Add test workflow for healthcheck DSL feature

Author: bilby91

.github/workflows/test-healthcheck.yml

@@ -0,0 +1,60 @@
+name: Test Healthcheck DSL - Service Containers
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - feature/service-container-healthcheck
+
+jobs:
+  test-healthcheck:
+    runs-on: self-hosted
+    
+    services:
+      minio:
+        image: quay.io/minio/minio:latest
+        healthcheck-cmd: "curl -f http://localhost:9000/minio/health/live || exit 1"
+        healthcheck-interval: 30s
+        healthcheck-timeout: 10s
+        healthcheck-retries: 5
+        env:
+          MINIO_ROOT_USER: minioadmin
+          MINIO_ROOT_PASSWORD: minioadmin
+        ports:
+          - 9000:9000
+          - 9001:9001
+        volumes:
+          - minio-data:/data
+        command: server /data --console-address ":9001"
+      
+      redis:
+        image: redis:7-alpine
+        healthcheck-cmd: "redis-cli ping"
+        healthcheck-interval: 5s
+        healthcheck-timeout: 3s
+        healthcheck-retries: 3
+        ports:
+          - 6379:6379
+    
+    steps:
+      - name: Verify healthcheck configuration
+        run: |
+          echo "Checking Minio healthcheck..."
+          curl -f http://localhost:9000/minio/health/live || exit 1
+          echo "✅ Minio healthcheck passed"
+          
+          echo "Checking Redis healthcheck..."
+          redis-cli -h localhost ping
+          echo "✅ Redis healthcheck passed"
+      
+      - name: Inspect container healthcheck config
+        run: |
+          echo "Container health configurations:"
+          echo ""
+          echo "Minio container:"
+          docker inspect --format='Healthcheck: {{.Config.Healthcheck}}' $(docker ps -q -f "name=minio") || true
+          echo ""
+          echo "Redis container:"
+          docker inspect --format='Healthcheck: {{.Config.Healthcheck}}' $(docker ps -q -f "name=redis") || true
+    
+    volumes:
+      minio-data: