docker-compose

version: "3.7"
services:
  squid:
    image: my-squid
#    command: apt-get update && apt-get install -y python
    environment:
      - TZ=Europe/London
      - PROXY_UID=13
      - PROXY_GID=13
    ports:
      - "3128:3128"
      - "3129:3129"
    volumes:
      - type: volume
        source: config
        target: /etc/squid
        volume:
          nocopy: true
      - type: volume
        source: log
        target: /var/log/squid
        volume:
          nocopy: true
      - type: volume
        source: cache
        target: /var/spool/squid
        volume:
          nocopy: true
    deploy:
      mode: replicated
      replicas: 1
      placement:
        constraints: 
          - "node.labels.platform==rock64"
        preferences:
          - spread: node.labels.location
volumes:
  config:
    driver: local
    driver_opts:
      type: nfs
      o: addr=192.168.1.33,rw,sync,nfsvers=4,soft,nolock
      device: :/AppData/SQUID/config/
  log:
    driver: local
    driver_opts:
      type: nfs
      o: addr=192.168.1.33,rw,sync,nfsvers=4,soft,nolock
      device: :/AppData/SQUID/logs/
  cache:
    driver: local
    driver_opts:
      type: nfs
      o: addr=192.168.1.33,rw,sync,nfsvers=4,soft,nolock
      device: :/AppData/SQUID/spool/