fix(DinD): add feature flag to re-enable DinD #622
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alexanderankin
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#388) ## What does this PR do? Adds support for reading the `tc.host` property from the `~/.testcontainers.properties` file. This config will have the highest priority for configuring the Docker client. ## Why is it important This brings [Testcontainers Desktop](https://testcontainers.com/desktop/) support to testcontainers-python and aligns this language with the `TestcontainersHostStrategy` found it testcontainers-java. ## Misc I wasn't able to get a working testcontainers-python development environment set up on my M2 MacBook. This seems to be related to some kind of Cython 3.0.0 issue, that I don't fully understand and trying to fix it breaks the installation of further dependencies (like pymssql). So I was only able to test it in an Ubuntu Codespaces environment (also required some weird Cython workarounds). ## Breaking Changes - To prioritise `tc.host` this PR prioritised having that over true `docker:dind` use cases - This means we stopped trying to automatically infer the container host IP when running inside a `docker:dind` container - When using `-v /var/run/docker.sock:/var/run/docker.sock` you should be unaffected since your containers run on the original host --------- Co-authored-by: Bálint Bartha <[email protected]> Co-authored-by: David Ankin <[email protected]>
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closes #475 One step closer to solve #517 Replaces #622 According to the [data collected](#475 (comment)) this should fix issues running testcontainers inside a container in almost all cases. There is still an issue when running it within docker desktop, that is probably easily solved which checking for the existence of `host.docker.internal`. But I have to recollect the data to ensure this, so this will be added at later point in time, as with with setting `-e TESTCONTAINERS_HOST_OVERRIDE=host.docker.internal` an easy workaround exists as well.
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Adds a feature flag to make DinD usable in a "backwards-compatible" way.
also fixes the ci/tests for it