grafana:
    image: grafana/grafana:4.2.0
    ports:
        - ${http_port}:3000
    environment:
        GF_SECURITY_ADMIN_USER: ${admin_username}
        GF_SECURITY_ADMIN_PASSWORD: ${admin_password}
        GF_SECURITY_SECRET_KEY: ${secret_key}
        GF_INSTALL_PLUGINS: ${install_plugins}