Summary of Legacy Systems and Dependencies

Get a summary of what we learned about legacy systems and dependencies in this chapter.

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Things we studied in this chapter

In this chapter, we focused on legacy code. We spent most of our time working through tips and techniques for moving larger applications, but we also assessed Elixir dependencies.

The migration of any large application is a problem with both technology and people. Understanding the risk factors and getting buy-in from the beginning are critical elements. The application we move might be composed of independent services or a few monoliths. Moving a monolith means isolating different elements and moving them one section at a time.

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