Spring Boot Profiles Explained Like You’re 5 | Dev, QA, Prod Made Easy!

In this video, we break down Spring Boot Profiles in a way even a 5-year-old could understand (okay, maybe a really smart 5-year-old 😄). Whether you're confused by application-dev.yml, wondering what @Profile really does, or tired of manually changing configs when moving from dev to prod — this tutorial has you covered. ✅ What you'll learn: What Spring Boot Profiles are (with real-life analogies) How to separate configs using application-{profile}.yml How to activate a profile using YAML, CLI, or environment variables How to use @Profile annotation to load beans conditionally Real-world use case: Dev vs QA vs Prod environments