server {
    listen 80;
    server_name _;

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

    location /api/ {
        proxy_pass ${API_UPSTREAM};
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    location = /healthz {
        proxy_pass ${API_UPSTREAM}/healthz;
    }

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