Lazy Cron Update docker containers

update-containers.sh

#!/bin/bash

# Navigate to the directory containing the docker-compose.yaml file
cd /path/to/docker-compose.yaml || exit

# Pull the latest images for all services
docker-compose pull

# Get the list of services from the docker-compose file
services=$(docker-compose config --services)

# Iterate through each service
for service in $services; do
    # Get the current image of the running container: awk for sha256 beginning of string.
    current_image=$(docker inspect --format='{{.Image}}' "$service" 2>/dev/null | awk -F':' '{print $2}')

    # Get the latest image for the service
    latest_image=$(docker-compose images -q "$service")

    # Check if the current image is different from the latest image
    if [[ "$current_image" != "$latest_image" ]]; then
        echo "Updating $service..."
        # Recreate the container with the new image
        docker-compose up -d --no-deps --force-recreate "$service"
    else
        echo "$service is up-to-date."
    fi
done

echo "All services checked."