Buildpacks on Devops Monkhttps://devops-monk.com/tags/buildpacks/Recent content in Buildpacks on Devops MonkHugoen-usSun, 03 May 2026 00:00:00 +0000Spring Boot Docker: Multi-Stage Builds, Layered JARs, and Buildpackshttps://devops-monk.com/2026/05/spring-boot-docker-guide/Sun, 03 May 2026 00:00:00 +0000https://devops-monk.com/2026/05/spring-boot-docker-guide/There are three ways to containerise a Spring Boot application: a naive single-stage Dockerfile, a proper multi-stage Dockerfile with layered JARs, and Cloud Native Buildpacks. Each has different tradeoffs in build speed, image size, and maintenance overhead. This guide covers all three approaches, explains why layered JARs matter for CI/CD speed, and shows how to produce small, secure, production-ready images. The Problem with the Naive Dockerfile Most tutorials show this: