add: download ipinfo db during docker build

.github/workflows/docker-publish.yml

@@ -37,6 +37,33 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      # Fetch the ipinfo database file using curl if API key is defined
+      - name: Fetch DB from ipinfo.io
+        run: |
+          if [ -z "${{ secrets.IPINFO_APIKEY }}" ]; then
+            echo "Warning: API_KEY is not defined."
+          else
+            curl -L https://ipinfo.io/data/free/country_asn.mmdb?token=${{ secrets.IPINFO_APIKEY }} -o backend/country_asn.mmdb
+          fi
+
+
+      # Build the Docker image
+      - name: Build Docker image
+        run: |
+          docker build -t your-docker-image-name .
+
+      # Optionally push the Docker image to a registry
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Push Docker image
+        run: |
+          docker tag your-docker-image-name your-dockerhub-username/your-docker-image-name:latest
+          docker push your-dockerhub-username/your-docker-image-name:latest
+          ######################
       # Set up BuildKit Docker container builder to be able to build
       # multi-platform images and export cache
       # https://github.com/docker/setup-buildx-action