server {
    listen 8080;
    server_name _;

    access_log /dev/stdout;
    error_log /dev/stderr;

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

    # query service has no CORS headers and no authentication: the API must be
    # served same-origin with the UI.
    location /api/v1/ {
        proxy_pass http://127.0.0.1:9557;
        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_read_timeout 300s;
        proxy_send_timeout 300s;
    }

    # SPA fallback: routing is client-side.
    location / {
        try_files $uri $uri/ /index.html;
    }
}