ci: complete CI/CD workflow documentation

q3-cicd/ghaymah-ci.yml

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+name: ghaymah_exam CI/CD
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+  packages: write
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: ./q1-deploy-monitor
+          file: ./q1-deploy-monitor/Dockerfile
+          push: true
+          tags: |
+            ghcr.io/${{ github.repository_owner }}/ghaymah-exam-ahmednasser-sre:latest
+            ghcr.io/${{ github.repository_owner }}/ghaymah-exam-ahmednasser-sre:${{ github.sha }}
+
+  deploy-production:
+    name: Deploy to Production
+    needs: build-and-push
+    runs-on: ubuntu-latest
+
+    environment:
+      name: production
+
+    steps:
+      - name: Deploy application
+        run: |
+          echo "Deploying image to production..."