nginx sub-route spa

worker_processes auto;

events {

    worker_connections 1024;

}


http {

  upstream restApi {
      server https://ip:port;
  }   
  
  server {

      listen 80;

      server_name localhost;
      
      sendfile        on;

      location / {
          root /app/dist/;
          index index.html;
          try_files $uri $uri/ /index.html;
      }

      location = /api {
          proxy_pass http://restApi;
          proxy_redirect off;
          proxy_http_version 1.1;
          proxy_cache_bypass $http_upgrade;

          proxy_set_header Upgrade $http_upgrade;
          proxy_set_header Connection keep-alive;
          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;
          proxy_set_header X-Forwarded-Host $server_name;
      }

  }