:jbuck configured our WebPageTest Docker image/build to auto-update (pull new Docker image from https://hub.docker.com/r/webpagetest/server/)
- increased # of wptagents (Linux) from 4, to 6 c5.xlarge instances (https://bugzilla.mozilla.org/show_bug.cgi?id=1513690)
- re-deployed
wpt-app-stage-default
(formerly ami-024df0ababa7118ae) as ami-0930bfd032ed4386d (https://bugzilla.mozilla.org/show_bug.cgi?id=1508374)
- added two (2) more c5.xlarge instances
- upgraded EC2 instance sizes for wptagents from c4.medium to c5.xlarge