testcontainers / testcontainers/testcontainers-python
Bug: Error while fetching server API version
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- Dominant language
- Python
- Stars
- 2.3k
- Forks
- 386
- Avg merge
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- Merged PRs (30d)
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Description
Describe the bug
The library is raising a DockerException when trying to fetch the server version. I saw multiple older issues related to this issue, but it's now repeating.
To Reproduce
def create_container():
container = PostgresContainer("pgvector/pgvector:pg17", driver=None)
container.start()
Runtime environment
- M1 Pro
- Python 3.12.8
- Docker Desktop 4.37.2 (179585)
- Testcontainers 4.9.0 installed via uv
Results of running docker context ls:
NAME DESCRIPTION DOCKER ENDPOINT ERROR
default Current DOCKER_HOST based configuration unix:///var/run/docker.sock
desktop-linux * Docker Desktop unix:///Users/naamanhirschfeld/.docker/run/docker.sock
Contributor guide
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
No source file or test is identified in the report. Start by reproducing the failure with PostgresContainer("pgvector/pgvector:pg17", driver=None) on the documented Docker context, then trace the server API version fetch that raises DockerException. Done means container startup succeeds in this environment without that error, with the behavior covered by a regression test.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- docker, python
- Domain
- devops, infrastructure
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 38/100