Add GitHub Actions workflow for Azure deployment

.github/workflows/azure-deploy.yml

@@ -0,0 +1,71 @@
+name: Build and deploy Python app to Azure Web App - TrendXbtc
+
+on:
+  push:
+    branches:
+      - main  # This triggers the workflow on every push to the main branch
+  workflow_dispatch:  # Allows you to manually trigger the workflow
+
+jobs:
+  build:
+    runs-on: ubuntu-latest  # Running on Ubuntu Linux
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4  # Checks out the code from the repository
+
+      - name: Set up Python version
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'  # Set Python version to 3.11
+
+      - name: Create and start virtual environment
+        run: |
+          python -m venv venv
+          source venv/bin/activate
+
+      - name: Install dependencies
+        run: pip install -r requirements.txt  # Installs Python dependencies
+
+      - name: Zip artifact for deployment
+        run: zip release.zip ./* -r  # Zips the project files for deployment
+
+      - name: Upload artifact for deployment jobs
+        uses: actions/upload-artifact@v4
+        with:
+          name: python-app
+          path: |
+            release.zip
+            !venv/  # Don't upload the virtual environment
+
+  deploy:
+    runs-on: ubuntu-latest
+    needs: build  # This job will run after the 'build' job
+    environment:
+      name: 'Production'
+      url: ${{ steps.deploy-to-webapp.outputs.webapp-url }}  # URL of the deployed app
+    permissions:
+      id-token: write  # Required to request the JWT for authentication
+
+    steps:
+      - name: Download artifact from build job
+        uses: actions/download-artifact@v4
+        with:
+          name: python-app  # Download the artifact created by the 'build' job
+
+      - name: Unzip artifact for deployment
+        run: unzip release.zip  # Unzips the artifact
+
+      - name: Login to Azure
+        uses: azure/login@v2  # Logs into Azure
+        with:
+          client-id: ${{ secrets.AZURE_CLIENT_ID }}
+          tenant-id: ${{ secrets.AZURE_TENANT_ID }}
+          subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
+
+      - name: Deploy to Azure Web App
+        uses: azure/webapps-deploy@v3  # Deploys to Azure Web App
+        id: deploy-to-webapp
+        with:
+          app-name: 'TrendXbtc'  # Your Azure Web App name
+          slot-name: 'Production'  # Deployment slot (usually 'Production')