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46+ curated questions with the same answer shape every time: quick recap, deep dive, pitfalls, and follow-ups. Coverage includes comparisons, docker compose intro, docker concepts basics, dockerfile basics, and more.
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Topics follow a teaching order. Each answer ends with a clear Next question control so you can move forward without hunting the list.
Freshers who can build and containerise their own Spring Boot application are immediately more employable than those who can't run it outside their IDE. This module covers Maven's build lifecycle (compile → test → package → verify → install → deploy), the pom.xml dependency management model, and the Maven vs Gradle trade-off. Docker is increasingly expected even at the fresher level: this module covers the container mental model (image vs container), writing a basic Dockerfile for a Spring Boot app, and using Docker Compose to run the backend + database together locally — exactly the setup you'd submit with a take-home project.
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Numbers 1–46 follow the order we recommend — click any row to open the full answer, or use the sticky Next link at the bottom of each page to go Q1 → Q46.