Nginx配置HTTPS

http {
    include       mime.types;
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;

    server {
        listen       80;
        server_name  xxxxx.xxxxx.com; # 域名
        rewrite ^(.*)$ https://$host:443$1 permanent;
    }
    server {
        listen 443 ssl;
        
        server_name xxxxx.xxxxx.com; # 域名
        root /www/server/nginx/html/;
        
        ssl_certificate  /www/server/nginx/ssl_pem/xxxxx.pem;
        ssl_certificate_key /www/server/nginx/ssl_pem/xxxxx.key;
        
        ssl_session_timeout 5m;
        ssl_protocols TLSv1 TLSv1.1 TLSv1.2;

        ssl_ciphers HIGH:!aNULL:!MD5;
        ssl_prefer_server_ciphers on;

        location / {# 前端部分
            index index.html index.htm;
            try_files $uri $uri/ /index.html;
            location /api { # 后端部分
                proxy_pass https://xxxxx.xxxxx.com:5000; # 域名:端口
                proxy_redirect   off;
                proxy_set_header Host $host;
                proxy_set_header X-Forwarded-Proto $scheme;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                client_max_body_size 5M;
            }
        }
    }