Add opencloud-microservices chart (opencloud-eu#114)

* Add opencloud-microservices chart

* Small fix namespace

* Update TODO reference to point to opencloud-eu/helm repository

* Start with version 0.1.0 for new microservices chart

---------

Co-authored-by: Your Name <[email protected]>
Co-authored-by: Michael Stingl <[email protected]>

Author: 3 people

.github/workflows/publish-helm-charts.yml

@@ -86,4 +86,22 @@ jobs:
           
           # Verify the pushed chart
           echo "Verifying the pushed chart..."
-          helm pull oci://ghcr.io/${{ github.repository_owner }}/helm-charts/opencloud-dev --version $(helm show chart charts/opencloud-dev | grep version | awk '{print $2}')
+          helm pull oci://ghcr.io/${{ github.repository_owner }}/helm-charts/opencloud-dev --version $(helm show chart charts/opencloud-dev | grep version | awk '{print $2}')
+      
+      - name: Package and push OpenCloud Microservice chart
+        run: |
+          # Update Chart.yaml version if we have a tag
+          if [[ "${{ github.ref }}" == refs/tags/v* ]]; then
+            echo "Updating chart version to ${{ env.CHARTS_VERSION }}"
+            sed -i "s/^version:.*/version: ${{ env.CHARTS_VERSION }}/" charts/opencloud-microservices/Chart.yaml
+          fi
+          
+          # Package Helm chart
+          helm package charts/opencloud-microservices
+          
+          # Push to GHCR
+          helm push opencloud-microservices-*.tgz oci://ghcr.io/${{ github.repository_owner }}/helm-charts/
+          
+          # Verify the pushed chart
+          echo "Verifying the pushed chart..."
+          helm pull oci://ghcr.io/${{ github.repository_owner }}/helm-charts/opencloud-microservices --version $(helm show chart charts/opencloud-microservices | grep version | awk '{print $2}')          

README.md

@@ -78,6 +78,19 @@ The complete OpenCloud deployment with all components for production use:
 
 [View Production Chart Documentation](./charts/opencloud/README.md)
 
+### Microservices Chart (`charts/opencloud-microservices`)
+
+**Architecture**: Pod-per-service
+- Every single service in its own pod
+- Full Gateway API integration
+- NATS service discovery required
+- Keycloak for authentication
+- MinIO for object storage
+- Integrated LDAP 
+- Document editing with Collabora and/or OnlyOffice
+- Slightly higher resource usage due to microservices pod overhead
+- See [architectural warnings](./charts/opencloud-microservices/README.md#architectural-considerations)
+
 ### Development Chart (`charts/opencloud-dev`)
 
 A lightweight single-container deployment for development and testing:

charts/opencloud-microservices/.helmignore

@@ -0,0 +1,25 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.vscode
+.project
+.idea/
+*.tmproj
+OWNERS
+# markdown
+*.md

charts/opencloud-microservices/Chart.yaml

@@ -0,0 +1,22 @@
+apiVersion: v2
+name: opencloud-microservices
+description: |
+  Microservice OpenCloud deployment with pod-per-service architecture.
+  WARNING: Higher complexity and resource usage than standard deployment.
+  Each OpenCloud service runs in its own pod for fine-grained control.
+keywords:
+  - opencloud
+  - oc
+maintainers:
+  - name: OpenCloud EU
+    email: [email protected]
+    url: https://opencloud.eu
+type: application
+version: 0.1.0
+# renovate: datasource=docker depName=opencloudeu/opencloud-rolling
+appVersion: 3.2.0
+kubeVersion: ""
+sources:
+  - https://github.com/opencloud-eu/helm
+  - https://github.com/opencloud-eu/opencloud
+  - https://github.com/cs3org/reva