Just wanted to share my experience: I was suffering with my elixir vscode devcontainer (docker) environment, because tests took ~20 seconds to start running. I tried delegating the workspace: - ..:/workspace:delegated This makes the shared folder (between the container and the host) to write fir…

Oh, I discovered that It was easier than what Marcus sugested the env variables MIX_BUILD_ROOT and MIX_DEPS_PATH overrides build_path and deps_path, so you just have to add environment: MIX_BUILD_ROOT: /opt/elixir-artifacts/_build MIX_DEPS_PATH: /opt/elixir-artifacts/deps volumes: - el…

That’s cool. Thanks for sharing

Another benefit besides speed from moving your build deps out of your volume mount path is that you will no longer have a bunch of dependencies volume mounted back to your dev box, so things stay tidy. It’s also a discussion point in my upcoming DockerCon talk because this concept applies to other …

Did you try .dockerignore file where you can put folders to ignore and Docker will not use them for loading? [image] Dockerfile reference Find all the available commands you can use in a Dockerfile and learn how to use them, including COPY, ARG, ENTRYPOINT, and more. …

[image] matreyes: I was suffering with my elixir vscode devcontainer (docker) environment, because tests took ~20 seconds to start running. Are you on a MAC?

If you’re on Windows, compiling was slow using bind mounts with Dev Container. I copied my workspace to a named volume and it run as fast as it does on the host.

Elixir Programming Language Forum

Elixir slow in devcontainer (vscode and docker)

Questions & Help Questions

matreyes May 19, 2021, 2:47am 6

Yes! Docker on Mac doesn’t shine.