nginx config for angular app deploy in subpath

avenger-nginx.conf

server {
  server_name gist.github.com
  root /usr/share/gist;
  index index.html
  
  location / {
    try_files $uri $uri/ =404;
  }
  
  location /avenger/ {
    index /avenger/index.html;
    
    expires -1;
    add_header Pragma "no-cache";
    add_header Cache-Control "no-store, no-cache, must-revalidate, post-check=0, pre-check=0";
    try_files $uri$args $uri$args/ $uri/ /avenger/index.html =404;
  }
  
  error_page 404 /404.html;
}