Added status page

- returns "OK" as JSON with a 200
- used in healthchecks

app/__init__.py

@@ -37,6 +37,9 @@ def create_app(config_name, config_overrides=None):
     from app.main import main as main_blueprint
     application.register_blueprint(main_blueprint)
 
+    from .status import status as status_blueprint
+    application.register_blueprint(status_blueprint)
+
     proxy_fix.init_app(application)
 
     application.session_interface = ItsdangerousSessionInterface()

app/status/__init__.py

@@ -0,0 +1,5 @@
+from flask import Blueprint
+
+status = Blueprint('status', __name__)
+
+from app.status.views import healthcheck

app/status/views/healthcheck.py

@@ -0,0 +1,10 @@
+from flask import jsonify
+
+from app.status import status
+
+
+@status.route('/_status')
+def status():
+    return jsonify(
+        status="ok",
+    ), 200