---
version: "3"
services:
  prometheus:
    image: prom/prometheus
    container_name: prometheus
    volumes:
      - /docker-containers/prometheus:/etc/prometheus
      - /docker-containers/prometheus/configs:/prometheus
    ports:
        - 9090:9090
    restart: unless-stopped
    stdin_open: true    # to attach to containers
    tty: true           # also used to attach to containers
#    network_mode: service:wireguard     # To run through vpn service container, in turn UI port must be forwarded inside vpn. No local access unless otherwise defined
    networks:           # Specify network for container
      - homelab
networks:    # I don't know why but you have to specify the network 2x. In service, and in this tag area..
  homelab:
    external: true      # This option causes compose to join the above network instead of making a _default one (supposedly)