A PostgreSQL docker build that allows the creation of multiple databases in one container

This build uses a script to create additional databases and grants all privileges to the databases to the admin user.

This is built on top of the offical PostgreSQL image

docker-compose.yml

postgres:
    restart: always
    image: irobbierobinson/multi-db-postgres:latest
    volumes:
        - ./pg-db-data:/var/lib/postgresql/data
    environment:
        - POSTGRES_PASSWORD=postgres
        - POSTGRES_USER=postgres
        - POSTGRES_DB=postgres
        - POSTGRES_ADDITIONAL_DATABASES=db,keycloak
    ports:
        - 5432:5432
    networks:
        - backend

Environment Variables

• POSTGRES_PASSWORD - Admin Password (default: postgres)
• POSTGRES_USER - Admin Username (default: postgres)
• POSTGRES_DB - Default Postgresql DB Name (default: postgres)
• POSTGRES_ADDITIONAL_DATABASES - Additional databases that will be created alongside the default (separated by commas).