Rails server is still running in a new opened docker container

Question

I want to deploy my rails project using Docker. So I use Docker-Compose. But I get one weird error message. When run docker-compose up(this contains db-container with postgresql

Answer 1

If your solution is using rm to delete the pid file on an entry point, I think a better solution is to tell rails to write the pid file to an ephemeral path, like:

web:
   command: bundle exec rails server -b '0.0.0.0' -p 3000 -P /tmp/rails.pid