WhatsApp Certificate about whatsapp HOT 4 CLOSED

      response = Typhoeus.post(
        full_path,
        headers: {
          "Authorization" => "#{token_name} #{token}",
          "Content-Type" => "application/json"
        },
        body: payload && payload.to_json,
        cainfo: '/certs/external-ca.perm'
      )

% curl https://localhost:9090/v1 -v                                                                                                                                                                
*   Trying ::1:9090...   
* TCP_NODELAY set                                                                                                                                                                                                    
* Connected to localhost (::1) port 9090 (#0)
* ALPN, offering h2
* ALPN, offering http/1.1                    
* successfully set certificate verify locations:                                                          
*   CAfile: /etc/ssl/certs/ca-certificates.crt
  CApath: none                                  
* TLSv1.3 (OUT), TLS handshake, Client hello (1):                                                                                                                                                                    
* TLSv1.3 (IN), TLS handshake, Server hello (2):                                                          
* TLSv1.2 (IN), TLS handshake, Certificate (11): 
* TLSv1.2 (OUT), TLS alert, unknown CA (560):   
* SSL certificate problem: self signed certificate in certificate chain
* Closing connection 0                                                                                    
curl: (60) SSL certificate problem: self signed certificate in certificate chain
More details here: https://curl.haxx.se/docs/sslcerts.html                                                
                                                                                                          
curl failed to verify the legitimacy of the server and therefore could not
establish a secure connection to it. To learn more about this situation and
how to fix it, please visit the web page mentioned above.      

echo external-ca.pem | sudo tee /etc/ssl/certs/ca-certificates.crt