Added GH docker-image

Author: SilasCloud

.github/workflows/docker-image.yml

@@ -0,0 +1,18 @@
+name: Publish Docker image to Docker Hub
+
+on:
+  workflow_dispatch  # This allows manual triggering from GitHub UI
+
+jobs:
+  publish_images:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        
+      - name: Build image
+        run: docker build ./api/ -t echelonkay/devops-qr-code-api:latest
+        
+      - name: Push Docker image to Docker Hub
+        run: docker push echelonkay/devops-qr-code-api:latest