version: '3.8' # Specifies the Docker Compose file format version

services:
  electricity-calculator-web:
    # Option 1: Build from the local Dockerfile
    # This is useful for local development if you are making changes to the Dockerfile or app code.
    #build:
    #  context: . # Use the current directory as the build context (where Dockerfile is)
    #  dockerfile: Dockerfile # Specifies the name of the Dockerfile
    
    # Option 2: Use an existing image from a registry (e.g., GitHub Container Registry)
    # Uncomment the line below and comment out the 'build' section above if you want to use a pre-built image.
    # Make sure to replace 'YOUR_USERNAME/YOUR_REPOSITORY' with your actual GHCR path.
    image: ghcr.io/dnviti/electricity-calculator-app:latest

    container_name: electricity_calculator_nginx # A friendly name for the running container
    
    ports:
      - "8080:80" # Maps port 8080 on the host to port 80 on the container (Nginx default HTTP port)
      # You can change "8080" to any other available port on your host machine if needed.

    restart: unless-stopped # Optional: Configures the container to restart automatically unless manually stopped.
                           # Other options include 'no', 'on-failure', 'always'.

# Optional: Define named volumes if your application needed persistent storage (not needed for this static site)
# volumes:
#   my-app-data:

# Optional: Define networks if you need custom networking (not needed for this simple setup)
# networks:
#   my-app-network: