Rollback cd.yml

Author: bkw535

.github/workflows/cd.yml

@@ -1,30 +1,102 @@
-name: CI
+name: CD
 
 on:
-  pull_request:
-    branches: [develop]
+  push:
+    branches:
+      - develop
+  workflow_dispatch:
 
 jobs:
-  build-and-push:
+  deploy:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
-      - name: Log in to Docker Hub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ secrets.DOCKER_HUB_USERNAME }}
-          password: ${{ secrets.DOCKER_HUB_TOKEN }}
-
-      - name: Build and push Docker image
-        uses: docker/build-push-action@v5
-        with:
-          context: .
-          file: ./Dockerfile
-          push: true
-          tags: ${{ secrets.DOCKER_HUB_USERNAME }}/commit-api:latest
+      - name: Configure SSH
+        run: |
+          mkdir -p ~/.ssh
+          echo "$EC2_SSH_KEY" > ~/.ssh/id_rsa
+          chmod 600 ~/.ssh/id_rsa
+          ssh-keyscan -H $EC2_HOST >> ~/.ssh/known_hosts
+          cat >> ~/.ssh/config <<EOF
+          Host ec2
+            HostName $EC2_HOST
+            User ubuntu
+            IdentityFile ~/.ssh/id_rsa
+            StrictHostKeyChecking no
+          EOF
+        env:
+          EC2_HOST: ${{ secrets.EC2_HOST }}
+          EC2_SSH_KEY: ${{ secrets.EC2_SSH_KEY }}
+
+      - name: Create .env on EC2
+        run: ssh ec2 "echo '$ENV_FILE' > /opt/app/.env"
+        env:
+          ENV_FILE: ${{ secrets.ENV_FILE }}
+
+      - name: Deploy with Blue-Green
+        run: |
+          ssh ec2 "DOCKER_HUB_USERNAME=${{ secrets.DOCKER_HUB_USERNAME }} bash -s" <<'EOF'
+
+          echo "📦 Pulling latest image..."
+          docker pull $DOCKER_HUB_USERNAME/commit-api:latest
+
+          echo "🔍 Checking current active environment..."
+          if docker exec nginx-proxy test -f /etc/nginx/conf.d/default.conf; then
+            CURRENT=$(docker exec nginx-proxy readlink -f /etc/nginx/conf.d/default.conf | xargs basename)
+          else
+            echo "❌ Cannot determine current config. Exiting."
+            exit 1
+          fi
+
+          if echo "$CURRENT" | grep -q "blue"; then
+            TARGET_COLOR=green
+            TARGET_PORT=3001
+            TARGET_CONF=/etc/nginx/conf.d/default-green.conf.disabled
+          else
+            TARGET_COLOR=blue
+            TARGET_PORT=3000
+            TARGET_CONF=/etc/nginx/conf.d/default-blue.conf.disabled
+          fi
+
+          echo "🚀 Deploying to $TARGET_COLOR container on port $TARGET_PORT..."
+          docker rm -f node-app-$TARGET_COLOR 2>/dev/null || true
+
+          docker run -d \
+            --name node-app-$TARGET_COLOR \
+            --env-file /opt/app/.env \
+            -p $TARGET_PORT:3000 \
+            --network=commit-networks \
+            -v /opt/app/config/service-account-key.json:/app/config/service-account-key.json:ro \
+            $DOCKER_HUB_USERNAME/commit-api:latest
+
+          echo "⏳ Health check for $TARGET_COLOR..."
+          for i in {1..10}; do
+            sleep 2
+            if curl -s http://localhost:$TARGET_PORT/health | grep "ok" > /dev/null; then
+              echo "✅ Health check passed. Switching traffic..."
+
+              # Switch nginx config inside container
+              docker exec nginx-proxy cp $TARGET_CONF /etc/nginx/conf.d/default.conf
+              echo "📋 Switched nginx config to: $TARGET_CONF"
+
+              docker exec nginx-proxy nginx -s reload
+              echo "🔄 Nginx reloaded"
+
+              # Remove previous container
+              if [ "$TARGET_COLOR" = "blue" ]; then
+                docker rm -f node-app-green || true
+              else
+                docker rm -f node-app-blue || true
+              fi
+
+              exit 0
+            else
+              echo "⚠️ Health check attempt $i failed."
+            fi
+          done
+
+          echo "❌ Health check failed. Rolling back..."
+          docker rm -f node-app-$TARGET_COLOR || true
+          exit 1
+
+          EOF