haproxy - unable to load SSL private key from PEM file

Question

haproxy does not start anymore, it shows the error

bind :443\' : unable to load SSL private key from PEM file ...

We did not change a

Answer 1

Did you append your certificate's private key to the end of the file?

HAProxy requires a "full chain" - certificate, intermediate authority (if you have one), and then private key. E.g.:

cat cert.pem cert.key > /haproxy/certs/fullchain.pem