Grab a recent CA cert bundle, to verify SSL connections
curl -LO https://raw.githubusercontent.com/stripe/stripe-ruby/master/lib/data/ca-certificates.crt
Start HotRod with OTLP export
ELASTIC_APM_SERVER_URL
and ELASTIC_APM_SECRET_TOKEN
can be found through kibana, at ${kibana_url}/app/home#/tutorial/apm
(or click on "add data" in the APM UI)