# Puma can serve each request in a thread from an internal thread pool. # The `threads` method setting takes two numbers: a minimum and maximum. # 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 # and maximum; this matches the default thread size of Active Record. # max_threads_count = ENV.fetch('RAILS_MAX_THREADS', 5) min_threads_count = ENV.fetch('RAILS_MIN_THREADS') { max_threads_count } threads min_threads_count, max_threads_count # Specifies the `port` that Puma will listen on to receive requests; default is 3000. # port ENV.fetch('PORT', 3000) # Specifies the `environment` that Puma will run in. # environment ENV.fetch('RAILS_ENV') { 'development' } # Specifies the `pidfile` that Puma will use. pidfile ENV.fetch('PIDFILE') { 'tmp/pids/server.pid' } # Specifies the number of `workers` to boot in clustered mode. # Workers are forked web server 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', 0) # 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 # process behavior so workers use less memory. # preload_app! # Allow puma to be restarted by `rails restart` command. plugin :tmp_restart