feat: implements a better kubernetes deployment setup

.github/workflows/deploy.yml

@@ -2,6 +2,12 @@ name: ci
 
 on:
     push:
+    workflow_dispatch:
+      inputs:
+        tag:
+          description: 'Tag to deploy'
+          required: false
+          default: 'latest'
 
 jobs:
     build:
@@ -69,4 +75,34 @@ jobs:
             - name: Push Docker images
               run: |
                 docker push $IMAGE_LATEST
-                docker push $IMAGE_SHA
+                docker push $IMAGE_SHA
+
+    deploy:
+        needs: [docker]
+        runs-on: ubuntu-latest
+        if: github.event_name == 'push' && (github.ref == 'refs/heads/main')
+
+        steps:
+          - uses: actions/checkout@v4
+
+          - name: Set up Kubeconfig
+            uses: azure/setup-kubectl@v3
+            with:
+              method: kubeconfig
+              kubeconfig: ${{ secrets.PORTFOLIO_KUBECONFIG }}
+
+          - name: Deploy to Kubernetes
+            run: |
+              OWNER=$(echo "${GITHUB_REPOSITORY_OWNER}" | tr '[:upper:]' '[:lower:]')
+              REPO=$(echo "${GITHUB_REPOSITORY#*/}" | tr '[:upper:]' '[:lower:]')
+              
+              IMAGE_BASE="ghcr.io/${OWNER}/${REPO}"
+              TAG="${{ github.event.inputs.tag || 'latest' }}"
+              
+              kubectl config set-context --current --namespace=$KUBE_NAMESPACE
+
+              # Apply any other configuration changes if needed
+              envsubst < .k8s/config.yml | kubectl apply -f -
+              envsubst < .k8s/deployment.yaml | kubectl apply -f -
+              envsubst < .k8s/service.yaml | kubectl apply -f -
+              envsubst < .k8s/ingress.yaml | kubectl apply -f -