Thank you for your reply.

I added questions/remarks bellow.


Yuri Khan <yuri.v.khan@gmail.com> writes:
> 1. I have a Dockerfile or several that describes the build
> environment. If necessary, a different one that describes the
> runtime/debugging environment.
>
> 2. I have a docker-compose.yml which utilizes the image(s) built from
> Dockerfile(s) of step 1, and mounts the source tree, the build
> directory, etc into service containers. The compose file also arranges
> for the services to run as my user ID so that I don’t get root-owned
> files in my build tree.
>
> The purpose of the compose file is to remember all the docker run
> options for me so that I don’t have to specify them every time. I
> could alternatively use shell scripts.
>
> 3. I also have a Makefile that encapsulates the build logic. In some
> targets, it arranges for itself to execute in a service container
> (with a different target). The purpose of the Makefile is that I could
> run it either from Emacs or from local shell if I so desire.
>
> 4. .dir-locals.el to tell Emacs to use ‘docker-compose run --rm
> runtime gdb’ as my debugger and ‘docker-compose run --rm builder
> clangd’ as my language server, and ‘make build test’ as my compile
> command.

Seems a good way to do it.

I haven't think about the language server.
How do you configure the container ?


> Where practical, I prefer to mount my volumes at the same paths in the
> container as locally, this simplifies the mapping a lot. But in some
> cases I hook ‘compilation-filter’ to a function that replaces
> prefixes.

I'm very curious about your compilation filter. Can you share it ?



Best regards

-------
Gendre Sébastien