Java in a Container: Efficient Development and Deployment With Docker
SMRTR summary
Containerizing Java apps is harder than it looks — 800MB images, 40-second startups, and silent OOMKilled crashes are common pitfalls. By switching to multi-stage builds with Spring Boot layered JARs, JRE-only runtimes, and percentage-based JVM memory flags, one team shrank images from 800MB to under 200MB and eliminated memory crashes, cutting CI build times by 60% and image push times by 75%.
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