Docker compose: add configuration setting for selecting running services to bind

[dsyer]

I have a docker-compose.yml that starts multiple services but I only want to bind to one (or some) of them. It is possible to do that currently by re-arranging the compose file into "profiles" and setting spring.docker.compose.profiles.active. But I might not be able to do that for an arbitrary set of services (and I might not want or be able to edit the compose file either), so it would be nice to be able to simply list (or pattern match) the services to bind to.

[wilkinsona]

You can ignore services by labelling them with org.springframework.boot.ignore. That will require editing your docker-compose.yml file. Why might you not be able to do that?

[dsyer]

I didn’t know about that, and it might be useful, but not in general. Imagine I want to switch between 2 services for independent tests, for example - it would be awkward to have to edit the compose config in between test invocations.

[wilkinsona]

The docker compose support isn't aimed at tests. It's intended for use when running the whole app during development as a replacement for manually running docker compose up and then configuring properties to connect to the resulting service.

I'm not opposed to adding something but I don't think there's a compelling use case yet.

[spring-projects-issues]

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[dsyer]

I don't know why the use case I mentioned isn't enough to at least keep the issue open.