ADDED: Docker functionality: docker-compose.yml, docker-entrypoint, Dockerfile

Added: Env example: .env.example
Changed: More functionality for Docker: requirements.txt

docker-compose.yml

@@ -0,0 +1,68 @@
+services:
+  # Main ChatBot Application
+  chatbot:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: py_chatbot
+    restart: unless-stopped
+    ports:
+      - "8080:8080"
+    environment:
+      # Database Configuration
+      - DB_TYPE=sqlite
+      - SQLITE_PATH=/app/data/chatbot.db
+
+      # Flask Configuration
+      - FLASK_HOST=0.0.0.0
+      - FLASK_PORT=8080
+      - FLASK_DEBUG=false
+      - FLASK_SECRET_KEY=your-super-secret-key-change-this-in-production
+
+      # Session Configuration
+      - SESSION_LIFETIME_HOURS=24
+      - SESSION_COOKIE_SECURE=false
+      - SESSION_COOKIE_HTTPONLY=true
+    volumes:
+      # Persist database and logs
+      - chatbot_data:/app/data
+      - chatbot_logs:/app/logs
+    networks:
+      - chatbot_network
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:8080/"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 30s
+
+  # Optional: PostgreSQL Database (for production)
+  #postgres:
+  #  image: postgres:15-alpine
+  #  container_name: py_chatbot_postgres
+  #  restart: unless-stopped
+  #  environment:
+  #    - POSTGRES_DB=chatbot
+  #    - POSTGRES_USER=chatbot_user
+  #    - POSTGRES_PASSWORD=secure_password_change_this
+  #  volumes:
+  #    - postgres_data:/var/lib/postgresql/data
+  #    - ./init.sql:/docker-entrypoint-initdb.d/init.sql:ro
+  #  networks:
+  #    - chatbot_network
+  #  profiles:
+  #    - postgres
+
+# Named Volumes
+volumes:
+  chatbot_data:
+    driver: local
+  chatbot_logs:
+    driver: local
+  #postgres_data:
+  #  driver: local
+
+# Networks
+networks:
+  chatbot_network:
+    driver: bridge