initial implementation of a health check route (#1262)

* initial implementation of a health check route

* remove debugging code

* lint

server/app/app.py

@@ -14,6 +14,7 @@ import server.common.rest as common_rest
 from server.common.errors import DatasetAccessError
 from server.common.utils import path_join, Float32JSONEncoder
 from server.common.data_locator import DataLocator
+from server.common.health import health_check
 from server.data_common.matrix_loader import MatrixDataLoader
 
 from functools import wraps
@@ -48,6 +49,12 @@ def favicon():
     return send_from_directory(os.path.join(webbp.root_path, "static/img/"), "favicon.png")
 
 
+@webbp.route("/health")
+def health():
+    config = current_app.app_config
+    return health_check(config)
+
+
 def get_data_adaptor(dataset=None):
     config = current_app.app_config