MiniChat/nginx.conf at master · keixt/MiniChat · GitHub

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# Nginx 配置 - MiniChat HTTPS/WSS 支持
# 将此文件上传到 ECS: /etc/nginx/sites-available/minichat.conf
# 创建软链接: ln -s /etc/nginx/sites-available/minichat.conf /etc/nginx/sites-enabled/
# 测试配置: nginx -t
# 重启: systemctl restart nginx

# HTTP 重定向到 HTTPS
server {
    listen 80;
    server_name caelus.cc chat.caelus.cc www.caelus.cc;

    # Let's Encrypt 证书验证
    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }

    # 重定向到 HTTPS
    location / {
        return 301 https://$host$request_uri;
    }
}

# HTTPS 主配置
server {
    listen 443 ssl http2;
    server_name caelus.cc chat.caelus.cc www.caelus.cc;

    # SSL 证书配置（使用 Let's Encrypt）
    ssl_certificate /etc/letsencrypt/live/caelus.cc/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/caelus.cc/privkey.pem;

    # SSL 优化配置
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384';
    ssl_prefer_server_ciphers off;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 10m;

    # 安全头
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;

    # 日志优化（减少磁盘 I/O）
    # 使用缓冲，每 5 秒或缓冲满 32KB 时写入磁盘
    access_log /var/log/nginx/minichat-access.log combined buffer=32k flush=5s;
    # 错误日志只记录 warn 及以上级别
    error_log /var/log/nginx/minichat-error.log warn;

    # Web 应用代理（Next.js）
    location / {
        proxy_pass http://localhost:3100;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        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_cache_bypass $http_upgrade;
    }

    # WebSocket 信令服务代理（Socket.IO）
    location /socket.io/ {
        proxy_pass http://127.0.0.1:3101/socket.io/;
        proxy_http_version 1.1;

        # WebSocket 升级必需的头
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        # 标准代理头
        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_set_header X-Forwarded-Host $host;

        # 超时配置（WebSocket 长连接）
        proxy_connect_timeout 7d;
        proxy_send_timeout 7d;
        proxy_read_timeout 7d;

        # 禁用缓冲
        proxy_buffering off;
    }

    # 静态文件缓存（不记录访问日志）
    location ~* \.(jpg|jpeg|png|gif|ico|css|js|svg|woff|woff2|ttf|eot)$ {
        proxy_pass http://localhost:3100;
        expires 1y;
        add_header Cache-Control "public, immutable";
        access_log off;  # 静态资源不记录日志，减少磁盘 I/O
    }
}