[Nginx] Nginx反向代理至go-fastdfs案例讲解

location ~ /dfs/group([0-9]) {
  proxy_pass http://localhost:8080;
  rewrite ^/dfs/(.*)$ /$1 break;
  proxy_set_header Host $host:$server_port;
  proxy_set_header X-Real-IP $remote_addr;
  proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}

ocation ~ /dfs1/group([0-9]) {
  access_log logs/dfs/access.log main;
  error_log logs/dfs/error.log error;
  rewrite ^/dfs1/(.*)$ /$1 break;
  proxy_pass http://localhost:8051;
  # Disable request and response buffering
  proxy_request_buffering off;
  proxy_buffering off;
  proxy_http_version 1.1;
  proxy_set_header Host $host:$server_port;
  proxy_set_header X-Real-IP $remote_addr;
  proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  # 如果server_name不是公网域名，这个地方可以设置成ip
  proxy_set_header X-Forwarded-Host $hostname;
  proxy_set_header X-Forwarded-Proto $scheme;
  proxy_set_header Upgrade $http_upgrade;
  proxy_set_header Connection "upgrade";
  # 因为使用了前缀加rewrite，所以要修改返回的Location加上反向代理的前缀
  proxy_redirect ~^(.*)/group([0-9])/big/upload/(.*) /dfs/group$2/big/upload/$3;
  client_max_body_size 0;
}

upstream dfs_stream {
  server host1:port;
  server host2:port;
  ip_hash;
}