I have written this up in case you have similar needs and are working with. Doing this on a container, though, proved to be tricky (perhaps with good reason as I mention later) – so tricky that I ended up writing my own tool to do it. This is standard fare on normal Windows machines or on PaaS systems such as Azure App Service. a PFX file with the certificate and private key included, protected with a password) on a Docker container. Recently, I came across having to install PKCS12 certificate bundles (i.e.