Update deployment instructions

README.md

@@ -7,11 +7,41 @@ service that runs the Infernal cmscan software
 
 **Requirements**
 
-- [Terraform](https://www.terraform.io)
-- [Ansible](https://www.ansible.com/)
-
-1. Create `terraform/providers.tf` using the `providers.tf.template` file.
-2. Generate `rfam_rsa` key: `cd terraform && ssh-keygen -t rsa -b 4096`
-3. Run `terraform init && terraform apply` to create the infrastructure
-4. Run `ansible-playbook -i hosts rfam_batch_search.yml` to install and configure the service
-5. The service will be available at `45.88.81.27:8000`
+- [kubectl](https://kubernetes.io/docs/reference/kubectl/)
+- [helm](https://helm.sh/docs/intro/install/)
+
+```
+# Make sure you are using the correct namespace
+% kubectl config current-context
+rfam
+
+# List helm charts
+% helm list --all
+NAME            NAMESPACE       REVISION        UPDATED                                 STATUS          CHART           APP VERSION
+batch-search    rfam            1               2024-05-10 11:04:58.920023 +0100 BST    deployed        helm-0.1.0      1.16.0
+
+# Uninstall chart
+% helm uninstall batch-search
+release "batch-search" uninstalled
+
+# Install chart. It is possible to set some variables here,
+# but the main one is the branch.
+% cd kubernetes/helm
+% helm install batch-search . --set branch=dev
+NAME: batch-search
+LAST DEPLOYED: Fri May 10 11:04:58 2024
+NAMESPACE: rfam
+STATUS: deployed
+REVISION: 1
+TEST SUITE: None
+
+# Follow the pods creation by running the command below
+% kubectl get pod
+NAME                                 READY   STATUS              RESTARTS   AGE
+nginx-5dbfc595db-dndt2               1/1     Running             0          3s
+nginx-5dbfc595db-smhwm               1/1     Running             0          3s
+rfam-batch-search-59657595ff-6lrhp   0/1     ContainerCreating   0          3s
+rfam-batch-search-59657595ff-qdgjp   0/1     ContainerCreating   0          3s
+rfam-batch-search-59657595ff-t4vs7   0/1     ContainerCreating   0          3s
+rfam-batch-search-59657595ff-t8m5p   0/1     ContainerCreating   0          3s
+```