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@pcreux
Last active December 11, 2023 20:24
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Fast Rails + Heroku Configuration

Free addons!

heroku addons:add memcachier
heroku addons:add mandrill:starter
heroku addons:add newrelic
heroku addons:add pgbackups:auto-month
heroku addons:add papertrail
group :production do
gem 'unicorn'
# Enable gzip compression on heroku, but don't compress images.
gem 'heroku-deflater'
# Heroku injects it if it's not in there already
gem 'rails_12factor'
end
gem 'memcachier'
gem 'dalli'
# Fast IO for memcache
gem 'kgio'
# Serve static assets through Rack + Memcache
# https://devcenter.heroku.com/articles/rack-cache-memcached-rails31
gem 'rack-cache'
web: bundle exec unicorn -p $PORT -c ./config/unicorn.rb
# config/environments/production.rb
# ...
# Enable Rails's static asset server for Heroku
config.serve_static_assets = true
# Set static assets cache header. rack-cache will cache those.
config.static_cache_control = "public, max-age=31536000"
config.cache_store = :dalli_store
client = Dalli::Client.new(ENV["MEMCACHIER_SERVERS"],
:value_max_bytes => 10485760,
:expires_in => 86400) # 1 day
# Configure rack-cache for using memcachier
config.action_dispatch.rack_cache = {
:metastore => client,
:entitystore => client
}
# Send emails via mandrill
ActionMailer::Base.delivery_method = :smtp
config.action_mailer.smtp_settings = {
:address => 'smtp.mandrillapp.com',
:port => '587',
:authentication => :plain,
:user_name => ENV['MANDRILL_USERNAME'],
:password => ENV['MANDRILL_APIKEY'],
:domain => 'heroku.com',
}
# ...
# config/unicorn.rb
worker_processes 3
timeout 30
preload_app true
before_fork do |server, worker|
# Replace with MongoDB or whatever
if defined?(ActiveRecord::Base)
ActiveRecord::Base.connection.disconnect!
Rails.logger.info('Disconnected from ActiveRecord')
end
# If you are using Redis but not Resque, change this
if defined?(Resque)
Resque.redis.quit
Rails.logger.info('Disconnected from Redis')
end
sleep 1
end
after_fork do |server, worker|
# Replace with MongoDB or whatever
if defined?(ActiveRecord::Base)
ActiveRecord::Base.establish_connection
Rails.logger.info('Connected to ActiveRecord')
end
# If you are using Redis but not Resque, change this
if defined?(Resque)
Resque.redis = ENV['REDIS_URI']
Rails.logger.info('Connected to Redis')
end
end
@jesuslerma
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do u need to have workers?

@chuckbergeron
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The command is now heroku addons:create instead of heroku addons:add

Also, heroku addons:add pgbackups:auto-month doesn't exist. The only postgres backup system I see now is heroku addons:create autobus

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