diff --git a/.flake8 b/.flake8
new file mode 100644
index 0000000..ef9877f
--- /dev/null
+++ b/.flake8
@@ -0,0 +1,2 @@
+[flake8]
+per-file-ignores = tests/*:S101
diff --git a/Makefile b/Makefile
index 495bdb3..3493d34 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-.PHONY: clean clean-test clean-pyc clean-build docs help
+.PHONY: clean coverage coverall devenv install lint prepareenv repo test testall testfunctional tox
 .DEFAULT_GOAL := help
 
 define BROWSER_PYSCRIPT
@@ -54,7 +54,7 @@ lint: ## reformat with black and check style with flake8
 	isort src
 	isort tests
 	black src tests
-	flake8 --ignore E231,W503,E402 src 
+	flake8 --ignore E231,W503,E402 src
 	flake8 --ignore S101 tests
 
 test: lint ## run tests quickly, stop on first error
@@ -82,13 +82,16 @@ tox:  ## run fully isolated tests with tox
 install:  ## install updated project.toml with flint
 	flit install --pth-file
 
-devenv: ## setup development environment
+prepareenv: ## setup virtual environment and install packages
 	python3 -m venv --prompt sensospot .venv
 	.venv/bin/pip3 install --upgrade pip
 	.venv/bin/pip3 install "flit>3.2"
 	.venv/bin/flit install --pth-file
 
-repo: devenv ## complete project setup with development environment and git repo
+devenv: prepareenv ## setup development environment including precommit hooks
+	.venv/bin/pre-commit install --install-hooks
+
+repo: prepareenv ## complete project setup with development environment and git repo
 	git init .
 	git add .
 	git commit -m "import of project template"