Watchtower

Install

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#Docker Compose for Watchtower
version: "3"
services:
 watchtower:
 image: containrrr/watchtower
 volumes:
 - /var/run/docker.sock:/var/run/docker.sock
 - /etc/timezone:/etc/timezone:ro
 environment:
 # Clean up older container.
 - WATCHTOWER_CLEANUP=true
 # Labels which the tower looks over.
 - WATCHTOWER_LABEL_ENABLE=true
 # Restarting
 - WATCHTOWER_INCLUDE_RESTARTING=true
 labels:
 # Update itself
 - "com.centurylinklabs.watchtower.enable=true"
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This is a docker compose we made.

Notifications

Incase you need WatchTower to send Notifications, here is an example command that sets the environmental variables:

docker run -d \
  --name watchtower \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -e WATCHTOWER_NOTIFICATIONS=email \
  -e WATCHTOWER_NOTIFICATION_EMAIL_FROM=fromaddress@gmail.com \
  -e WATCHTOWER_NOTIFICATION_EMAIL_TO=toaddress@gmail.com \
  -e WATCHTOWER_NOTIFICATION_EMAIL_SERVER=smtp.gmail.com \
  -e WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PORT=587 \
  -e WATCHTOWER_NOTIFICATION_EMAIL_SERVER_USER=fromaddress@gmail.com \
  -e WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PASSWORD=app_password \
  -e WATCHTOWER_NOTIFICATION_EMAIL_DELAY=2 \
  containrrr/watchtower