Add Helm chart build and publishing to Gitea workflows

- Added Helm chart build job to main CI/CD workflow
- Created dedicated helm-release workflow for version tags
- Integrated Helm packaging with Gitea package registry
- Added automatic chart versioning and publishing
- Updated README with Helm deployment instructions
- Configured chart linting and validation steps
- Added release automation for tagged versions

README.md

@@ -93,18 +93,24 @@ The `.gitea/workflows/build.yml` pipeline automatically:
 1. Builds Docker images for both applications
 2. Pushes to Gitea container registry
 3. Tags images with branch name
-4. Implements layer caching for faster builds
+4. Packages and publishes Helm chart
+5. Implements layer caching for faster builds
 
 **Triggers:**
-- Any branch push
+- Any branch push (Docker images)
+- Push to main branch (Helm chart)
+- Version tags (Helm releases)
 - Manual dispatch
 
 **Registry:** `git.commandware.com/demos/api7-demo`
 
-**Images:**
+**Docker Images:**
 - `git.commandware.com/demos/api7-demo/web:<branch-name>`
 - `git.commandware.com/demos/api7-demo/api:<branch-name>`
 
+**Helm Repository:**
+- `https://git.commandware.com/api/packages/$OWNER/helm`
+
 ### Setup
 
 1. **Create `GITEA_TOKEN` secret:**
@@ -123,10 +129,62 @@ The `.gitea/workflows/build.yml` pipeline automatically:
 ### Prerequisites
 
 - Kubernetes cluster (v1.19+)
+- Helm 3.8.0+
 - API7 Enterprise Gateway installed
 - Namespace: `api7ee`
 
-### Deployment Manifest
+### Deploy with Helm
+
+The project includes a complete Helm chart for easy deployment of both web and API components.
+
+#### Add Helm Repository
+
+```bash
+# Add the Gitea Helm repository
+helm repo add api7ee https://git.commandware.com/api/packages/$OWNER/helm
+helm repo update
+```
+
+#### Install the Chart
+
+```bash
+# Install with default values
+helm install my-api7ee api7ee/api7ee --namespace api7ee --create-namespace
+
+# Install with custom values
+helm install my-api7ee api7ee/api7ee -f custom-values.yaml --namespace api7ee
+
+# Install with specific image tags
+helm install my-api7ee api7ee/api7ee \
+  --set web.image.tag=v1.0.0 \
+  --set api.image.tag=v1.0.0 \
+  --namespace api7ee
+```
+
+#### Configuration Options
+
+Key Helm values:
+
+| Parameter | Description | Default |
+|-----------|-------------|---------|
+| `web.enabled` | Enable Web component | `true` |
+| `web.replicaCount` | Number of Web replicas | `2` |
+| `api.enabled` | Enable API component | `true` |
+| `api.replicaCount` | Number of API replicas | `3` |
+| `ingress.enabled` | Enable ingress | `true` |
+| `ingress.hosts[0].host` | Ingress hostname | `demo.commandware.it` |
+
+#### Upgrade/Uninstall
+
+```bash
+# Upgrade the release
+helm upgrade my-api7ee api7ee/api7ee --namespace api7ee
+
+# Uninstall
+helm uninstall my-api7ee --namespace api7ee
+```
+
+### Manual Deployment (Alternative)
 
 **k8s-deployments.yaml:**
 ```yaml