Some Important point need to remember 

Becoming a master in Spring Boot, like mastering any technology, requires dedication, practice, and continuous learning. Here's a roadmap to help you become proficient:

1. Learn the Basics: Start with the basics of Spring Framework. Understand inversion of control (IoC), dependency injection (DI), and the Spring container. Resources like the official Spring documentation, tutorials, and books can be helpful.
2. Understand Spring Boot: Spring Boot simplifies the setup and development of Spring applications. Learn about auto-configuration, starter dependencies, and how Spring Boot makes it easier to build production-ready applications.
3. Hands-on Practice: Start building simple applications using Spring Boot. Create RESTful APIs, web applications, or microservices. Experiment with different features of Spring Boot like data access, security, and messaging.
4. Deep Dive into Core Concepts: Gain a deeper understanding of core Spring Boot concepts like Spring MVC, Spring Data JPA, Spring Security, and Spring Boot Actuator. Explore how these modules work under the hood and how to leverage them effectively.
5. Explore Advanced Topics: Once you're comfortable with the basics, delve into more advanced topics like Spring Cloud for building distributed systems, Spring Batch for batch processing, and Spring Integration for enterprise integration patterns.
6. Follow Best Practices: Learn and follow best practices in Spring Boot development. This includes writing clean and maintainable code, handling exceptions gracefully, and designing RESTful APIs according to industry standards.
7. Continuous Learning: Stay updated with the latest features and updates in Spring Boot. Follow blogs, attend conferences, and participate in online communities like Stack Overflow and the Spring community forums.
8. Contribute to Open Source: Contribute to open source projects related to Spring Boot. This not only helps you gain practical experience but also allows you to learn from other developers and receive feedback on your code.
9. Build Real-world Projects: Practice by building real-world projects using Spring Boot. This could be personal projects, open-source contributions, or projects at work. Real-world experience is invaluable for mastering any technology.
10. Teach Others: Share your knowledge with others. Teaching is a great way to solidify your understanding of a topic. You can write blog posts, create tutorials, or mentor junior developers.

    

Remember, mastery takes time and continuous effort. Be patient with yourself and keep learning and practicing regularly.