Add comment how we read the cert-file

coupergateway · Mar 21, 2022 · 51a62ca · 51a62ca
1 parent 32f81a2
commit 51a62ca
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/command/run.go b/command/run.go
@@ -203,6 +203,9 @@ func (r *Run) Execute(args Args, config *config.Couper, logEntry *logrus.Entry)
 	return nil
 }
 
+// readCertificateFile reads given file bytes and PEM decodes the certificates the
+// same way x509.CertPool.AppendCertsFromPEM does.
+// AppendCertsFromPEM method will be used on backend transport creation.
 func readCertificateFile(file string) ([]byte, error) {
 	cert, err := ioutil.ReadFile(file)
 	if err != nil {