```ruby
root_dir = "/home/deploy/apps/copycopter-server/current"
working_directory root_dir

pid "#{root_dir}/tmp/pids/unicorn.pid"

stderr_path "#{root_dir}/log/unicorn.log"
stdout_path "#{root_dir}/log/unicorn.log"

worker_processes Integer(ENV["WEB_CONCURRENCY"])
timeout 30
preload_app true

listen "/tmp/unicorn.copycopter-server.sock", backlog: 64

before_fork do |server, worker|
  Signal.trap "TERM" do
    puts "Unicorn master intercepting TERM and sending myself QUIT instead"
    Process.kill "QUIT", Process.pid
  end

  defined?(ActiveRecord::Base) and
    ActiveRecord::Base.connection.disconnect!
end

after_fork do |server, worker|
  Signal.trap "TERM" do
    puts "Unicorn worker intercepting TERM and doing nothing. Wait for master to send QUIT"
  end

  defined?(ActiveRecord::Base) and
    ActiveRecord::Base.establish_connection
end

# Force the bundler gemfile environment variable to
# reference the capistrano "current" symlink
before_exec do |_|
  ENV["BUNDLE_GEMFILE"] = File.join(root_dir, "Gemfile")
end
```

Add default value for unicorn web concurrency
user
```ruby
root_dir = "/home/deploy/apps/copycopter-server/current"
working_directory root_dir

pid "#{root_dir}/tmp/pids/unicorn.pid"

stderr_path "#{root_dir}/log/unicorn.log"
stdout_path "#{root_dir}/log/unicorn.log"

worker_processes Integer(ENV["WEB_CONCURRENCY"] || 3)
timeout 30
preload_app true

listen "/tmp/unicorn.copycopter-server.sock", backlog: 64

before_fork do |server, worker|
  Signal.trap "TERM" do
    puts "Unicorn master intercepting TERM and sending myself QUIT instead"
    Process.kill "QUIT", Process.pid
  end

  defined?(ActiveRecord::Base) and
    ActiveRecord::Base.connection.disconnect!
end

after_fork do |server, worker|
  Signal.trap "TERM" do
    puts "Unicorn worker intercepting TERM and doing nothing. Wait for master to send QUIT"
  end

  defined?(ActiveRecord::Base) and
    ActiveRecord::Base.establish_connection
end

# Force the bundler gemfile environment variable to
# reference the capistrano "current" symlink
before_exec do |_|
  ENV["BUNDLE_GEMFILE"] = File.join(root_dir, "Gemfile")
end
```
assistant