🔁 Automating Docker Updates with Watchtower

Watchtower automatically updates Docker containers when a new image is available.

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🔹 Step 1: Install Watchtower

docker run -d \\
  --name watchtower \\
  -v /var/run/docker.sock:/var/run/docker.sock \\
  containrrr/watchtower

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🔹 Step 2: Enable Email Notifications (Optional)

docker run -d \\
  --name watchtower \\
  -v /var/run/docker.sock:/var/run/docker.sock \\
  -e WATCHTOWER_NOTIFICATIONS=email \\
  -e WATCHTOWER_NOTIFICATION_EMAIL_FROM=\"[email protected]\" \\
  -e WATCHTOWER_NOTIFICATION_EMAIL_TO=\"[email protected]\" \\
  -e WATCHTOWER_NOTIFICATION_EMAIL_SERVER=\"smtp.your-mail-server.com\" \\
  containrrr/watchtower

✅ Watchtower now checks for updates and notifies you via email.