Skip to content

Instantly share code, notes, and snippets.

@8vius
Created December 1, 2014 19:27
Show Gist options
  • Save 8vius/6f724ccd940704568a86 to your computer and use it in GitHub Desktop.
Save 8vius/6f724ccd940704568a86 to your computer and use it in GitHub Desktop.
env = ENV["RAILS_ENV"] || "development"
app_dir = "yummmie"
worker_processes 4
# listen on both a Unix domain socket and a TCP port,
# we use a shorter backlog for quicker failover when busy
listen "/tmp/unicorn.#{app_dir}.socket", :backlog => 64
# Preload our app for more speed
preload_app true
# nuke workers after 30 seconds instead of 60 seconds (the default)
timeout 60
# Help ensure your application will always spawn in the symlinked
# "current" directory that Capistrano sets up.
working_directory "/home/deploy/apps/#{app_dir}/current"
# feel free to point this anywhere accessible on the filesystem
user 'deploy', 'deploy'
shared_path = "/home/deploy/apps/#{app_dir}/shared"
stderr_path "#{shared_path}/log/unicorn.stderr.log"
stdout_path "#{shared_path}/log/unicorn.stdout.log"
pid "#{shared_path}/tmp/pids/unicorn.pid"
before_fork do |server, worker|
# the following is highly recomended for Rails + "preload_app true"
# as there's no need for the master process to hold a connection
if defined?(ActiveRecord::Base)
ActiveRecord::Base.connection.disconnect!
end
# Before forking, kill the master process that belongs to the .oldbin PID.
# This enables 0 downtime deploys.
old_pid = "#{shared_path}/tmp/pids/unicorn.pid.oldbin"
if File.exists?(old_pid) && server.pid != old_pid
begin
Process.kill("USR2", File.read(old_pid).to_i)
rescue Errno::ENOENT, Errno::ESRCH
# someone else did our job for us
end
end
end
after_fork do |server, worker|
# the following is *required* for Rails + "preload_app true",
if defined?(ActiveRecord::Base)
ActiveRecord::Base.establish_connection
end
end
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment