server {
    listen 80;
    server_name www.mikivl.online mikivl.online;
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl http2;
    server_name www.mikivl.online mikivl.online;

    ssl_certificate     /etc/letsencrypt/live/www.mikivl.online/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/www.mikivl.online/privkey.pem;
    ssl_protocols       TLSv1.2 TLSv1.3;
    ssl_ciphers         HIGH:!aNULL:!MD5;
    ssl_session_cache   shared:SSL:10m;

    add_header X-Frame-Options SAMEORIGIN;
    add_header X-Content-Type-Options nosniff;
    add_header Referrer-Policy strict-origin-when-cross-origin;

    # ── 后端 API（反向代理到 Hono，/api/ 优先匹配）──
    location /api/ {
        proxy_pass         http://hono-server:3001;
        proxy_http_version 1.1;
        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;
        # SSE 流式响应必须关闭缓冲
        proxy_buffering    off;
        proxy_cache        off;
        proxy_read_timeout 300s;
        chunked_transfer_encoding on;
    }

    # ── 读书笔记 App（/app/ 子路径，SPA）──
    location /app/ {
        alias /usr/share/nginx/html/app/;
        index index.html;
        try_files $uri $uri/ /app/index.html;
    }

    # ── 个人主页（根路径）──
    location / {
        root /usr/share/nginx/html/homepage;
        index index.html;
        try_files $uri $uri/ /index.html;
    }

    # 静态资源长缓存
    location ~* \.(js|css|svg|ico|woff2?|png|jpg|webp)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
    }
}