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for a better help with boilerplating serverless framework applications, go see npm package serverless-hq

Serverless Shared Library

We like to structure our Serverless Framework applications as a directory with multiple services, each representing various silos of functionality. To better facilitate our applications, we needed the ability to share functions and methods between all our services.

Strategy

Because Lambda needs everything packaged nice and neatly into small zip folders that contain each service, this plugin essentially takes your lib folder and continually syncs it within all your services. In doing so, this plugin also minifies and browserify's your library to keep things fairly optimized. An added benefit is when you're developing, you won't be confused as to what's minified and what's not, so you're constantly aware of where to edit. For i.e., you don't want to be editing any synced and minified lib code inside your services, because they'll be overwritten by your master lib directory.

Quick Start

1. Create your lib folder with an entry index.js file, alongside your service directories.
2. Make sure you include serverless-shared-library into your serverless.yml and plugins: markup.
3. Inside your functions, call const lib = require('./lib.js') for full access to your shared library!
4. Run serverless offline or serverless deploy and your library now lives in your service, but it's all shared! Now go code your heart out.