Fix: Update the env variable names

Author: darestack

.github/workflows/release.yml

@@ -16,7 +16,12 @@ jobs:
         run: |
           echo "EC2_HOST=${{ secrets.PROD_EC2_HOST }}" >> $GITHUB_ENV
           echo "EC2_USER=${{ secrets.PROD_EC2_USER }}" >> $GITHUB_ENV
-          echo "EC2_KEY=${{ secrets.PROD_EC2_KEY }}" >> $GITHUB_ENV
+          # Multi-line key handling
+          {
+            echo 'EC2_KEY<<EOF'
+            echo "${{ secrets.PROD_EC2_KEY }}"
+            echo 'EOF'
+          } >> $GITHUB_ENV
           echo "ENV_NAME=production" >> $GITHUB_ENV
 
       - name: Create deployment package