Container orchestration on Apache Mesos - DC/OS for Spring Boot devs
summary
Builds a Spring Boot service plus a MySQL image, runs both locally with Docker Compose, then deploys them to DC/OS + Marathon and uses Marathon health checks to replace failing tasks. Scales the service from 2 to 20 instances during the demo, shows rolling upgrades and HA proxy routing, and runs a Spark notebook (Zeppelin) to MapReduce the jokes table, reporting 4,425 Chuck Norris jokes and counts like "round house" = 226 and "kick" = 160, proving the pipeline and autoscaling actually work.
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