The generated password will be emitted to the standard output stream on first run. This replaces the MYSQL_ROOT_PASSWORD variable.

MYSQL_RANDOM_ROOT_PASSWORD – Set this variable to have MySQL automatically generate a new password for the root user.

If you also set the MYSQL_DATABASE variable, your new user account will automatically be granted all privileges on the newly created database.

MYSQL_USER and MYSQL_PASSWORD – Create a new initial user account, separately to the root user.

MYSQL_DATABASE – The name of a database schema to create when the server initializes for the first time.

Set these variables to automatically provision a new empty database and user account: The MySQL Docker images support optional environment variables that let you manage the first-run database setup. This command opens a shell as the root user and prompts for a password.Īutomatically Creating A Database and User This provides the full MySQL command-line interface, so you can use all the familiar commands and flags. You can gain an interactive MySQL shell by attaching to the container and running the mysql command. RELATED: How to Install Docker and Docker Compose on Linux Connecting to MySQL You can start MySQL using MYSQL_ROOT_PASSWORD=secure docker-compose up -d. Writing a docker-compose.yml file is more maintainable. The docker run command can quickly become lengthy, especially if you have complex configuration requirements. RELATED: How to Use Docker to Containerize PHP and Apache Docker Compose

Check for a line that contains ready for connections. You can check if the database is up by running docker logs my-mysql. The MySQL first-run routine will take a few seconds to complete. Here’s how to run MySQL while satisfying these prerequisites: docker run -name my-mysql -e MYSQL_ROOT_PASSWORD=secret -v $HOME/mysql-data:/var/lib/mysql -d mysql:8.0

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