Update the makefile with some commands form other projects and added …

…`make help`

Makefile

@@ -1,12 +1,50 @@
+.PHONY: help
+help:
+	@echo "Please use 'make <target>' where <target> is one of"
+	@echo "  deps                 to install dependencies for local development"
+	@echo "  clean                to clean up environment"
+	@echo "  lint                 runs linting on all the files using Ruff"
+	@echo "  tests                to run tests"
+	@echo "  coverage             to run code coverage"
+	@echo "  install-poetry       installs the correct version poetry"
+	@echo "  uninstall-poetry     uninstalls poetry if things go wrong."
+	@echo "  tree                 Produces and ASCII directory tree to provide AI bots with context of the project."
+	@echo "  showoutdatedpackages Ask poetry for a list of top-level packages that can be updated."
+
 .PHONY: deps
 deps:
+	poetry env remove 3.9
 	poetry env use 3.9
 	poetry install
 
+.PHONY: lint
+lint:
+	poetry run pre-commit run --all-files
+
+.PHONY: clean
+clean:
+	rm -rf .tox/ .pytest_cache/ dist/ htmlcov/ .coverage coverage.xml db.sqlite3
+	find . -type f -name "*.pyc" -delete
+
 .PHONY: tests
-tests: deps
+tests: coverage
+	# ensure that `docker compose up` is running to start the redis server before
+	# running these tests.
 	poetry run tox $(pytest_args)
-	#poetry run pytest --no-migrations
+
+.PHONY: coverage
+coverage: lint
+	poetry run py.test --cov=idempotency_key tests/ --cov-report html
+	@echo Access the report here:
+	@echo file://${PWD}/htmlcov/index.html
+
+.PHONY: install-poetry
+install-poetry:
+	curl -sSL https://install.python-poetry.org | python3 -
+
+.PHONY: uninstall-poetry
+uninstall-poetry:
+	curl -sSL https://install.python-poetry.org | python3 - --uninstall
 
 .PHONY: tree
 tree: