- download … Root CA certificate using connected browser
- place pem file into /etc/pki/tls/certs (es: /etc/pki/tls/certs/RootCA.pem)
- edit /etc/php.ini file and set curl.cainfo and openssl.cafile parameters
curl.cainfo=/etc/pki/tls/certs/RootCA.pem
openssl.cafile=/etc/pki/tls/certs/RootCA.pem
- set http_proxy and https_proxy env vars
- test it use composer diag