add CI workflow

.github/workflows/main.yml

@@ -0,0 +1,61 @@
+name: CI/CD Pipeline
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.9'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+
+      - name: Run tests
+        run: pytest
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v2
+        with:
+          push: true
+          tags: ${{ secrets.DOCKER_USERNAME }}/web-scraping:latest
+
+      - name: Deploy to EC2
+        env:
+          EC2_SSH_KEY: ${{ secrets.EC2_SSH_KEY }}
+          EC2_HOST: ${{ secrets.EC2_HOST }}
+          EC2_USER: ${{ secrets.EC2_USER }}
+          EC2_PORT: ${{ secrets.EC2_PORT }}
+        run: |
+          echo "${EC2_SSH_KEY}" > key.pem
+          chmod 600 key.pem
+          ssh -o StrictHostKeyChecking=no -i key.pem ${EC2_USER}@${EC2_HOST} -p ${EC2_PORT} << 'EOF'
+            docker pull ${{ secrets.DOCKER_USERNAME }}/web-scraping:latest
+            docker stop web-scraping || true
+            docker rm web-scraping || true
+            docker run -d -p 3000:3000 --name web-scraping ${{ secrets.DOCKER_USERNAME }}/web-scraping:latest
+          EOF