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README.md

Fission: NodeJS Environment

This is the NodeJS environment for Fission.

It's a Docker image containing a NodeJS runtime, along with a dynamic loader. A few common dependencies are included in the package.json file.

Customizing this image

To add package dependencies, edit package.json to add what you need, and rebuild this image (instructions below).

You also may want to customize what's available to the function in its request context. You can do this by editing server.js (see the comment in that file about customizing request context).

Rebuilding and pushing the image

You'll need access to a Docker registry to push the image: you can sign up for Docker hub at hub.docker.com, or use registries from gcr.io, quay.io, etc. Let's assume you're using a docker hub account called USER. Build and push the image to the the registry:

   docker build -t USER/nodejs-env . && docker push USER/nodejs-env

Using the image in fission

You can add this customized image to fission with "fission env create":

   fission env create --name nodejs --image USER/nodejs-env

Or, if you already have an environment, you can update its image:

   fission env update --name nodejs --image USER/nodejs-env   

After this, fission functions that have the env parameter set to the same environment name as this command will use this environment.