diff --git a/.gitea/workflows/006_passing_files.yaml b/.gitea/workflows/006_passing_files.yaml
index 9fe4f9b..d6d34a9 100644
--- a/.gitea/workflows/006_passing_files.yaml
+++ b/.gitea/workflows/006_passing_files.yaml
@@ -10,7 +10,7 @@ jobs:
       - name: Checkout source code 
         uses: actions/checkout@v4
 
-      - name: Install Python 3.10 # Setup Python inside the runner
+      - name: Install Python 3.10.12 # Setup Python inside the runner
         uses: actions/setup-python@v4
         with:
           python-version: '3.10.12'
diff --git a/backend/tox.ini b/backend/tox.ini
new file mode 100644
index 0000000..b679e45
--- /dev/null
+++ b/backend/tox.ini
@@ -0,0 +1,54 @@
+[flake8]
+max-line-length = 100
+
+[tox]
+skipsdist = True
+skip_missing_interpreters = True
+envlist = fmt, lint, unit, integration
+
+[vars]
+all_path = {[vars]src_path} {[vars]tst_path}
+src_path = {toxinidir}
+tst_path = {toxinidir}/tests/
+
+[testenv]
+passenv =
+    PYTHONPATH
+    CHARM_BUILD_DIR
+    MODEL_SETTINGS
+    KUBECONFIG
+setenv =
+    PYTHONPATH = {toxinidir}:{toxinidir}/lib:{[vars]src_path}
+    PYTHONBREAKPOINT=ipdb.set_trace
+    PY_COLORS=1
+
+[testenv:fmt]
+commands =
+    isort {[vars]all_path}
+    black {[vars]all_path}
+deps =
+    -r requirements-fmt.txt
+description = Apply coding style standards to code
+
+[testenv:lint]
+commands =
+    codespell {toxinidir}/. --skip {toxinidir}/.git --skip {toxinidir}/.tox \
+      --skip {toxinidir}/build --skip {toxinidir}/lib --skip {toxinidir}/venv \
+      --skip {toxinidir}/.mypy_cache \
+      --skip {toxinidir}/icon.svg --skip *.json.tmpl
+    # pflake8 wrapper supports config from pyproject.toml
+    pflake8 {[vars]all_path}
+    isort --check-only --diff {[vars]all_path}
+    black --check --diff {[vars]all_path}
+deps =
+    -r requirements-lint.txt
+description = Check code against coding style standards
+
+[testenv:unit]
+commands =
+    coverage run --source={[vars]src_path} \
+        -m pytest -vv --tb native {posargs}
+    coverage report
+deps =
+    -r requirements-unit.txt
+description = Run unit tests
\ No newline at end of file