Docker

docker-compose.dev.yml

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+version: '3.8'
+
+services:
+  web:
+    build: 
+      context: .
+      dockerfile: Dockerfile.dev
+    ports:
+      - "8001:8000"
+    volumes:
+      - .:/app
+      - /app/venv  # Exclude venv
+    environment:
+      - SECRET_KEY=dev-secret-key-change-in-production
+      - DEBUG=True
+      - ALLOWED_HOSTS=localhost,127.0.0.1,web
+      - DATABASE_URL=sqlite:///db.sqlite3
+      # No REDIS_URL - will use in-memory channel layer
+    command: python manage.py runserver 0.0.0.0:8000
+    # Or use daphne for WebSocket testing:
+    # command: daphne -b 0.0.0.0 -p 8000 config.asgi:application