From c88848663520ce166f1b44d603087120cd5a9e64 Mon Sep 17 00:00:00 2001
From: kjh2064 <kjh2064@gmail.com>
Date: Mon, 29 Jun 2026 10:55:40 +0900
Subject: [PATCH] refactor(deploy): minimize downtime and fix health check
 subpath (CLAUDE.md guidelines)

---
 .gitea/workflows/deploy-prod.yml | 28 ++++++++++++----------------
 1 file changed, 12 insertions(+), 16 deletions(-)

diff --git a/.gitea/workflows/deploy-prod.yml b/.gitea/workflows/deploy-prod.yml
index 2fd5214..fcfaa1c 100644
--- a/.gitea/workflows/deploy-prod.yml
+++ b/.gitea/workflows/deploy-prod.yml
@@ -107,20 +107,15 @@ jobs:
         chmod 600 ~/.ssh/id_ed25519
         ssh-keyscan -H ${{ env.DEPLOY_HOST }} >> ~/.ssh/known_hosts 2>/dev/null || true
 
-    - name: Stop Service and Create Backup
+    - name: Create Backup
       run: |
-        echo "📦 Stopping service and creating backup..."
+        echo "📦 Creating backup of current deployment..."
         ssh -i ~/.ssh/id_ed25519 ${{ env.DEPLOY_USER }}@${{ env.DEPLOY_HOST }} << 'EOF'
           set -e
           BACKUP_DIR="/home/kjh2064/quantengine_backup"
           BACKUP_NAME="quantengine_$(date +%Y%m%d_%H%M%S)"
 
-          # Stop service
-          echo "⏹️ Stopping quantengine service..."
-          sudo systemctl stop ${{ env.SERVICE_NAME }}
-          sleep 2
-
-          # Create backup
+          # Create backup without stopping the service (minimize downtime)
           mkdir -p $BACKUP_DIR
           if [ -d ${{ env.DEPLOY_PATH }} ]; then
             cp -r ${{ env.DEPLOY_PATH }} "$BACKUP_DIR/$BACKUP_NAME"
@@ -184,19 +179,20 @@ jobs:
           rm -rf /tmp/quant-deploy
         EOF
 
-    - name: Start Service
+    - name: Restart Service
       run: |
-        echo "🔄 Starting quantengine service..."
+        echo "🔄 Restarting quantengine service to apply changes (Downtime minimal)..."
         ssh -i ~/.ssh/id_ed25519 ${{ env.DEPLOY_USER }}@${{ env.DEPLOY_HOST }} << 'EOF'
           set -e
 
-          # Start service
-          sudo systemctl start ${{ env.SERVICE_NAME }}
+          # Restart service
+          echo "⏹️ Restarting quantengine service..."
+          sudo systemctl restart ${{ env.SERVICE_NAME }}
           sleep 3
 
           # Check status
           if sudo systemctl is-active --quiet ${{ env.SERVICE_NAME }}; then
-            echo "✅ ${{ env.SERVICE_NAME }} started successfully"
+            echo "✅ ${{ env.SERVICE_NAME }} restarted successfully"
             sudo systemctl status ${{ env.SERVICE_NAME }} | head -5
           else
             echo "❌ ${{ env.SERVICE_NAME }} failed to start"
@@ -209,13 +205,13 @@ jobs:
       run: |
         echo "🧪 Running health checks..."
 
-        # Wait for service to be ready (localhost:5000 through Nginx)
+        # Wait for service to be ready (localhost:5000/quant/ through Nginx/Kestrel)
         for i in {1..30}; do
           HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" \
-            "http://127.0.0.1:5000/" || echo "000")
+            "http://127.0.0.1:5000/quant/" || echo "000")
 
           if [ "$HTTP_CODE" = "200" ]; then
-            echo "✅ Health check passed (HTTP $HTTP_CODE at localhost:5000)"
+            echo "✅ Health check passed (HTTP $HTTP_CODE at localhost:5000/quant/)"
             break
           fi