How to Share Code Between Serverless Functions
Briefly

Serverless functions have evolved into full-fledged applications, but the challenge remains on how to effectively share code between them, as traditional methods prove cumbersome.
While platforms like AWS Lambda Layers offer some code sharing solutions, they are often application-specific and limit general-purpose sharing, leading many developers to create proprietary packages.
The distributed nature of serverless functions means every code change can necessitate complex testing and deployment across multiple functions, complicating code management and updates.
As the number of serverless functions and shared code components grows, tracking dependencies and maintaining code integrity becomes increasingly challenging, undermining the benefits of serverless architecture.
Read at Medium
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