services:
    registry:
        image: registry:2
        instances:
            registry-1:
                env:
                    REGISTRY_HTTP_TLS_CERTIFICATE: /certs/certificate+intermediate.pem
                    REGISTRY_HTTP_TLS_KEY: /certs/key.pem
                lifecycle:
                    running:
                    -   port: service
                        type: tcp
                ports:
                    service: 5000
                ship: local
                volumes:
                    # /certs: /home/user/certs/letsencrypt
                    /var/lib/registry: /opt/registry

    registry-ui:
        image: konradkleine/docker-registry-frontend:v2
        instances:
            registry-ui-1:
                env:
                    ENV_DOCKER_REGISTRY_HOST: 192.168.1.100
                    ENV_DOCKER_REGISTRY_PORT: 5000
                lifecycle:
                    running:
                    -   port: service
                        type: tcp
                ports:
                    service: 80:5050
                ship: local