Add Docker image publishing to workflow

This update enhances the existing GitHub Actions workflow by introducing steps to build, tag, and push a Docker image alongside the Python package. The Docker image is built from the repository, tagged, and pushed to Docker Hub, ensuring continuous deployment and consistency across environments.

.github/workflows/publish.yml

@@ -1,4 +1,4 @@
-name: Publish Python Package
+name: Publish Python Package and Docker Image
 
 on:
   push:
@@ -28,4 +28,27 @@ jobs:
           PYPI_TOKEN: ${{ secrets.PYPI_TOKEN }}
         run: |
           python setup.py sdist bdist_wheel
-          twine upload dist/* -u __token__ -p $PYPI_TOKEN
+          twine upload dist/* -u __token__ -p $PYPI_TOKEN
+
+  docker:
+    runs-on: ubuntu-latest
+    needs: release
+
+    steps:
+      - name: Check out the repository
+        uses: actions/checkout@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Build Docker image
+        run: docker build -t pyforestscan .
+
+      - name: Tag Docker image
+        run: docker tag pyforestscan iosefa/pyforestscan:latest
+
+      - name: Push Docker image
+        run: docker push iosefa/pyforestscan:latest