feat(docker): 重构Docker配置以支持生产环境部署

- 添加Dockerfile.dev用于开发环境
- 重构主Dockerfile使用多阶段构建
- 添加nginx配置和entrypoint脚本
- 更新docker-compose.yml配置
- 修改API基础路径为相对路径
- 更新vite配置支持环境变量

nginx.conf

@@ -0,0 +1,29 @@
+server {
+    listen 80;
+    server_name localhost;
+    root /usr/share/nginx/html;
+    index index.html;
+
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+
+    location /api/chat {
+        proxy_pass https://thinkflow.lz-t.top/chat/completions;
+        proxy_set_header Host thinkflow.lz-t.top;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+
+    location /api/image {
+        proxy_pass https://thinkflow.lz-t.top/images/generations;
+        proxy_set_header Host thinkflow.lz-t.top;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+
+    gzip on;
+    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
+}