Create docker-compose.yml

docker-compose.yml

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+# Use a recent and stable version of Docker Compose
+version: '3.8'
+
+# Define the services (containers) that make up your application
+services:
+  # The name of our service
+  masto-rss:
+    # Build the image from the Dockerfile in the current directory (.)
+    build: .
+    # Give the container a fixed, recognizable name
+    container_name: masto-rss-container
+    # Ensure the container restarts automatically if it crashes,
+    # unless it has been stopped manually.
+    restart: unless-stopped
+    
+    # Mount volumes to make data persistent
+    volumes:
+      # Mount the 'state' directory on the host to the '/state' directory in the container.
+      # This ensures your history is saved across restarts.
+      - ./state:/state
+      
+    # Define all environment variables the script needs
+    environment:
+      # Ensures that the output of print() is sent directly to the logs
+      - PYTHONUNBUFFERED=1
+      
+      # --- Your Mastodon & RSS Configuration ---
+      # Replace the values below with your own details
+      - MASTODON_CLIENT_ID=YOUR_CLIENT_ID
+      - MASTODON_CLIENT_SECRET=YOUR_CLIENT_SECRET
+      - MASTODON_ACCESS_TOKEN=YOUR_ACCESS_TOKEN
+      - MASTODON_INSTANCE_URL=https://your-instance.url
+      - RSS_FEED_URL=https://your.rss/feed.xml
+      
+      # --- Optional Settings ---
+      # The time in seconds between checks (default: 3600 = 1 hour)
+      - CHECK_INTERVAL=3600
+      # A list of hashtags, separated by spaces
+      - MASTO_RSS_HASHTAGS=news tech python
+      # The maximum number of remembered posts (default: 500)
+      - MAX_HISTORY_SIZE=500
+      # Visibility of the toot: 'public', 'unlisted', 'private', or 'direct'
+      - TOOT_VISIBILITY=public
+
+      # --- Customize your toot format here ---
+      # Placeholders: {title}, {link}, {hashtags}. Use \n for a new line.
+      # Make sure the line is enclosed in single quotes.
+      #
+      # Example 1: Default format (uncomment to use)
+      # - TOOT_TEMPLATE='{title}\n\n{link}\n\n{hashtags}'
+      #
+      # Example 2: Short, compact format
+      - TOOT_TEMPLATE='{title} - {link} {hashtags}'