A. Generate the ConfigMaps specific to the environment by using a templating language such as Jinja2 and store the ConfigMaps in unique branches of a repository

B. Implement environment variables within the ConfigMaps and store the variable definitions separately from the master branch where the ConfigMaps are stored

C. Create a unique repository for each environment that contains ConfigMaps for that environment to ensure that each environment can be deployed independently

D. In the master branch where the ConfigMaps are stored, create a branch for each environment that contains an environment-specific ConfigMap.