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GreenMail on Kubernetes via Terraform

Example for running GreenMail containerized on k8s via Terraform Kubernetes provider.

Quickstart

  1. Optionally start local Minikube

    An easy way to test the setup is to use a local Minikube k8s cluster, e.g. via

    minikube start --extra-config=apiserver.service-node-port-range=1025-9999

  2. Initialize terraform (once only, downloads k8s provider etc.)

    terraform init // Once only for TF setup

  3. Create GreenMail k8s namespace, pod and service example

    Optionally reconfigure k8s namespace and service port mappings in main.tf.

    terraform apply // Creates POD with GreenMail container and service
kubectl describe pods tf-pod-greenmail --namespace tf-ns-greenmail
kubectl describe services tf-service-greenmail --namespace tf-ns-greenmail
kubectl logs --namespace tf-ns-greenmail tf-pod-greenmail // Get GreenMail log output
minikube service list  // Get local, external IP of GreenMail

    As a smoke test you can e.g. invoke the GreenMail API (defaults to port 8080) or configure your favorite mail client.

  4. Cleanup

    terraform destroy // Removed GreenMail namespace, pod and service example
minikube stop