fix: health check uses node fetch instead of wget

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

.gitea/workflows/deploy.yml

@@ -43,7 +43,7 @@ jobs:
         run: |
           echo "Waiting for container to start..."
           for i in $(seq 1 15); do
-            if docker exec oma-memorial wget -q --spider http://localhost:3000 2>/dev/null; then
+            if docker exec oma-memorial node -e "fetch('http://localhost:3000/api/candles').then(r=>{process.exit(r.ok?0:1)}).catch(()=>process.exit(1))" 2>/dev/null; then
               echo "Container is healthy!"
               exit 0
             fi