# Docker Compose file for MariaDB
#
# Usage:
#   docker compose up -d
#
# Environment variables (see .env.example for details):
#   MARIADB_ROOT_PASSWORD - Root password (default: mariadb)
#   MARIADB_DATABASE      - Database created on first start (default: mariadb)
#   MARIADB_USER          - Additional user created on first start (default: mariadb)
#   MARIADB_PASSWORD      - Password for the additional user (default: mariadb)

services:
  mariadb:
    # For available image tags, see https://hub.docker.com/_/mariadb
    image: mariadb:lts
    container_name: mariadb
    environment:
      # Root password.
      # Default value is for local development only — change for production.
      - MARIADB_ROOT_PASSWORD=${MARIADB_ROOT_PASSWORD:-mariadb}
      # Database created automatically on first start.
      - MARIADB_DATABASE=${MARIADB_DATABASE:-mariadb}
      # Additional user created automatically on first start.
      - MARIADB_USER=${MARIADB_USER:-mariadb}
      # Password for the additional user.
      # Default value is for local development only — change for production.
      - MARIADB_PASSWORD=${MARIADB_PASSWORD:-mariadb}
    ports:
      # Map host port 3306 to container port 3306 (MariaDB default).
      - "3306:3306"
    volumes:
      # Persist data beyond container lifetime.
      - mariadb_data:/var/lib/mysql

volumes:
  mariadb_data: