CD tornado: seup CD pipeline for tornado server deplymed to azure.

Author: jitendra-ky

.github/workflows/deploy_tornado.yml

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+name: Deploy Tornado WebSocket Server
+
+on:
+  push:
+    branches:
+      - 'main'
+  workflow_dispatch:
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      # Step 1: Checkout the repository
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      # Step 2: Set up Docker Buildx for building images
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      # Step 3: Log in to Docker Hub using credentials stored in GitHub secrets
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_TOKEN }}
+
+      # Step 4: Build and tag the Docker image
+      - name: Build and tag Docker image
+        run: |
+          docker build -f ./tools/dockerfiles/Dockerfile.tornado -t jitenky/dragonfly-tornado:latest .
+
+      # Step 5: Push the Docker image to Docker Hub
+      - name: Push Docker image to Docker Hub
+        run: |
+          docker push jitenky/dragonfly-tornado:latest
+
+      - name: Log in to Azure
+        uses: azure/login@v1
+        with:
+          creds: ${{ secrets.AZURE_CREDENTIALS }}
+
+      - name: Restart Azure App Service
+        run: |
+          az webapp restart --name dragonfly-tornado-2 --resource-group dragonfly

tools/dockerfiles/Dockerfile.tornado

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+# Use official Python image as a base
+FROM python:3.10
+
+# Set environment variables
+ENV PYTHONUNBUFFERED=1
+
+# Set the working directory inside the container
+WORKDIR /app
+
+# Copy requirements and install dependencies
+COPY requirements/production.txt requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of the application code
+COPY . .
+
+# Expose port 8888 for Tornado WebSocket server
+EXPOSE 8888
+
+# Run the Tornado server
+CMD ["python", "zserver/tornado/server.py"]