server {
  listen 80;
  server_name _;

  root /usr/share/nginx/html;
  index index.html;

  location / {
    try_files $uri /index.html;
  }

  location = /index.html {
    add_header Cache-Control "no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0" always;
    try_files $uri /index.html;
  }

  location = /manifest.webmanifest {
    add_header Cache-Control "no-store, max-age=0" always;
    try_files $uri =404;
  }

  location = /sw.js {
    add_header Cache-Control "no-store, max-age=0" always;
    try_files $uri =404;
  }

  location /api/ {
    proxy_pass http://backend:5001;
    proxy_http_version 1.1;
    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;
  }
}