Add new infra architecture 4

infrastructure/cicd/tekton-helm/templates/task-detect-changes.yaml

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+# Tekton Task to Detect Changed Services
+# This task analyzes git changes to determine which services need to be built
+
+apiVersion: tekton.dev/v1beta1
+kind: Task
+metadata:
+  name: detect-changed-services
+  namespace: {{ .Values.namespace }}
+  labels:
+    app.kubernetes.io/name: {{ .Values.labels.app.name }}
+    app.kubernetes.io/component: detection
+spec:
+  workspaces:
+    - name: source
+      description: Workspace containing the source code
+  results:
+    - name: changed-services
+      description: Comma-separated list of changed services
+  steps:
+    - name: detect-changes
+      image: alpine/git
+      script: |
+        #!/bin/bash
+        set -e
+        
+        cd $(workspaces.source.path)
+        
+        # Get the list of changed files
+        CHANGED_FILES=$(git diff --name-only HEAD~1 HEAD 2>/dev/null || git diff --name-only $(git rev-parse --abbrev-ref HEAD)@{upstream} HEAD 2>/dev/null || echo "")
+        
+        if [ -z "$CHANGED_FILES" ]; then
+          # No changes detected, assume all services need building
+          echo "No git changes detected, building all services"
+          echo "all" > $(results.changed-services.path)
+          exit 0
+        fi
+        
+        # Extract service names from changed file paths
+        CHANGED_SERVICES=$(echo "$CHANGED_FILES" | grep -o 'services/[^/]*' | sed 's/services\/\//' | sort -u | tr '\n' ',' | sed 's/,$//')
+        
+        if [ -z "$CHANGED_SERVICES" ]; then
+          # Changes are in infrastructure or other non-service files
+          echo "infrastructure" > $(results.changed-services.path)
+        else
+          echo "$CHANGED_SERVICES" > $(results.changed-services.path)
+        fi