diff --git a/Jenkinsfile b/Jenkinsfile
index 8d4d8c2..ecd3c7b 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -152,7 +152,7 @@ pipeline {
             }
         }
 
-        stage('Déploiement DEV') {
+       stage('Déploiement DEV') {
             steps {
                 sh '''
                     REGISTRY="${REGISTRY}" \
@@ -167,23 +167,41 @@ pipeline {
                     echo "Attente du backend DEV..."
 
                     for i in $(seq 1 30); do
-                      if curl -fsS http://localhost:5001/ >/dev/null; then
+                      if docker run --rm \
+                        --network tiptop-dev \
+                        curlimages/curl:8.12.1 \
+                        -fsS http://backend:5000/ >/dev/null; then
+
                         echo "Backend DEV opérationnel."
                         break
                       fi
 
                       if [ "$i" -eq 30 ]; then
+                        echo "Le backend DEV ne répond pas."
+
+                        docker compose \
+                          -p tiptop-dev \
+                          -f deploy/dev/docker-compose.yml \
+                          ps
+
                         docker compose \
                           -p tiptop-dev \
                           -f deploy/dev/docker-compose.yml \
                           logs --tail=100
+
                         exit 1
                       fi
 
                       sleep 5
                     done
 
-                    curl -fsS http://localhost:5173/ >/dev/null
+                    echo "Vérification du frontend DEV..."
+
+                    docker run --rm \
+                      --network tiptop-dev \
+                      curlimages/curl:8.12.1 \
+                      -fsS http://frontend/ >/dev/null
+
                     echo "Frontend DEV opérationnel."
                 '''
             }
diff --git a/deploy/dev/docker-compose.yml b/deploy/dev/docker-compose.yml
index 95a170f..8602afa 100644
--- a/deploy/dev/docker-compose.yml
+++ b/deploy/dev/docker-compose.yml
@@ -67,6 +67,7 @@ services:
 
 volumes:
   tiptop_postgres_dev_data:
+    external: true
     name: the-tip-top_tiptop_postgres_dev_data
 
 networks: