502 Bad Gateway NGINX Error
Description: A 502 Bad Gateway Nginx error is an HTTP status code that represents a server acting as a gateway or proxy server failing to receive a valid response from an upstream server. In the case of Nginx, a 502 bad gateway error occurs when the server cannot establish a connection with the upstream server or when the upstream server returns an invalid response.
https://www.wpoven.com/blog/502-bad-gateway-nginx/
Keywords: 502 Bad Gateway NGINX Error