Helm is another great option here. Helm uses Go templates. You define your variables in a top level values.yaml, and then install the chart to your cluster. Th

Helm is another great option here. Helm uses Go templates. You define your variables in a top level values.yaml, and then install the chart to your cluster. The variables get expanded on chart install. Here is a snippet from a deployment: env: {{- range $key, $value := .Values.my_env_vars }} - name: {{ $key }} value: {{ $value | quote }} {{ end }}