Fix #312 style logout page (#313)

* Fix #312 style logout page

* Set docker cookie secure flag to false in development

* Set docker cookie secure flag to false in development

* fix docker sed SESSION_COOKIE_SECURE

* fix docker sed SESSION_COOKIE_SECURE

* fix remove SESSION_COOKIE_SECURE in docker dev

* fix remove SESSION_COOKIE_SECURE in docker dev

* default SESSION_COOKIE_SAMESITE to Lax

* default SESSION_COOKIE_SAMESITE to Lax

* Fix #312 style logout page

Author: chrisjsimpson

subscribie/auth.py

@@ -302,4 +302,4 @@ def wrapped_view(**kwargs):
 @bp.route("/logout")
 def logout():
     session.clear()
-    return "Logged out"
+    return render_template('admin/logout.html')

subscribie/blueprints/admin/templates/admin/logout.html

@@ -0,0 +1,12 @@
+{% extends "admin/layout.html" %}
+{% block title %} Login {% endblock %}
+
+{% block body %}
+
+<h2 class="text-center text-dark">You have logged out</h2>
+
+<div class="container">
+  <p><a href="{{ url_for('auth.login') }}">Click here to log back in.</a></p>
+</div>
+
+{% endblock body %}