I downloaded openj9 from https://adoptopenjdk.net/
Openj9 claims faster startup. Not sure how to measure it for clojure
as a quick and primitive way you can try:
time clj -e '(print "hello")'
is there a simple way to spin up a docker compose for Integration tests? I saw this but it's pretty stale https://github.com/HealthUnlocked/lein-docker-compose