Docker's entrypoint its not been executing when a pipeline starts
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Description
I'm using a custom docker image that executes an ENTRYPOINT in the Dockerfile but when I start a new pipeline it seems like it's not running. I'm trying to override the entrypoint in this way:
container:
image: build-box:fedora32
args: "--entrypoint /usr/local/sbin/entrypoint.sh"
but it didn't work. I also checked the logs and I got this
/usr/local/bin/docker create --name 96440d6a5a1b4327959a908575ac7007_buildboxfedora32_61e57a --label 60e226 --workdir /__w/dummy-parent/dummy-parent --network github_network_a07acb3416474dafa3a215ada707a2ec --entrypoint '/usr/local/sbin/entrypoint.sh' -e "HOME=/github/home" -e GITHUB_ACTIONS=true -e CI=true -v "/var/run/docker.sock":"/var/run/docker.sock" -v "/runner/_work":"/__w" -v "/runner/externals":"/__e":ro -v "/runner/_work/_temp":"/__w/_temp" -v "/runner/_work/_actions":"/__w/_actions" -v "/opt/hostedtoolcache":"/__t" -v "/runner/_work/_temp/_github_home":"/github/home" -v "/runner/_work/_temp/_github_workflow":"/github/workflow" --entrypoint "tail" build-box:fedora32 "-f" "/dev/null"
Can someone please help me to fix this? According to here: https://docs.github.com/en/enterprise-server@3.2/actions/creating-actions/metadata-syntax-for-github-actions#runsentrypoint, it should be running the ENTRYPOINT on the Dockerfile by default
If you omit entrypoint, the commands you specify in the Docker ENTRYPOINT instruction will execute. The Docker ENTRYPOINT instruction has a shell form and exec form.
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the container configuration and the logged docker create command shown in the issue, comparing the requested entrypoint with the final command's entrypoint arguments. Trace the runner's Docker container setup and verify the fix by starting a pipeline where the Dockerfile ENTRYPOINT executes when no override is requested.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- docker, github-actions
- Domain
- ci-cd, devops
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 32/100