server {
  listen 80;
  server_name _;

  # API -> api container. The SPA calls same-origin /api/... (environment.prod.ts).
  location /api/ {
    proxy_pass         http://api:8080/api/;
    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;
  }

  # Everything else -> the Angular static app (its own nginx does SPA fallback).
  location / {
    proxy_pass http://app:80;
  }
}