diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index eeb88e6..ef7fb26 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -93,34 +93,35 @@ deploy-to-portainer:
       STACKS_JSON="$BODY"
       STACK_ID=$(echo "$STACKS_JSON" | jq ".[] | select(.Name == \"$PORTAINER_STACK_NAME\") | .Id")
 
+      # Contenu du compose rendu (une seule ligne, guillemets échappés)
+      STACK_FILE_CONTENT=$(sed 's/"/\\"/g' docker-compose.rendered.yml | tr -d '\n')
+
       if [ -z "$STACK_ID" ]; then
         echo "🆕 Aucune stack '$PORTAINER_STACK_NAME' trouvée, création en cours..."
 
+        JSON_PAYLOAD=$(jq -n \
+          --arg name "$PORTAINER_STACK_NAME" \
+          --arg content "$STACK_FILE_CONTENT" \
+          '{name: $name, stackFileContent: $content, prune: true}')
+
         curl -s -X POST "$PORTAINER_URL/api/stacks?type=2&method=string&endpointId=$PORTAINER_ENDPOINT_ID" \
           -H "X-API-Key: $PORTAINER_API_KEY" \
           -H "Content-Type: application/json" \
-          --data-binary @- <<EOF
-        {
-          "name": "$PORTAINER_STACK_NAME",
-          "stackFileContent": "$(cat docker-compose.rendered.yml | sed 's/"/\\"/g' | tr -d '\n')",
-          "prune": true
-        }
-        EOF
+          --data "$JSON_PAYLOAD"
 
         echo "✅ Stack créée."
       else
         echo "♻️ Stack '$PORTAINER_STACK_NAME' trouvée (ID=$STACK_ID), mise à jour..."
 
+        JSON_PAYLOAD=$(jq -n \
+          --arg id "$STACK_ID" \
+          --arg content "$STACK_FILE_CONTENT" \
+          '{id: ($id|tonumber), stackFileContent: $content, prune: true}')
+
         curl -s -X PUT "$PORTAINER_URL/api/stacks/$STACK_ID?endpointId=$PORTAINER_ENDPOINT_ID" \
           -H "X-API-Key: $PORTAINER_API_KEY" \
           -H "Content-Type: application/json" \
-          --data-binary @- <<EOF
-        {
-          "id": $STACK_ID,
-          "stackFileContent": "$(cat docker-compose.rendered.yml | sed 's/"/\\"/g' | tr -d '\n')",
-          "prune": true
-        }
-        EOF
+          --data "$JSON_PAYLOAD"
 
         echo "✅ Stack mise à jour."
       fi