diff --git a/.github/workflows/unit.yaml b/.github/workflows/unit.yaml
new file mode 100644
index 0000000..680e8c7
--- /dev/null
+++ b/.github/workflows/unit.yaml
@@ -0,0 +1,28 @@
+name: Build
+# To test with act: gh act --secret-file $ENV_FILE --workflows .github/workflows/unit.yml
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+env:
+  EARTHENGINE_TOKEN: ${{ secrets.EARTHENGINE_TOKEN }}
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python "3.10"
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.10"
+      - name: Install sepal_ui
+        run: python -m pip install "git+https://github.com/12rambau/sepal_ui.git@sepal_pre_release"
+      - name: Build with sepal_ui venv
+        run: module_venv
+      - name: Install nox
+        run: python -m pip install nox
+      - name: set entry point and run tests
+        run: nox -s test_ui
diff --git a/.gitignore b/.gitignore
index a1a6131..5d7cd9b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,8 @@
 __pycache__/
 *.py[cod]
 *$py.class
-
+*nox_ui.ipynb
+*Untitled*
 # C extensions
 *.so
 
diff --git a/noxfile.py b/noxfile.py
new file mode 100644
index 0000000..08bf258
--- /dev/null
+++ b/noxfile.py
@@ -0,0 +1,77 @@
+"""All the process that can be run using nox.
+
+The nox run are build in isolated environment that will be stored in .nox. to force the venv update, remove the .nox/xxx folder.
+"""
+
+from pathlib import Path
+import nbformat
+from nbconvert.preprocessors import ExecutePreprocessor
+from jupyter_client.kernelspec import KernelSpecManager
+import nox
+
+
+@nox.session(reuse_venv=True)
+def lint(session):
+    """Apply the pre-commits."""
+    session.install("pre-commit")
+    session.run("pre-commit", "run", "--a", *session.posargs)
+
+
+@nox.session(reuse_venv=True)
+def app(session):
+    """Run the application."""
+
+    entry_point = str(Path("ui.ipynb"))
+
+    # Duplicate the entry point file
+    session.run("cp", entry_point, "nox_ui.ipynb")
+
+    # change the kernel name in the entry point
+    session.run("entry_point", "--test", "nox_ui.ipynb")
+
+    session.run("jupyter", "trust", entry_point)
+    session.run(
+        "voila", "--show_tracebacks=True", "--template=sepal-ui-base", "nox_ui.ipynb"
+    )
+
+
+@nox.session()
+def test_ui(session):
+    """Run the application."""
+
+    ksm = KernelSpecManager()
+    kernel_names = list(ksm.get_all_specs())
+    print(kernel_names)
+
+    # get the current path
+    root_folder = Path(__file__).parent
+    repo_name = root_folder.name
+
+    # Copy the ui.ipynb to test_ui.ipynb
+    session.run("cp", root_folder / "ui.ipynb", root_folder / "nox_ui.ipynb")
+
+    session.run("entry_point", "--test", root_folder / "nox_ui.ipynb")
+
+    test_notebooks = [root_folder / "nox_ui.ipynb"]
+
+    for notebook in test_notebooks:
+        with open(notebook) as ff:
+            nb_in = nbformat.read(ff, nbformat.NO_CONVERT)
+
+        print("Running notebook", notebook)
+
+        try:
+            ep = ExecutePreprocessor(timeout=600, kernel_name=f"test-{repo_name}")
+
+            nb_out = ep.preprocess(nb_in)
+        except Exception as e:
+            print("########### Error running notebook", notebook)
+            raise e
+
+
+@nox.session(reuse_venv=True)
+def jupyter(session):
+    """Run the application."""
+    session.install("-r", "requirements.txt")
+    session.run("jupyter", "trust", "no_ui.ipynb")
+    session.run("jupyter", "notebook", "no_ui.ipynb")
diff --git a/requirements.txt b/requirements.txt
index 7b4f960..e3d5c1e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,3 +6,6 @@ sepal_ui==2.17
 # custom libs
 rasterio
 numpy
+
+
+# trigger build
diff --git a/ui.ipynb b/ui.ipynb
index 583fbea..62524fd 100644
--- a/ui.ipynb
+++ b/ui.ipynb
@@ -148,8 +148,9 @@
   }
  ],
  "metadata": {
+  "title": "GuidosToolbox Workbench (GWB) Analysis",
   "kernelspec": {
-   "display_name": " (venv) GWB Analysis",
+   "display_name": " (venv) gwb",
    "language": "python",
    "name": "venv-gwb"
   },
@@ -171,4 +172,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 4
-}
+}
\ No newline at end of file