Add CI/CD workflows for building and deploying Docker images to Kubernetes

.github/workflows/ci.yml

@@ -0,0 +1,60 @@
+# Continuous Integration Workflow
+# This workflow builds and pushes Docker images to your private registry
+# Trigger: Manual dispatch only
+
+name: CI - Build and Push
+
+# Trigger configuration - manual dispatch only
+on:
+  workflow_dispatch:
+    inputs:
+      image_tag:
+        description: 'Docker image tag (e.g., latest, v1.0.0)'
+        required: false
+        default: 'latest'
+        type: string
+
+# Environment variables available to all jobs
+env:
+  CONTAINER_REGISTRY_URL: ${{ secrets.CONTAINER_REGISTRY_URL }}
+  CONTAINER_REGISTRY_USERNAME: ${{ secrets.CONTAINER_REGISTRY_USERNAME }}
+  CONTAINER_REGISTRY_NAMESPACE: ${{ secrets.CONTAINER_REGISTRY_NAMESPACE }}
+  CONTAINER_REGISTRY_PASSWORD: ${{ secrets.CONTAINER_REGISTRY_PASSWORD }}
+  CONTAINER_IMAGE_NAME: ${{ secrets.CONTAINER_IMAGE_NAME }}
+  CONTAINER_IMAGE_TAG: ${{ inputs.image_tag || 'latest' }}
+
+jobs:
+  build-and-push:
+    name: Build and Push Docker Image
+    runs-on: ubuntu-latest
+    
+    steps:
+      # Step 1: Checkout code from repository
+      - name: Checkout code
+        uses: actions/checkout@v4
+      
+      # Step 2: Set up Docker Buildx (for advanced Docker builds)
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      
+      # Step 3: Make CI script executable
+      - name: Make CI script executable
+        run: chmod +x script/ci.sh
+      
+      # Step 4: Build Docker image
+      - name: Build Docker image
+        run: ./script/ci.sh build
+      
+      # Step 5: Push Docker image to registry
+      - name: Push Docker image
+        run: ./script/ci.sh push
+      
+      # Step 6: Output summary
+      - name: Summary
+        run: |
+          echo "### :rocket: Build Complete!" >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "**Image:** \`${CONTAINER_REGISTRY_URL}/${CONTAINER_REGISTRY_NAMESPACE}/${CONTAINER_IMAGE_NAME}:${CONTAINER_IMAGE_TAG}\`" >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "**Registry:** ${CONTAINER_REGISTRY_URL}" >> $GITHUB_STEP_SUMMARY
+          echo "**Tag:** ${CONTAINER_IMAGE_TAG}" >> $GITHUB_STEP_SUMMARY