Add Docker configuration and .dockerignore for Serena application

docker-compose.yml

@@ -0,0 +1,69 @@
+version: '3.8'
+
+services:
+  # Backend Service
+  serena-backend:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: serena-backend
+    ports:
+      - "8080:8080"
+    environment:
+      - SPRING_PROFILES_ACTIVE=docker
+      - SERVER_PORT=8080
+      - SPRING_WEB_CORS_ALLOWED_ORIGINS=http://localhost:3000,http://127.0.0.1:3000
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:8080/actuator/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 60s
+    restart: unless-stopped
+    networks:
+      - serena-network
+
+  # Frontend Development Service (alternative to built-in static files)
+  serena-frontend:
+    build:
+      context: ./frontend
+      dockerfile: Dockerfile.dev
+    container_name: serena-frontend
+    ports:
+      - "3000:3000"
+    environment:
+      - REACT_APP_API_URL=http://localhost:8080
+      - CHOKIDAR_USEPOLLING=true
+    volumes:
+      - ./frontend:/app
+      - /app/node_modules
+    depends_on:
+      - serena-backend
+    networks:
+      - serena-network
+    profiles:
+      - development
+
+  # Production Frontend (served by backend)
+  serena-app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: serena-app
+    ports:
+      - "80:8080"
+    environment:
+      - SPRING_PROFILES_ACTIVE=production
+      - SERVER_PORT=8080
+    restart: unless-stopped
+    networks:
+      - serena-network
+    profiles:
+      - production
+
+networks:
+  serena-network:
+    driver: bridge
+
+volumes:
+  node_modules: