After docker-compose up,
A server is already running. Check /[WORKDIR]/tmp/pids/server.pid.
　Exiting
Sometimes the server did not start.
The cause is that if you forcibly delete the container while the service is running, the pid file will remain.
As instructed
tmp/pids/server.pid.
If you go to see, the numbers are written here. Delete the server.pid. file and docker-compose up to solve it.