This image packs a lot of features, but they should not be always needed. It would be nice to have a minimal variant of this image.

Building the docker image can be a lot quicker with proper cache configuration in GitHub Actions.

• just-containers/s6-overlay#418

Hi,

I'm using devcontainer in a Jenkins pipeline:

docker.build('devcontainer-agent', ".devcontainer")
                            .inside('--volume=/var/run/docker.sock:/var/run/docker.sock --network=host --group-add=docker -e TZ=Europe/Paris') {
        sh """
            mvn -s settings.xml clean deploy
            docker build -t local/my-webapp:latest --build-arg SERVER_PORT=8080 -f ./my-webapp/Dockerfile ./data-crud-service-webapp
        """
        }

My .devcontainer/Dockerfile looks like this:

FROM ghcr.io/felipecrs/devcontainer

RUN pkgx install openjdk.org@17 maven.apache.org@3 \
    && java --version \
    && mvn --version

I'd like to add a volume mount to the Docker command, adapted from the Jenkins documentation, so that I avoid redownloading dependencies between runs, something like -v $HOME/.m2:/root/.m2.

Where in the contained should I mount the agent's .m2 directory? I've made several attempts but could not get it to work...

With Sysbox, there is no need for the dind hack.

skopeo is very useful for copying docker images without having to download them.

Currently the only semantic versioning these images have are the :1 and :2 tags.

I need to pin its version too.

Refs #146

+ docker inspect -f . node:18-alpine

error during connect: Get "http://host.docker.internal:3375/v1.24/containers/node:18-alpine/json": EOF
[Pipeline] isUnix
[Pipeline] withEnv
[Pipeline] {
[Pipeline] sh
+ docker pull node:18-alpine
error during connect: Post "http://host.docker.internal:3375/v1.24/images/create?fromImage=node&tag=18-alpine": EOF

Background:

• Host is a ubuntu machine, running docker API version v1.43
  

• Jenkins master & jenkins proxy are both set up to run in docker
  

Possible root cause:

• My guess is the wrong docker version. 1.43 (my host docker version) vs 1.24 (your dind image)

Question:

• Is there a way to fix this without changing my host docker version?

Hey @felipecrs I tried to add gcloud cli utility but didn't make it. will you help me to add that one?

> /tmp/docker-daemon.log 2>&1

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Oh My Bash should be relatively small compared to the benefits it will bring when it comes to troubleshooting the build container with SSH.

Which can be done by using https://github.com/felipecrs/fixdockergid. When /var/run/docker.sock is present, we don't need to start the dind service.

This is useful when using this image as a Jenkinsfile docker agent and you don't want to run it as --privileged or the overhead of running yet another docker daemon.