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Add background process configuration (#1172)

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I found that the configuration proposed doesn't fit very well when Puma is daemonized, that is a common situation when Capistrano is used for deployment. I added my configuration which seems to work pretty well together with the default capistrano3-puma gem settings.
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Maurizio De Santis 2016-12-12 17:53:28 +01:00 • committed by Nate Berkopec
parent bc76bca535
commit 13434ac998
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docs/systemd.md
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@ -168,3 +168,30 @@ Apr 07 08:40:19 hx puma[28320]: * Activated tcp://0.0.0.0:9233
Apr 07 08:40:19 hx puma[28320]: * Activated ssl://0.0.0.0:9234?key=key.pem&cert=cert.pem
Apr 07 08:40:19 hx puma[28320]: Use Ctrl-C to stop
~~~~
## Alternative background process configuration
If Capistrano and [capistrano3-puma](https://github.com/seuros/capistrano-puma) tasks are used you can use the following configuration. In this case, you would skip systemd Socket Activation, since Puma handles the socket by itself:
~~~~
[Service]
# Background process configuration (use with --daemon in ExecStart)
Type=forking
# To learn which exact command is to be used to execute at "ExecStart" of this
# Service, ask Capistrano: `cap <stage> puma:start --dry-run`. Your result
# may differ from this example, for example if you use a Ruby version
# manager. `<WD>` is short for "your working directory". Replace it with your
# path.
ExecStart=bundle exec puma -C <WD>/shared/puma.rb --daemon
# To learn which exact command is to be used to execute at "ExecStop" of this
# Service, ask Capistrano: `cap <stage> puma:stop --dry-run`. Your result
# may differ from this example, for example if you use a Ruby version
# manager. `<WD>` is short for "your working directory". Replace it with your
# path.
ExecStop=bundle exec pumactl -S <WD>/shared/tmp/pids/puma.state stop
# PIDFile setting is required in order to work properly
PIDFile=<WD>/shared/tmp/pids/puma.pid
~~~~