discourse/config/database.yml

development:
  adapter: postgresql
  database: discourse_development
  min_messages: warning
  host: localhost
  pool: 5
  timeout: 5000
  host_names:
    ### Don't include the port number here. Change the "port" site setting instead, at /admin/site_settings.
    ### If you change this setting you will need to
    ###   - restart sidekiq if you change this setting
    ###   - rebake all to posts using: `RAILS_ENV=production bundle exec rake posts:rebake`
    - "localhost"

# Warning: The database defined as "test" will be erased and
# re-generated from your development database when you run "rake".
# Do not set this db to the same as development or production.
test:
  adapter: postgresql
  database: discourse_test
  min_messages: warning
  host: localhost
  pool: 5
  timeout: 5000
  host_names:
    - test.localhost

# profile db is used for benchamarking using the script/bench.rb script
profile:
  adapter: postgresql
  database: discourse_profile
  min_messages: warning
  host: localhost
  pool: 5
  timeout: 5000
  host_names:
    - "localhost"

production:
  pool: <%= ENV['POSTGRES_CONNECTION_POOL'] || 5 %>
  timeout: 5000
  adapter: postgresql
  uri: <%= uri = URI.parse(ENV['POSTGRES_URL']) %>
  socket: <%= ENV['POSTGRES_SOCKET'] %>
  host: <%= uri.host  %>
  port: <%= uri.port || 5432 %>
  database: <%= ENV['POSTGRES_DB'] || "discourse" %>
  username: <%= uri.user %>
  password: <%= uri.password %>
  host_names:
    - <%= ENV["DISCOURSE_HOSTNAME"] || raise("env var for DISCOURSE_HOSTNAME must be set") %> # Update this to be the domain of your production site