chore(docker): add docker compose deployment

docker-compose.yml

@@ -0,0 +1,26 @@
+services:
+  backend:
+    build:
+      context: .
+      dockerfile: Dockerfile.backend
+    ports:
+      - "8080:8080"
+    volumes:
+      - csp_data:/data
+    restart: unless-stopped
+
+  frontend:
+    build:
+      context: .
+      dockerfile: Dockerfile.frontend
+    environment:
+      # 前端调用后端API时使用；后续页面会读取该变量
+      - NEXT_PUBLIC_API_BASE=http://localhost:8080
+    ports:
+      - "3000:3000"
+    depends_on:
+      - backend
+    restart: unless-stopped
+
+volumes:
+  csp_data: