NGINX 配置不将非 www 重定向到 www

Question

我在托管在 AWS EC2 实例上的 Ubuntu 16 服务器上的端口 3000 上有一个 NodeJS 应用程序运行。我希望 NGINX 将以下每个地址重定向到 https://www.example.com:

http://example.com
http://www.example.com
https://example.com

为此，我将我的 /etc/nginx/sites-available/default 文件配置如下：

server {
    listen 80;
    listen [::]:80;
    server_name example.com;
    location / {
        # Redirect any http requests to https
        return 301 https://www.$server_name$request_uri;
     }
     location ~* \.(?:ico|svg|woff|woff2|ttf|otf|css|js|gif|jpe?g|png)$ {
        proxy_pass http://127.0.0.1:3000;
        expires 30d;
        add_header Pragma public;
        add_header Cache-Control "public";
     }
}

# Settings for a TLS enabled server
server {
        listen 443 ssl http2;
        listen [::]:443 ssl;
        server_name  www.example.com;

        ssl_certificate "/etc/letsencrypt/live/example.com/fullchain.pem";
        ssl_certificate_key "/etc/letsencrypt/live/example.com/privkey.pem";

        # Automatically route HTTP to HTTPS
        add_header Strict-Transport-Security "max-age=31536000";

        include /etc/nginx/default.d/*.conf;

        location / {
            proxy_pass http://127.0.0.1:3000;
       }
   }

但是，这似乎只部分起作用：

http://example.com -> 转到 https://example.com 而不是 https://www.example.com
http://www.example.com -> 转到 https://example.com 而不是 https://www.example.com
https://example.com -> 转到 https://example.com 而不是 https://www.example.com
https://www.example.com -> 工作正常

有什么建议吗？

Answer 1

对于每个要重定向的案例，您应该有一个服务器块：

server {
  listen 80;
  listen [::]:80;
  server_name example.com;
  return 301 https://www.example.com$request_uri;
}
server {
  listen 80;
  listen [::]:80;
  server_name www.example.com;
  return 301 https://www.example.com$request_uri;
}

# Settings for a TLS enabled server
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name  example.com;
    return 301 https://www.example.com$request_uri;
}
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name  www.example.com;

    ssl_certificate "/etc/letsencrypt/live/example.com/fullchain.pem";
    ssl_certificate_key "/etc/letsencrypt/live/example.com/privkey.pem";

    # Automatically route HTTP to HTTPS
    add_header Strict-Transport-Security "max-age=31536000";

    include /etc/nginx/default.d/*.conf;

    location / {
        proxy_pass http://127.0.0.1:3000;
   }
}

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