Watchtower Docker Compose

docker-compose.yaml

---
version: '3'

services:
  WatchTower:
    image: containrrr/watchtower
    container_name: WatchTower
    restart: unless-stopped
    environment:
        # This is the email that it will send from
      - WATCHTOWER_NOTIFICATION_EMAIL_FROM=example@gmail.com
        # This is the email server. You will need to google for your email settings.
        # If you are using gmail leave this alone.
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER=smtp.gmail.com
        # This is the password for the email you are sending from.
        # If using google generate a App Password if you have 2FA enabled.
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PASSWORD=TOPSECRETPASSWORD
        # This is the port that will be used when sending emails. 
        # If using gmail leave this alone
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PORT=587
        # This is the username for signing into the email.
        # If using gmail make this the same as the from email.
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER_USER=example@gmail.com
        # This is the email you want to send to.
      - WATCHTOWER_NOTIFICATION_EMAIL_TO=youremail@gmail.com
      - WATCHTOWER_NOTIFICATIONS=email
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:rw