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database:
        build: "../weblab_database"
        environment:
            - POSTGRES_DB=${DATABASE_NAME:-}
            - POSTGRES_USER=${DATABASE_USER:-}
            - POSTGRES_PASSWORD=${DATABASE_PASSWORD:-}
            - POSTGRES_PORT=${DATABASE_PORT:-5432}
        volumes:
            - postgres_data:/var/lib/postgresql/data
        expose:
            - ${DATABASE_PORT:-5432}
        ports:
            - ${DATABASE_PORT:-5432}:${DATABASE_PORT:-5432}
        command: -p ${DATABASE_PORT:-5432}