$ unicorn_rails -h
Usage: unicorn_rails [ruby options] [unicorn_rails options] [rackup config file]
Ruby options:
-e, --eval LINE evaluate a LINE of code
-d, --debug set debugging flags (set $DEBUG to true)
-w, --warn turn warnings on for your script
-I, --include PATH specify $LOAD_PATH (may be used more than once)
-r, --require LIBRARY require the library, before executing your script
unicorn_rails options:
-o, --host HOST listen on HOST (default: 0.0.0.0)
-p, --port PORT use PORT (default: 8080)
-E, --env RAILS_ENV use RAILS_ENV for defaults (default: development)
-D, --daemonize run daemonized in the background
-l {HOST:PORT|PATH}, listen on HOST:PORT or PATH
--listen this may be specified multiple times
(default: 0.0.0.0:8080)
-c, --config-file FILE Unicorn-specific config file
--path PATH Runs Rails app mounted at a specific path.
(default: /)
Common options:
-h, --help Show this message
-v, --version Show version
$ unicorn -h
Usage: unicorn [ruby options] [unicorn options] [rackup config file]
Ruby options:
-e, --eval LINE evaluate a LINE of code
-d, --debug set debugging flags (set $DEBUG to true)
-w, --warn turn warnings on for your script
-I, --include PATH specify $LOAD_PATH (may be used more than once)
-r, --require LIBRARY require the library, before executing your script
unicorn options:
-o, --host HOST listen on HOST (default: 0.0.0.0)
-p, --port PORT use PORT (default: 8080)
-E, --env RACK_ENV use RACK_ENV for defaults (default: development)
-N do not load middleware implied by RACK_ENV
--no-default-middleware
-D, --daemonize run daemonized in the background
-s, --server SERVER this flag only exists for compatibility
-l {HOST:PORT|PATH}, listen on HOST:PORT or PATH
--listen this may be specified multiple times
(default: 0.0.0.0:8080)
-c, --config-file FILE Unicorn-specific config file
Common options:
-h, --help Show this message
-v, --version Show version
config/unicorn.conf.rb
# See http://unicorn.bogomips.org/Unicorn/Configurator.html for complete
# documentation.
-rails_env = ENV['RAILS_ENV'] || 'staging'
+rails_env = ENV['RAILS_ENV'] || ENV['RACK_ENV'] || 'staging'
Add a comment to this line
# Use at least one worker per core if you're on a dedicated server,
# more will usually help for _short_ waits on databases/caches.
-worker_processes rails_env == "production" ? 4 : 1
+worker_processes (rails_env == "production" ? 4 : 1)
# Since Unicorn is never exposed to outside clients, it does not need to
# run on the standard HTTP port (80), there is no reason to start Unicorn
