add sha_short as tag of the images

action.yml

@@ -20,6 +20,14 @@ inputs:
 runs:
   using: "composite"
   steps:
+    - uses: actions/checkout@v5
+      with:
+        fetch-depth: 0
+
+    - name: get commit hash 
+      id: get_hash
+      run: echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
+
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v2
 
@@ -35,14 +43,14 @@ runs:
       with:
         context: "{{defaultContext}}:${{ input.path }}"
         push: true
-        tags: git.tmoron.fr/${{ inputs.name }}:latest
+        tags: git.tmoron.fr/${{ inputs.name }}:${{ steps.get_hash.outputs.sha_short }}
 
     - name: push to latest branch
       run: | 
-        if ! git ls-remote --exit-code --heads origin latest; then
+        if git ls-remote --exit-code --heads origin latest; then
-            git checkout -b latest
-            git push origin latest
-        else
             git switch latest
-            git merge latest
+            git merge master 
+        else
+            git checkout -b latest
         fi
+        git push origin latest