mcollina / mcollina/dockerode-build
Dockerfile with ARG:s gives 500-error
Open
Nobody has claimed this yet.
- Dominant language
- JavaScript
- Stars
- 5
- Forks
- 1
- PR merge metrics
- No merged PRs in 30d
Description
Cannot build Dockerfile with ARG:s like below:
ARG version=3.5
FROM alpine:${version}
dockerd responds with:
(HTTP code 500) server error - {"message":"invalid tag format"}
Contributor guide
No contributing guide indexed for this repository
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
Reproduce the reported 500 error with the Dockerfile snippet using the repository's build entry point. Trace how the Dockerfile is passed to Docker and compare handling of ARG before FROM with a fixed image tag. Done means ARG-based tags build successfully without an invalid-tag error.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- docker, javascript
- Domain
- build-system, devops
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100