It is definitely possible. You can learn the DevOps methods, tools, and principles for free by using the various online resources that are available. Even though it is easy to learn it through free online tutorials, DevOps is a complex subject that requires a comprehensive understanding of software development, IT operations, and automation. Therefore, it could be beneficial to combine your online learning with hands-on labs and instructor support.
I would recommend you to watch this below video to fulfill your requirements -
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