Add GitHub Actions workflow for automated Docker Hub deployment

Co-authored-by: snow-jallen <42281341+snow-jallen@users.noreply.github.com>

.github/workflows/docker-deploy.yml

@@ -0,0 +1,28 @@
+name: Deploy to Docker Hub
+
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+    
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v2
+    
+    - name: Log in to Docker Hub
+      uses: docker/login-action@v2
+      with:
+        username: ${{ secrets.DOCKERHUB_USERNAME }}
+        password: ${{ secrets.DOCKERHUB_TOKEN }}
+    
+    - name: Make build script executable
+      run: chmod +x ./build.sh
+    
+    - name: Build and push Docker image
+      run: ./build.sh -t -p