# generated 2024-06-16, Mozilla Guideline v5.7, nginx 1.18.0, OpenSSL 3.0.2, modern configuration
# https://ssl-config.mozilla.org/#server=nginx&version=1.18.0&config=modern&openssl=3.0.2&guideline=5.7
server {
    listen 80;
    listen [::]:80;

    server_name  bitwarden.tradewind.vip;

    location / {
        return 301 https://$host$request_uri;
    }
}

# 配置上游服务列表
upstream backend_servers {
  # 下面的 server 可以是你的多个后端服务，比如负载均衡后的几个实例
  server router.tradewind.vip:10060;
  # 可以添加更多的服务以实现更健壮的容错和负载均衡

  # 设置健康检查参数
  health_check;
  health_check_port 10060; #需要确保健康检查的端口与访问端口相同
  health_check_interval 2s; # 检查间隔
  health_check_timeout 1s;  # 超时时间，一般可以做得比较短
  health_check_max_fails 1; # 失败多少次才认为服务不健康，可根据实际情况调整
}

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;

    server_name  bitwarden.tradewind.vip;

    # Allow large attachments
    client_max_body_size 128M;

    location / {
        set $router "backend_servers";
        proxy_set_header Host $host;
	    proxy_redirect off;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        # 现在使用upstream定义的后端服务
        proxy_pass http://$router;
    }


    ssl_certificate /etc/letsencrypt/live/tradewind.vip/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/tradewind.vip/privkey.pem;
    ssl_session_timeout 1d;
    ssl_session_cache shared:MozSSL:10m;  # about 40000 sessions
    ssl_session_tickets off;

    # modern configuration
    ssl_protocols TLSv1.3;
    ssl_prefer_server_ciphers off;

    # HSTS (ngx_http_headers_module is required) (63072000 seconds)
    add_header Strict-Transport-Security "max-age=63072000" always;

    # replace with the IP address of your resolver
    resolver 223.5.5.5;
}