chore: support for deciding when to auto-export the image ports in case no exposed ports are passed #3159
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It's covered by a tc property, so it's not a breaking change
mdelapenya
added
the
feature
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…ners#3161) * feat: add a new functional option to append wait strategies to modules * chore: update modules * docs: make it mkore clear
* main: feat(couchbase): adding auth to couchbase initCluster functions to support container reuse (testcontainers#3048) chore(deps): bump github.com/containerd/containerd/v2 (testcontainers#3167) docs(options): refactor options layout in modules (testcontainers#3163) fix(ci): do not run sonar for Testcontainers Cloud (testcontainers#3166) chore(ci): do not fail fast in the Testcontainers Cloud run (testcontainers#3164) feat: support adding wait strategies as functional option (testcontainers#3161)
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What does this PR do?
This PR adds support for enabling/disabling auto-exposing the port from the container image (default is true: ports are automatically exposed).
This new setting can be configured at the properties level (using the
tc.auto.expose.portsproperty) or with an env var (TESTCONTAINERS_AUTO_EXPOSE_PORTS).When set to true, which is the default, the exposed ports in the image are automatically exposed to the container. When set to false, they are not.
This behavior was present in tc-java in the past (basically
-Pflag, publish all exposed ports), but we removed it, because it created bugs on Windows with running out of ports in a specific range over time. Given that bug is still open in Docker for Windows, we decided to not publish all ports, or at least let users configure it.On the other hand, we are simplifying the auto-exposure of all the ports: instead of inspecting the image and merging the ports with the user request, we set the
PublishAllPortsoption to true in the hostConfig modifier.Why is it important?
Simplify code, and also reduce the chances to get the bug described in docker/for-win#11584
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