5.2. Importing custom certificates to an image by using a Containerfile

Procedure

1. Create a Containerfile:

   FROM <internal_repository>/<image>
   # Add certificate to the input set of anchors
   COPY additional-certificate-root.pem /etc/pki/ca-trust/source/anchors
   RUN update-ca-trust

2. Build the custom image:

   # podman build -t <your_image> .

3. Run the <your_image>:

   # podman run -it --rm <your_image>