docker
4 articles
Dockerfile Best Practices, Each One Built and Measured
Seven Dockerfile best practices, each measured: a 4.81s rebuild cut to 0.54s, a removed compiler still costing 240MB, and why exec form won't stop cleanly.
ContainersDocker Compose and Spring Boot: Let the Application Start the Database
Spring Boot can drive Docker Compose itself — verified with the log where it waits for the container to go healthy, in a project holding no datasource config.
ContainersHow to Dockerize a Spring Boot Application, and What Each Choice Costs
Four images built from one Spring Boot app, measured — 785MB down to 531MB, and why the layered build that everyone recommends does not shrink anything.
ContainersDocker vs Kubernetes: What's Actually Different
Docker builds and runs containers on one machine; Kubernetes schedules them across many. See the concept-by-concept mapping and what changed in Kubernetes 1.24.
Containers