# Watchtower - Container Auto-Updater for Calypso
# Schedule: Daily at 4:00 AM PST
# HTTP API: Available for metrics and status (not updates)

version: '3.8'

services:
  watchtower:
    image: containrrr/watchtower:latest
    container_name: watchtower
    ports:
      - "8080:8080"
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    environment:
      # Core functionality
      - WATCHTOWER_CLEANUP=true
      - WATCHTOWER_INCLUDE_RESTARTING=true
      - WATCHTOWER_INCLUDE_STOPPED=true
      - WATCHTOWER_REVIVE_STOPPED=false
      - WATCHTOWER_TIMEOUT=10s
      - TZ=America/Los_Angeles

      # Scheduling - Run daily at 4:00 AM
      - WATCHTOWER_SCHEDULE=0 0 4 * * *

      # HTTP API for metrics only (not updates to allow scheduled runs)
      - WATCHTOWER_HTTP_API_METRICS=true
      - WATCHTOWER_HTTP_API_TOKEN="REDACTED_HTTP_TOKEN"

    restart: unless-stopped
    labels:
      # Exclude watchtower from updating itself
      - "com.centurylinklabs.watchtower.enable=false"