See below for upgrading your Certificate 4.1.0 installation to 4.2.0 or 4.2.1.

To upgrade the Certificate Hub image to 4.2

1. Push to Docker the images described in Downloading the installation files.
2. Set the new configuration as explained in Configuring the deployment.

3. Run the environmentCreationOrUpdate.sh script as follows. 

   ./environmentCreationOrUpdate.sh --tag <tag>

   Where <tag> is either 4.2.0 or 4.2.1, depending on the target release.