arg PHP_VERSION=$VERSION --no-cache --progress=plain
+  docker build web        --tag="phpexperts/web:nginx-php${VERSION}"       --build-arg VOLUME="apt-cache:/var/lib/apt" --build-arg PHP_VERSION=$VERSION --no-cache --progress=plain
+  docker build web-debug  --tag="phpexperts/web:nginx-php${VERSION}-debug" --build-arg VOLUME="apt-cache:/var/lib/apt" --build-arg PHP_VERSION=$VERSION --no-cache --progress=plain
 
 
   # IonCube doesn't support PHP v8.0 or v8.3.
   if [[ "$VERSION" != "8.0" && "$VERSION" != "8.3" ]]; then
     echo "Building IonCube for PHP v${VERSION}"
-    docker build base-ioncube --tag="phpexperts/php:${VERSION}-ioncube"          --build-arg PHP_VERSION=$VERSION --no-cache --progress=plain
-    docker build web-ioncube  --tag="phpexperts/web:nginx-php${VERSION}-ioncube" --build-arg PHP_VERSION=$VERSION --no-cache --progress=plain
+    docker build base-ioncube --tag="phpexperts/php:${VERSION}-ioncube"          --build-arg VOLUME="apt-cache:/var/lib/apt" --build-arg PHP_VERSION=$VERSION --no-cache --progress=plain
+    docker build web-ioncube  --tag="phpexperts/web:nginx-php${VERSION}-ioncube" --build-arg VOLUME="apt-cache:/var/lib/apt" --build-arg PHP_VERSION=$VERSION --no-cache --progress=plain
   fi
 done
 
+docker volume rm apt-cache
+
 #docker rmi --force phpexperts/php:8.2 phpexperts/web:nginx-php8.2
 #docker build base-php8 --tag="phpexperts/php:8.2" --no-cache --progress=plain
 

docker/images/linux/Dockerfile

@@ -30,4 +30,6 @@ RUN echo "Building base Linux..." && \
 
 WORKDIR /workdir
 
+VOLUME /var/lib/apt
+
 ENTRYPOINT ["bash", "-l"]