automatically push to dockerhub

.github/workflows/docker-build-push.yml

@@ -0,0 +1,31 @@
+name: Docker Build & Push (Tags Only)
+
+on:
+  push:
+    tags:
+      - 'v*'  # triggers for version tag pushed
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+
+    steps:
+      # Step 1: Check out the repository
+      - name: Check out code
+        uses: actions/checkout@v3
+
+      # Step 2: Log in to Docker Hub
+      - name: Log in to Docker Hub
+        run: echo "${{ secrets.DOCKERHUB_TOKEN }}" | docker login -u meehow --password-stdin
+
+      # Step 3: Build the Docker image
+      - name: Build Docker image
+        run: |
+          docker build -t meehow/privtracker:latest \
+                       -t meehow/privtracker:${{ github.ref_name }} .
+
+      # Step 4: Push the Docker image
+      - name: Push Docker image
+        run: |
+          docker push meehow/privtracker:latest
+          docker push meehow/privtracker:${{ github.ref_name }}