👷ci: EC2 배포용 GitHub Actions 워크플로우 추가

Author: codewith-MJ

.github/workflows/deploy.yml

@@ -0,0 +1,43 @@
+name: Deploy to EC2
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup SSH
+        run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.EC2_SSH_KEY }}" > ~/.ssh/id_rsa
+          chmod 600 ~/.ssh/id_rsa
+          ssh-keyscan -H ${{ secrets.EC2_HOST }} >> ~/.ssh/known_hosts
+
+      - name: Deploy to EC2
+        run: |
+          ssh ${{ secrets.EC2_USER }}@${{ secrets.EC2_HOST }} << 'EOF'
+            set -e
+            cd ~/ssakssak-commit
+
+            echo "📦 Pull latest code"
+            git pull origin main
+
+            echo "📦 Install dependencies"
+            npm ci
+
+            echo "🏗 Build Next.js"
+            npm run build
+
+            echo "🚀 Reload PM2 apps"
+            pm2 reload next-app || pm2 start npm --name "next-app" -- run start -- --port 3000
+            pm2 reload ssakssak-worker || pm2 start npm --name "ssakssak-worker" -- run worker:start
+
+            pm2 save
+          EOF