Nginx Routing Base based

nginx.conf

worker_processes 4;

events { worker_connections 1024; }

http {

        upstream app1_stream {
              least_conn;
              server app1:3000 weight=10 max_fails=3 fail_timeout=30s;
        }

        upstream app2_stream {
              least_conn;
              server app2:8001 weight=10 max_fails=3 fail_timeout=30s;
        }

       upstream app3_stream {
            server app3:3000;
       }

       upstream app4_stream {
            server app4:8000;
       }

        server {
              listen 80;


              proxy_set_header X-Forwarded-Proto $scheme;
              if ( $http_x_forwarded_proto != 'https' ) {
                return 301 https://$host$request_uri;
              }

            location ~* /ap1_url/(.*) {
                proxy_set_header Host $host;
                proxy_pass http://app1;
              }

               location ~* /app2_url/(.*) {
                proxy_set_header Host $host;
                proxy_pass http://app2;
              }

              location ~* /app3_url/(.*) {
                proxy_set_header Host $host;
                proxy_pass http://app3;
              }

               location ~* /assets/(.*) {
                proxy_set_header Host $host;
                proxy_pass http://app2_url;
              }

              location / {
                proxy_pass http://app1;
                proxy_http_version 1.1;
                proxy_set_header Upgrade $http_upgrade;
                proxy_set_header Connection 'upgrade';
                proxy_set_header Host $host;
                proxy_cache_bypass $http_upgrade;
              }
        }


}