ee1c3c9418
Update the config for the Puma webserver (used by `bin/rails server`). * Update default settings. * Prefix all Puma environment variables with `PUMA_`. * Enable the Puma control app (`bin/pumactl`).
100 lines
3.7 KiB
Ruby
100 lines
3.7 KiB
Ruby
# This file contains configuration settings for the Puma web server. These
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# settings apply when running Danbooru with `bin/rails server`.
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#
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# The following environment variables are used:
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#
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# * RAILS_ENV
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# * PUMA_PORT
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# * PUMA_BIND
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# * PUMA_WORKERS
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# * PUMA_MIN_THREADS
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# * PUMA_MAX_THREADS
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# * PUMA_WORKER_TIMEOUT
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# * PUMA_PIDFILE
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# * PUMA_CONTROL_URL
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#
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# Use `bin/pumactl` to control a running Puma instance.
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#
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# @see https://puma.io
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# @see https://github.com/puma/puma
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# @see https://github.com/puma/puma/blob/319f84db13ee59f7b24885cec686d5c714998a4c/lib/puma/configuration.rb#L188 (default options)
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# @see https://devcenter.heroku.com/articles/deploying-rails-applications-with-the-puma-web-server
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# The server port or listening address. Default is http://0.0.0.0:3000.
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if ENV.has_key?("PUMA_PORT")
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port ENV["PUMA_PORT"]
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elsif ENV.has_key?("PUMA_BIND")
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bind ENV["PUMA_BIND"]
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else
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# low_latency=true means TCP_NODELAY
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# backlog=1024 means socket listen backlog
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# https://github.com/puma/puma/blob/319f84db13ee59f7b24885cec686d5c714998a4c/lib/puma/dsl.rb#L193
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bind "tcp://0.0.0.0:3000?low_latency=true&backlog=1024"
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end
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# The number of `workers` to boot in clustered mode. Workers are forked web
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# server processes. If using threads and workers together, the concurrency of
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# the application would be max `threads` * `workers`. Workers do not work on
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# JRuby or Windows (both of which do not support processes). The Postgres
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# connection limit may need to be raised for high `thread` * `worker` counts.
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if ENV.has_key?("PUMA_WORKERS")
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workers ENV["PUMA_WORKERS"]
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elsif ENV["RAILS_ENV"] == "production"
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workers ENV.fetch("PUMA_WORKERS", Etc.nprocessors)
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else
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# Use single worker mode in development for easier debugging
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workers 0
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end
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# The number of threads per worker to use. The `threads` method
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# setting takes two numbers: a minimum and maximum. Any libraries that use
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# thread pools should be configured to match the maximum value specified for
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# Puma.
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max_threads_count = ENV.fetch("PUMA_MAX_THREADS", 5)
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min_threads_count = ENV.fetch("PUMA_MIN_THREADS", 1)
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threads min_threads_count, max_threads_count
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# Verifies that all workers have checked in to the master process within
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# the given timeout. If not the worker process will be restarted. This is
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# not a request timeout, it is to protect against a hung or dead process.
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# Setting this value will not protect against slow requests.
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worker_timeout ENV.fetch("PUMA_WORKER_TIMEOUT", 60)
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# The number of seconds to wait for another request within a persistent (keep
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# alive) session.
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persistent_timeout 20
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# The number of seconds to wait until we get the first data for the request
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first_data_timeout 30
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# The `environment` that Puma will run in.
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environment ENV.fetch("RAILS_ENV", "development")
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# The `pidfile` that Puma will use.
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pidfile ENV.fetch("PUMA_PIDFILE", "tmp/pids/server.pid")
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# Use the `preload_app!` method when specifying a `workers` number.
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# This directive tells Puma to first boot the application and load code
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# before forking the application. This takes advantage of Copy On Write
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# process behavior so workers use less memory.
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if ENV["RAILS_ENV"] == "production"
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preload_app!
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end
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# Allow puma to be restarted by `rails restart` command.
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plugin :tmp_restart
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# Start the Puma control rack application on +url+. This application can
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# be communicated with to control the main server. Additionally, you can
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# provide an authentication token, so all requests to the control server
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# will need to include that token as a query parameter. This allows for
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# simple authentication.
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#
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# Usage:
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#
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# * bin/pumactl stats
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# * bin/pumactl -C tcp://localhost:9293 stats
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#
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# https://github.com/puma/puma#controlstatus-server
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activate_control_app ENV.fetch("PUMA_CONTROL_URL", "tcp://localhost:9293"), no_token: true
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