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Configuration / Database Configuration

Note: You are currently reading the documentation for Bolt 4.0. Looking for the documentation for Bolt 3.7 instead?

Bolt supports three different database engines: SQLite, MySQL and PostgreSQL. Each has its benefits and drawbacks.

  • SQLite - is a (file-based) database. Bolt stores the entire database as a file in the var/database directory. Since it's a regular file, it's easy to make backups of your database if you use SQLite. The main benefit of SQLite is that it requires no configuration, and as such, it works 'out of the box' on practically any web server. This is why it's Bolt's default choice.
  • MySQL - is perhaps the most well-known database engine, which is supported on the majority of web servers. MySQL is very well-known, and there are good third-party tools for maintenance, backup and migration.
  • PostgreSQL - is a very well-designed database engine, but not as widely available as MySQL.

Not sure which database to use? We suggest using MySQL if available, and SQLite otherwise.

If you wish to edit the database configuration, you have to change the settings in the .env file or as environment variables. Apart from SQLite, you can use MySQL and PostgreSQL as database systems. Set the database, username and password as Doctrine DSN / Database URLs:

# SQLite (note: THREE slashes, if the path is absolute!)



Other settings can be changed in the config.yml file later on. Either directly from the Bolt backend, or by making edits in the file itself using your preferred editor.

After configuring the Database, run bin/console bolt:setup. This will create and initialise the Database for you, then lets you create the first user, and add some dummy content ("fixtures") to the database.

Alternatively, run the following commands in sequence to do it step by step:

bin/console doctrine:database:create
bin/console doctrine:schema:create
bin/console bolt:add-user
bin/console doctrine:fixtures:load

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