ubuntu下配置nginx实现反向代理服务

• 编辑 /etc/nginx/sites-available/default

  vi /etc/nginx/sites-available/default
  

• 将以下内容复制到 default 文件中
• 修改你需要监听的端口号

  # This file will automatically load configuration files provided by other
  # applications, such as Drupal or Wordpress. These applications will be made
  # available underneath a path with that package name, such as /drupal8.
  #
  # Please see /usr/share/doc/nginx-doc/examples/ for more detailed examples.
  ##
  
  # Default server configuration
  #
  
  upstream ELM_Node {
      # Nodejs app upstream
      server 127.0.0.1:3000;    # 只需要修改这个你要监听的端口号
      keepalive 64;
  }
  
  server {
          listen 80 default_server;
          listen [::]:80 default_server;
  
          # SSL configuration
          #
          # listen 443 ssl default_server;
          # listen [::]:443 ssl default_server;
          #
          # Note: You should disable gzip for SSL traffic.
                 # See: https://bugs.debian.org/773332
          #
          # Read up on ssl_ciphers to ensure a secure configuration.
          # See: https://bugs.debian.org/765782
          #
          # Self signed certs generated by the ssl-cert package
          # Don't use them in a production server!
          #
          # include snippets/snakeoil.conf;
  
          # root /var/www/html;
  
          # Add index.php to the list if you are using PHP
          # index index.html index.htm index.nginx-debian.html;
  
          # server_name _;
  
          location / {
                  # First attempt to serve request as file, then
                  # as directory, then fall back to displaying a 404.
                  # try_files $uri $uri/ =404;
                  proxy_pass http://ELM_Node/;
          }
          # pass PHP scripts to FastCGI server
          #
          #location ~ \.php$ {
          #       include snippets/fastcgi-php.conf;
          #
          #       # With php-fpm (or other unix sockets):
          #       fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;
          #       # With php-cgi (or other tcp sockets):
          #       fastcgi_pass 127.0.0.1:9000;
          #}
  
          # deny access to .htaccess files, if Apache's document root
          # concurs with nginx's one
          #
          #location ~ /\.ht {
          #       deny all;
          #}
  }
  
  # Virtual Host configuration for example.com
  #
  # You can move that to a different file under sites-available/ and symlink that
  # to sites-enabled/ to enable it.
  #
  #server {
  #       listen 80;
  #       listen [::]:80;
  #
  #       server_name example.com;
  #
  #       root /var/www/example.com;
  #       index index.html;
  #
  #       location / {
  #               try_files $uri $uri/ =404;
  #       }
  #}
  
          # concurs with nginx's one