mrva-docker/containers/aptcacher

• Use apt-cacher to speed up container builds
  • Pull the apt-cacher-ng Docker Image
  • Run the apt-cacher-ng Container
  • Modify the Dockerfile to Use the Cache

Use apt-cacher to speed up container builds

Pull the apt-cacher-ng Docker Image

  docker pull sameersbn/apt-cacher-ng

Run the apt-cacher-ng Container

Start the container and expose port `3142`

  docker run -d --name apt-cacher-ng \
         -p 3142:3142 \
         sameersbn/apt-cacher-ng

Modify the Dockerfile to Use the Cache

In all Dockerfiles, set up APT to use the proxy provided by `apt-cacher-ng`.

XX:

  RUN echo 'Acquire::http::Proxy "http://host.docker.internal:3142";' \
      > /etc/apt/apt.conf.d/01proxy && \
      apt-get update && apt-get install --no-install-recommends --assume-yes \
      unzip curl ca-certificates default-jdk && \
      apt-get clean && rm -rf /var/lib/apt/lists/*

If you are building on the same machine, use host.docker.internal (on macOS/Windows) or the host's IP address on Linux.