add CICD (#19)

.github/workflows/deploy_backend.yml

@@ -0,0 +1,33 @@
+name: Deploy to Server
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    environment: deployTest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Set up SSH
+      uses: webfactory/[email protected]
+      with:
+        ssh-private-key: ${{ secrets.POLYHISTOR_PRIVATE_KEY }}
+
+    - name: Deploy to server
+      env:
+        SSH_HOST: ${{ secrets.POLYHISTOR_SSH_HOST }}
+        SSH_USER: ${{ secrets.POLYHISTOR_SSH_USER }}
+        SSH_PORT: ${{ secrets.POLYHISTOR_SSH_PORT }}
+      run: |
+        ssh -o StrictHostKeyChecking=no -p $SSH_PORT $SSH_USER@$SSH_HOST << 'EOF'
+          cd polyhistor
+          git pull origin main
+          chmod +x deploy.sh
+          ./deploy.sh
+
+        EOF

deploy.sh

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+sudo docker stop polyhistor_backend_1
+echo y | sudo docker system prune
+sudo docker-compose up --force-recreate -d --build backend