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fab-manager/config/puma.rb

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# frozen_string_literal: true
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# Puma can serve each request in a thread from an internal thread pool.
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# The `threads` method setting takes two numbers: a minimum and maximum.
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# Any libraries that use thread pools should be configured to match
# the maximum value specified for Puma. Default is set to 5 threads for minimum
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# and maximum; this matches the default thread size of Active Record.
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#
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threads_count = ENV.fetch('RAILS_MAX_THREADS') { 5 }
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threads threads_count, threads_count
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# Specifies the `port` that Puma will listen on to receive requests; default is 3000.
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#
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port ENV.fetch('PORT') { 5000 }
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# Specifies the `environment` that Puma will run in.
#
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environment ENV.fetch('RAILS_ENV') { 'development' }
# Specifies the `pidfile` that Puma will use.
#
pidfile ENV.fetch('PIDFILE') { 'tmp/pids/server.pid' }
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# Specifies the number of `workers` to boot in clustered mode.
# Workers are forked webserver processes. If using threads and workers together
# the concurrency of the application would be max `threads` * `workers`.
# Workers do not work on JRuby or Windows (both of which do not support
# processes).
#
# workers ENV.fetch("WEB_CONCURRENCY") { 2 }
# Use the `preload_app!` method when specifying a `workers` number.
# This directive tells Puma to first boot the application and load code
# 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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#
# preload_app!
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# If you are preloading your application and using Active Record, it's
# recommended that you close any connections to the database before workers
# are forked to prevent connection leakage.
#
# before_fork do
# ActiveRecord::Base.connection_pool.disconnect! if defined?(ActiveRecord)
# end
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# The code in the `on_worker_boot` will be called if you are using
# clustered mode by specifying a number of `workers`. After each worker
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# process is booted, this block will be run. If you are using the `preload_app!`
# option, you will want to use this block to reconnect to any threads
# or connections that may have been created at application boot, as Ruby
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# cannot share connections between processes.
#
# on_worker_boot do
# ActiveRecord::Base.establish_connection if defined?(ActiveRecord)
# end
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#
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# Allow puma to be restarted by `rails restart` command.
plugin :tmp_restart