nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
# configuration file /etc/nginx/nginx.conf:
events {}

http {
  access_log /var/log/nginx/access.log;
  error_log /var/log/nginx/error.log notice;

  server {
    listen 8080;

    location /health {
      proxy_pass http://backend:8081/health;
    }
  }
}