+#. ``rmr-version.yaml`` controls what rmr gets installed for unit
+ testing in Jenkins
+#. ``integration_tests/install_rmr.sh`` is a useful script for a
+ variety of local testing.
+
+
+Version bumping Python
+----------------------
+
+If you want to update the version of python; for example this was
+recently done to move from 3.7 to 3.8, update these files:
+
+#. ``Dockerfile``
+#. ``Dockerfile-Unit-Test``
+#. ``tox.ini``
+
+
+Running A1 Standalone
+---------------------
+
+The A1 container can be run standalone, which means using an in-memory mock
+version of SDL and a static route table. The host machine must have the RMR
+library and the environment must define the variable `prometheus_multiproc_dir`
+with a value like /tmp. Alternately, use the following command to run A1 as
+a Docker container, using a route table mounted as a file from this git
+repository and exposing the server's HTTP port on the Docker host::