Create python-app.yml

.github/workflows/python-app.yml

@@ -0,0 +1,40 @@
+# This workflow will install Python dependencies, run tests and lint with a single version of Python
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
+
+name: Deploy to Heroku
+
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.8
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.8
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install pipreqs
+    - name: Update requirements.txt
+      run: pipreqs --print . | sort > requirements.txt
+    - name: Check Git changes
+      run: test "$(git diff --stat)" = ""
+  
+  deploy:
+    needs: [build]
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: akhileshns/heroku-deploy@v3.8.9
+      with:
+        heroku_api_key: ${{secrets.HEROKU_API_KEY}}
+        heroku_app_name: streamlit-webrtc-example
+        heroku_email: ${{ secrets.HEROKU_EMAIL }}
+