feat: add extremely basic /health endpoint (#396)

* Add extremely basic /health endpoint

* Replace robot-sounds with Ok.

* add test case for /health endpoint

* Apply suggestion to _app.py:
- remove dot from Ok response in health endpoint

* Fix tests for the health endpoint

* Formatting _app.py

pypiserver/_app.py

@@ -82,6 +82,11 @@ def log_error(http_error):
     log.info(config.log_err_frmt, vars(http_error))
 
 
+@app.route("/health")
+def health():
+    return "Ok"
+
+
 @app.route("/favicon.ico")
 def favicon():
     return HTTPError(404)

tests/test_app.py

@@ -188,6 +188,12 @@ def test_packages_empty(testapp):
     assert len(resp.html("a")) == 0
 
 
+def test_health(testapp):
+    resp = testapp.get("/health")
+    assert resp.status_int == 200
+    assert "Ok" in resp
+
+
 def test_favicon(testapp):
     testapp.get("/favicon.ico", status=404)