added comments to base.ini on how to run mitmproxy to observe elastic…

…search traffic easily when running locally for dev

base.ini

@@ -9,6 +9,14 @@ file_wfout_bucket = encoded-4dn-files
 # this really shouldn't be used with development, only uncomment if your sure
 system_bucket = elasticbeanstalk-encoded-4dn-system
 elasticsearch.server = 127.0.0.1:9200
+# The elasticsearch.server.actual_port property is useful (only) for running a localhost ElasticSearch
+# proxy in order to observe traffic (requests/responses) between portal and ElasticSearch with a tool like
+# mitmweb; e.g. setting elasticsearch.server.actual_port to 9201 and elasticsearch.server to localhost:9200
+# will case ElasticSearch to actually run on port 9201 but will cause portal to talk to it via port 9200,
+# and then we can run mitmweb --mode reverse:http://localhost:9201 -p 9200 --web-port 8081 which will
+# allow us to browse to http://localhost:8081 locally to observe all of the ElasticSearch traffic;
+# and note to install mitmweb do: pip install mitmproxy
+# elasticsearch.server.actual_port = 9201
 ontology_path = %(here)s/ontology.json
 aws_ip_ranges_path = %(here)s/aws-ip-ranges.json
 #this is to reroute downloads to something other than aws s3