# http://devdocs.magento.com/guides/v2.0/install-gde/install/cli/install-cli-install.html#instgde-install-cli-magento
php ${DIR_MAGE}/bin/magento setup:install
--admin-firstname="${ADMIN_FIRSTNAME}"
--admin-lastname="${ADMIN_LASTNAME}"
--admin-email="${ADMIN_EMAIL}"
--admin-user="${ADMIN_USER}"
--admin-password="${ADMIN_PASSWORD}"
--base-url="${BASE_URL}"
--backend-frontname="${BACKEND_FRONTNAME}"
--language="${LANGUAGE}"
--currency="${CURRENCY}"
--timezone="${TIMEZONE}"
--use-rewrites="${USE_REWRITES}"
--use-secure="${USE_SECURE}"
--use-secure-admin="${USE_SECURE_ADMIN}"
--admin-use-security-key="${ADMI_USE_SECURITY_KEY}"
--session-save="${SESSION_SAVE}"
--cleanup-database
--db-host="${DB_HOST}"
--db-name="${DB_NAME}"
--db-user="${DB_USER}"
--db-password="${MAGE_DBPASS}"

php ${DIR_MAGE}/bin/magento setup:config:set
--backend-frontname="${BACKEND_FRONTNAME}"
--key="${SECURE_KEY}"
--session-save="${SESSION_SAVE}"
--db-host="${DB_HOST}"
--db-name="${DB_NAME}"
--db-user="${DB_USER}"
--db-password="${MAGE_DBPASS}"

We saved default values for these options: db-host, db-engine, db-prefix, db-model, db-init-statements.

'db' =>
  array (
    'table_prefix' => '${DB_PREFIX}',
    'connection' =>
    array (
      'default' =>
      array (
        'host' => '${DB_HOST}',
        'dbname' => '${DB_NAME}',
        'username' => '${DB_USER}',
        'password' => '${MAGE_DBPASS}',
        'active' => '1',
      ),
    ),
  ),

...
'install' => array (
     'date' => 'Mon, 28 Nov 2016 23:01:06 +0000',
 ),
 ...