server {
    listen       80;
    server_name  0.0.0.0;

    location /api/ {
        proxy_pass http://backend: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;
    }

    location / {
        root   /opt/frontend;
        try_files $uri $uri/ /index.html;
    }
}