"ERROR: SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Name or service not known" code example

Example: SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: nodename nor servname provided, or not known

Check your DB_HOST on your .env file

DB_HOST=http://localhost/ --> DB_HOST=localhost