parsley/config/database.yml

# SQLite version 3.x
#   gem install sqlite3
#
#   Ensure the SQLite 3 gem is defined in your Gemfile
#   gem 'sqlite3'
#
default: &default
  adapter: sqlite3
  pool: 5
  timeout: 5000

development:
  <<: *default
  database: db/development.sqlite3

# 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:
  <<: *default
  database: db/test.sqlite3
  
docker:
  adapter: mysql2
  pool: 5
  timeout: 5000
  host: mysql
  username: parsley
  password: password
  database: parsley

production:
  adapter: pg
  pool: 5
  timeout: 5000
  host: <%= ENV['PARSLEY_DB_HOST'] || 'mysql' %>
  username: <%= ENV['PARSLEY_DB_USER'] || 'parsley_user' %>
  password: <%= ENV['PARSLEY_PG_PASSWORD'] || 'parsley_password' %>
  database: <%= ENV['PARSLEY_DB_NAME'] || 'parsley' %>