Can't install wallabag via composer install if my mysql database doesn't exist

[nicosomb]

Issue details

When I launch SYMFONY_ENV=prod composer install --no-dev -o, if my mysql database doesn't exist before this command, I can't install wallabag:

An exception occured in driver: SQLSTATE[42000] [1049] Unknown database 'wallabag' 

Found with @chris25640

Environment

• wallabag version (or git revision) that exhibits the issue: 2.0.0-beta.1
• How did you install wallabag? Via composer install
• Last wallabag version that did not exhibit the issue (if applicable): N/A
• which storage system you choose at install (SQLite, MySQL/MariaDB or PostgreSQL): MySQL

Steps to reproduce/test case

• git clone https://github.com/wallabag/wallabag.git
• cd wallabag
• git checkout 2.0.0-beta.1
• SYMFONY_ENV=prod composer install --no-dev -o
• Set pdo_mysql for database_driver parameter
• Set a name of an inexistent database for database_name

[nicosomb]

See http://stackoverflow.com/questions/27503328/composer-install-fails-when-unable-to-see-mysql-database and doctrine/DoctrineBundle#351 (comment)

[captainwasabi]

I added the line in apt/config/config.yml and I still get the same error when trying to set up beta 2

Workaround: create wallabug database in mysql

[nicosomb]

Fixed by #1903.