diff --git a/.gitea/workflows/dev.yml b/.gitea/workflows/dev.yml
index ea4c1a3..6d38e21 100644
--- a/.gitea/workflows/dev.yml
+++ b/.gitea/workflows/dev.yml
@@ -48,5 +48,9 @@ jobs:
         env:
           REGISTRY: git.4nkweb.com
         run: |
-          DOCKER_TAG=$(git rev-parse --abbrev-ref HEAD)
+          BR=$(git rev-parse --abbrev-ref HEAD)
+          # garde la dernière composante après '/'
+          DOCKER_TAG=${BR##*/}
+          # normalise en minuscules et remplace les chars invalides par '-'
+          DOCKER_TAG=$(printf "%s" "$DOCKER_TAG" | tr '[:upper:]' '[:lower:]' | sed 's/[^a-z0-9_.-]/-/g')
           bash scripts/build_and_push.sh "$DOCKER_TAG"
diff --git a/scripts/build_and_push.sh b/scripts/build_and_push.sh
index 39d9bd2..69acf50 100644
--- a/scripts/build_and_push.sh
+++ b/scripts/build_and_push.sh
@@ -73,7 +73,7 @@ for name in "${submodules[@]}"; do
     log_file="${LOG_DIR}/${image_name_variant}.log"
     echo "[docker] build ${full_ref_variant} depuis ${df_dir} (branche ${branch}) | log: ${log_file}"
     {
-      echo "== BUILD ${full_ref_variant} =="
+      echo "== BUILD+PUSH ${full_ref_variant} =="
       echo "context=${df_dir} dockerfile=${df}"
       date -Is
       docker buildx build \
@@ -82,16 +82,10 @@ for name in "${submodules[@]}"; do
         --progress=plain \
         --file "${df}" \
         --tag "${full_ref_variant}" \
+        --push \
         "${df_dir}"
     } 2>&1 | tee -a "${log_file}"
 
-    echo "[docker] push ${full_ref_variant} | log: ${log_file}"
-    {
-      echo "== PUSH ${full_ref_variant} =="
-      date -Is
-      docker push "${full_ref_variant}"
-    } 2>&1 | tee -a "${log_file}"
-
     echo "${full_ref_variant} ${log_file}" >> "${SUMMARY_FILE}"
   done
 done