Share this container network with the other containers with surfshark VPN

docker-compose.yml

version: "3"
services:
  gluetun:
    image: qmcgaw/gluetun
    # share this container network with the other containers
    network_mode: service:gluetun # other container ->>>>> network_mode: "container:gluetun"
    # container_name: gluetun
    # line above must be uncommented to allow external containers to connect. See https://github.com/qdm12/gluetun/wiki/Connect-a-container-to-gluetun#external-container-to-gluetun
    cap_add:
      - NET_ADMIN
    devices:
      - /dev/net/tun:/dev/net/tun
    ports:
      - 8888:8888/tcp # HTTP proxy
      - 8388:8388/tcp # Shadowsocks
      - 8388:8388/udp # Shadowsocks
    volumes:
      - /yourPath:/gluetun # Change "yourPath" to your docker-compose.yml folder path
    environment:
      # See https://github.com/qdm12/gluetun/wiki
      - VPN_SERVICE_PROVIDER=surfshark
      - VPN_TYPE=wireguard
      # https://my.surfshark.com/vpn/manual-setup/main/wireguard
      # Wireguard:
      - WIREGUARD_PRIVATE_KEY= # your WIREGUARD_PRIVATE_KEY
      - WIREGUARD_ADDRESSES= # your WIREGUARD_ADDRESSES
      # Timezone for accurate log times in the Netherland
      - TZ=Europe/Amsterdam