I'm trying to run dokku on DigitalOcean with a sample rails app, but when I deploy, I get this error:
Puma starting in single mode...
* Version 3.12.1 (ruby 2.6.3-p62), codename: Llamas in Pajamas
* Min threads: 5, max threads: 5
* Environment: production
* Listening on tcp://0.0.0.0:5000
bundler: failed to load command: rackup (/app/vendor/bundle/ruby/2.6.0/bin/rackup)
Errno::ENOENT: No such file or directory @ rb_sysopen - tmp/pids/server.pid
/app/vendor/bundle/ruby/2.6.0/gems/puma-3.12.1/lib/puma/launcher.rb:133:in `initialize'
/app/vendor/bundle/ruby/2.6.0/gems/puma-3.12.1/lib/puma/launcher.rb:133:in `open'
/app/vendor/bundle/ruby/2.6.0/gems/puma-3.12.1/lib/puma/launcher.rb:133:in `write_pid'
/app/vendor/bundle/ruby/2.6.0/gems/puma-3.12.1/lib/puma/launcher.rb:106:in `write_state'
/app/vendor/bundle/ruby/2.6.0/gems/puma-3.12.1/lib/puma/single.rb:103:in `run'
/app/vendor/bundle/ruby/2.6.0/gems/puma-3.12.1/lib/puma/launcher.rb:186:in `run'
/app/vendor/bundle/ruby/2.6.0/gems/puma-3.12.1/lib/rack/handler/puma.rb:73:in `run'
/app/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/server.rb:297:in `start'
/app/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/server.rb:148:in `start'
/app/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/bin/rackup:4:in `<top (required)>'
/app/vendor/bundle/ruby/2.6.0/bin/rackup:23:in `load'
/app/vendor/bundle/ruby/2.6.0/bin/rackup:23:in `<top (required)>'
I've looked through other support sites for a similar error - but it looks like the web app container starts then immediately stops.
I can see my database container running, and I see a container with dokkku/myapp:latest
- and it's never up for more than a few seconds.
Anyone have an idea why?