add logging and better catch for lack of sessions in template

bin/prod

@@ -5,4 +5,4 @@ export FLASK_APP=suchwow/app.py
 export FLASK_SECRETS=config.py
 export FLASK_DEBUG=0
 export FLASK_ENV=production
-gunicorn --bind 0.0.0.0:4000 "suchwow.app:app" -D
+gunicorn --bind 0.0.0.0:4000 "suchwow.app:app" -D --log-file ./data/app.log

suchwow/templates/post/read.html

@@ -58,10 +58,10 @@
 
     <a href="{{ url_for('comment.create', post_id=post.id) }}"><button class="btn btn-warning">Leave a Comment</button></a>
 
-
-
-    {% if session.auth.preferred_username == post.submitter %}
-    <hr><a href="{{ url_for('post.delete', id=post.id) }}"><button class="btn btn-danger">Delete Post</button></a>
+    {% if "auth" in session %}
+      {% if session.auth.preferred_username == post.submitter %}
+      <hr><a href="{{ url_for('post.delete', id=post.id) }}"><button class="btn btn-danger">Delete Post</button></a>
+      {% endif %}
     {% endif %}
 
   </div>