Se produjo un error al configurar la base de datos mysql en producción

Se produjo un error al configurar la base de datos mysql en producción

Estoy intentando ejecutar el comando

rake db:setup RAILS_ENV="production"

Pero me da el siguiente error:

DEPRECATION WARNING: Passing a string to ActiveRecord::Base.establish_connection for a configuration lookup is deprecated, please pass a symbol (:mysql) instead. (called from call at /home/huzefa/.rvm/rubies/ruby-2.2.3/lib/ruby/2.2.0/rake/task.rb:240)
rake aborted!
ActiveRecord::AdapterNotSpecified: 'mysql' database is not configured. Available: ["default", "development", "test", "production", "adapter", "encoding", "reconnect", "database", "pool", "username", "password", "host"]
/home/huzefa/.rvm/gems/ruby-2.2.3/gems/activerecord-4.2.4/lib/active_record/connection_adapters/connection_specification.rb:248:in `resolve_symbol_connection'
/home/huzefa/.rvm/gems/ruby-2.2.3/gems/activerecord-4.2.4/lib/active_record/connection_adapters/connection_specification.rb:231:in `resolve_string_connection'
/home/huzefa/.rvm/gems/ruby-2.2.3/gems/activerecord-4.2.4/lib/active_record/connection_adapters/connection_specification.rb:213:in `resolve_connection'
/home/huzefa/.rvm/gems/ruby-2.2.3/gems/activerecord-4.2.4/lib/active_record/connection_adapters/connection_specification.rb:139:in `resolve'
/home/huzefa/.rvm/gems/ruby-2.2.3/gems/activerecord-4.2.4/lib/active_record/connection_adapters/connection_specification.rb:151:in `block in resolve_all'
/home/huzefa/.rvm/gems/ruby-2.2.3/gems/activerecord-4.2.4/lib/active_record/connection_adapters/connection_specification.rb:150:in `each'
/home/huzefa/.rvm/gems/ruby-2.2.3/gems/activerecord-4.2.4/lib/active_record/connection_adapters/connection_specification.rb:150:in `resolve_all'
/home/huzefa/.rvm/gems/ruby-2.2.3/gems/activerecord-4.2.4/lib/active_record/connection_handling.rb:69:in `resolve'
/home/huzefa/.rvm/gems/ruby-2.2.3/gems/activerecord-4.2.4/lib/active_record/core.rb:46:in `configurations='
/home/huzefa/.rvm/gems/ruby-2.2.3/gems/activerecord-4.2.4/lib/active_record/railties/databases.rake:5:in `block (2 levels) in <top (required)>'
Tasks: TOP => db:setup => db:schema:load_if_ruby => db:create => db:load_config

Mi database.ymlarchivo es el siguiente:

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

production:
adapter: mysql
encoding: utf8
reconnect: false
database: depot_production
pool: 5
username: huzefa
password: huzefa
host: localhost

¿Qué falta aquí que no me permite configurar la base de datos MySQL en producción aquí? . Por favor, si alguien pudiera ayudarme, sería muy necesario. Gracias :)

Respuesta1

Resuelto porque había errores de sangría en database.ymlel archivo.

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