Add Deploy to DockerHub workflow

.github/workflows/dockerhub-deploy.yml

@@ -0,0 +1,61 @@
+name: Deploy to DockerHub
+
+on:
+  workflow_dispatch:
+    inputs:
+      docker_username:
+        description: 'DockerHub Username'
+        required: true
+        type: string
+
+      # TODO ask admins to configure GitHub Secrets
+      docker_password:
+        description: 'DockerHub Password'
+        required: true
+        type: string
+
+      image_tag:
+        description: 'Docker Image Tag'
+        required: true
+        type: string
+
+jobs:
+  dockerhub-deploy:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        platform: [linux/amd64, linux/arm64]
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Build Docker image
+        run: |
+          docker buildx build --load \
+            --platform ${{ matrix.platform }} \
+            -t cfpq/py_algo:${{ github.event.inputs.image_tag }}-${{ matrix.platform }} \
+            .
+
+      - name: Run tests
+        run: |
+          docker run --rm \
+            cfpq/py_algo:${{ github.event.inputs.image_tag }}-${{ matrix.platform }} bash -c "
+              echo 'System Info:';
+              uname -a;
+              pytest test -v -m 'CI'"
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ github.event.inputs.docker_username }}
+          password: ${{ github.event.inputs.docker_password }}
+
+      - name: Push Docker image
+        run: |
+          docker buildx build --push \
+            --platform ${{ matrix.platform }} \
+            -t cfpq/py_algo:${{ github.event.inputs.image_tag }} \
+            .