初始提交：企业级日报系统完整代码

功能特性：
-  JWT用户认证系统
-  日报CRUD管理
-  三级权限控制
-  多维度搜索过滤
-  统计分析功能
-  评论互动系统
-  响应式Cool Admin界面
-  暗色主题支持

 技术栈：
- 后端：Django 4.2.7 + DRF + SimpleJWT
- 前端：Vue 3 + Element Plus + Pinia
- 数据库：SQLite/PostgreSQL
- 部署：Docker + Nginx

 包含内容：
- 完整的后端API代码
- 现代化前端界面
- 数据库迁移文件
- 部署脚本和文档
- 演示页面和测试工具

frontend/nginx.conf

@@ -0,0 +1,139 @@
+user nginx;
+worker_processes auto;
+
+error_log /var/log/nginx/error.log notice;
+pid /var/run/nginx.pid;
+
+events {
+    worker_connections 1024;
+    use epoll;
+    multi_accept on;
+}
+
+http {
+    include /etc/nginx/mime.types;
+    default_type application/octet-stream;
+
+    # 日志格式
+    log_format main '$remote_addr - $remote_user [$time_local] "$request" '
+                    '$status $body_bytes_sent "$http_referer" '
+                    '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log /var/log/nginx/access.log main;
+
+    # 性能优化
+    sendfile on;
+    tcp_nopush on;
+    tcp_nodelay on;
+    keepalive_timeout 65;
+    types_hash_max_size 2048;
+    client_max_body_size 20M;
+
+    # Gzip压缩
+    gzip on;
+    gzip_vary on;
+    gzip_min_length 1024;
+    gzip_proxied any;
+    gzip_comp_level 6;
+    gzip_types
+        text/plain
+        text/css
+        text/xml
+        text/javascript
+        application/json
+        application/javascript
+        application/xml+rss
+        application/atom+xml
+        image/svg+xml;
+
+    # 安全头
+    add_header X-Frame-Options "SAMEORIGIN" always;
+    add_header X-Content-Type-Options "nosniff" always;
+    add_header X-XSS-Protection "1; mode=block" always;
+    add_header Referrer-Policy "no-referrer-when-downgrade" always;
+
+    server {
+        listen 80;
+        server_name localhost;
+        root /usr/share/nginx/html;
+        index index.html;
+
+        # 静态资源缓存
+        location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
+            expires 1y;
+            add_header Cache-Control "public, immutable";
+            access_log off;
+        }
+
+        # HTML文件不缓存
+        location ~* \.html$ {
+            expires -1;
+            add_header Cache-Control "no-cache, no-store, must-revalidate";
+            add_header Pragma "no-cache";
+        }
+
+        # API代理到后端
+        location /api/ {
+            proxy_pass http://backend:8000;
+            proxy_set_header Host $host;
+            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;
+            proxy_connect_timeout 30s;
+            proxy_send_timeout 30s;
+            proxy_read_timeout 30s;
+        }
+
+        # 管理后台代理
+        location /admin/ {
+            proxy_pass http://backend:8000;
+            proxy_set_header Host $host;
+            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;
+        }
+
+        # 静态文件代理
+        location /static/ {
+            alias /var/www/static/;
+            expires 1y;
+            add_header Cache-Control "public";
+        }
+
+        # 媒体文件代理
+        location /media/ {
+            alias /var/www/media/;
+            expires 1y;
+            add_header Cache-Control "public";
+        }
+
+        # SPA路由支持
+        location / {
+            try_files $uri $uri/ /index.html;
+        }
+
+        # 健康检查
+        location /health {
+            access_log off;
+            return 200 "healthy\n";
+            add_header Content-Type text/plain;
+        }
+
+        # 安全配置
+        location ~ /\. {
+            deny all;
+        }
+
+        location ~ ~$ {
+            deny all;
+        }
+
+        # 错误页面
+        error_page 404 /index.html;
+        error_page 500 502 503 504 /50x.html;
+        
+        location = /50x.html {
+            root /usr/share/nginx/html;
+        }
+    }
+}