nginx.conf

upstream SettingsServer {
    server monitoring-server.os-system;
}

upstream Middleware {
    server middleware-service.os-system;
}

upstream Analytics {
   server anayltic2-server.os-system:3010;
}

server {
	listen 80 default_server;


	# Gzip Settings
	gzip on;
	gzip_disable "msie6";
	gzip_min_length 1k;
    gzip_buffers 16 64k;
    gzip_http_version 1.1;
    gzip_comp_level 5;
    gzip_types *;
	root /app;

	# normal routes
	# serve given url and default to index.html if not found
	# e.g. /, /user and /foo/bar will return index.html

	location / {
		try_files $uri $uri/index.html /index.html;
		add_header Cache-Control "private,no-cache";
		add_header Last-Modified "Oct, 03 Jan 2022 13:46:41 GMT";
    expires 0;
	}

  location /bfl {
        add_header 'Access-Control-Allow-Headers' 'x-api-nonce,x-api-ts,x-api-ver,x-api-source';
        proxy_pass http://bfl;
        proxy_set_header            Host $host;
        proxy_set_header            X-real-ip $remote_addr;
        proxy_set_header            X-Forwarded-For $proxy_add_x_forwarded_for;

        add_header X-Frame-Options SAMEORIGIN;
  }

	location /kapis {
    proxy_pass http://SettingsServer;
    # rewrite ^/server(.*)$ $1 break;

    # Add original-request-related headers
    # proxy_set_header X-Real-IP $remote_addr;
    # proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    # proxy_set_header X-Forwarded-Host $host;
  }

  location /api {
    proxy_pass http://SettingsServer;
    # rewrite ^/server(.*)$ $1 break;

    # Add original-request-related headers
    # proxy_set_header X-Real-IP $remote_addr;
    # proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    # proxy_set_header X-Forwarded-Host $host;
  }


  location /current_user {
    proxy_pass http://SettingsServer;
    # rewrite ^/server(.*)$ $1 break;

    # Add original-request-related headers
    # proxy_set_header X-Real-IP $remote_addr;
    # proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    # proxy_set_header X-Forwarded-Host $host;
  }

  location /capi {
    proxy_pass http://SettingsServer;
    # rewrite ^/server(.*)$ $1 break;

    # Add original-request-related headers
    # proxy_set_header X-Real-IP $remote_addr;
    # proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    # proxy_set_header X-Forwarded-Host $host;
    proxy_set_header            Host $host;
    proxy_set_header            X-real-ip $remote_addr;
    proxy_set_header            X-Forwarded-For $proxy_add_x_forwarded_for;
  }

	location = /js/api/send {
    		proxy_pass http://Analytics;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;

        rewrite ^/js(.*)$ $1 break;
  }

  location /analytics_service {
    proxy_pass http://Analytics;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "Upgrade";
    proxy_set_header Host $host;
    rewrite ^/analytics_service(.*)$ $1 break;
  }

  location /middleware {
      add_header 'Access-Control-Allow-Headers' 'x-api-nonce,x-api-ts,x-api-ver,x-api-source';
      proxy_pass http://Middleware;
      proxy_set_header            Host $host;
      proxy_set_header            X-real-ip $remote_addr;
      proxy_set_header            X-Forwarded-For $proxy_add_x_forwarded_for;

      add_header X-Frame-Options SAMEORIGIN;
  }

  location ~ /(kapis/terminal|api/v1/watch|apis/apps/v1/watch) {
    proxy_pass http://SettingsServer;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "Upgrade";
    proxy_set_header Host $host;
  }

	location = /js/script.js {
	  	add_header Access-Control-Allow-Origin "*";
	}
	# # files
	# # for all routes matching a dot, check for files and return 404 if not found
	# # e.g. /file.js returns a 404 if not found
	location ~.*\.(js|css|png|jpg|svg|woff|woff2)$
    {
      	add_header Cache-Control "public, max-age=2678400";
    }
}