一、检查服务器权限设置：

1.1 确认ssl证书以及变更权限:

sudo chmod 755 /etc/letsencrypt/live sudo chmod 755 /etc/letsencrypt/live/your_domain

1.2 确认配置文件是否正确:

sudo nano /etc/apache2/sites-available/your_domain.conf sudo nano /etc/nginx/sites-available/your_domain.conf

二、检查Rails应用程序权限设置：

2.1 确认配置文件正确：

sudo nano /etc/nginx/sites-available/your_domain.conf

upstream puma { server unix:///home/user/apps/your_app/shared/sockets/puma.sock; }

server { listen 80; listen [::]:80 default_server; server_name your_domain www.your_domain; # redirect to https return 301 https://$host$request_uri; }

server { listen 443 ssl; listen [::]:443 ssl default_server; server_name your_domain www.your_domain;

     ssl_certificate /etc/letsencrypt/live/your_domain/fullchain.pem;
     ssl_certificate_key /etc/letsencrypt/live/your_domain/privkey.pem;
     ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
     ssl_ciphers HIGH:!aNULL:!MD5;

     root /home/user/apps/your_app/current/public;
     access_log /home/user/apps/your_app/current/log/nginx.access.log;
     error_log /home/user/apps/your_app/current/log/nginx.error.log;
     client_max_body_size 4G;
     keepalive_timeout 10;

     error_page 500 502 503 504 /500.html;
     location = /500.html {
       root /home/user/apps/your_app/current/public;
     }

     location / {
             try_files $uri/index.html $uri.html $uri @puma;
     }

     location ^~ /assets/ {
             gzip_static on;
             expires max;
             add_header Cache-Control public;
     }

     location ^~ /uploads/ {
             gzip_static on;
             expires max;
             add_header Cache-Control public;
     }

     location @puma {
             proxy_set_header X-Forwarded-For $proxy_add_x