fn-serverless/examples/hello/node

Quick Example for a NodeJS Function (4 minutes)

This example will show you how to test and deploy a Node function to IronFunctions.

# create your func.yaml file
fn init <YOUR_DOCKERHUB_USERNAME>/hello
# build the function
fn build
# test it
cat hello.payload.json | fn run
# push it to Docker Hub for use with IronFunctions
fn push
# Create a route to this function on IronFunctions
fn routes create myapp /hello

Now surf to: http://localhost:8080/r/myapp/hello

Dependencies

Create a package.json file in your functions directory.

Run:

docker run --rm -v "$PWD":/function -w /function iron/node:dev npm install

Then everything should work.

For example, using the package.json file in this directory which includes the request package, you can add this to func.js and it will work:

var request = require('request');
request('http://www.google.com', function (error, response, body) {
  if (!error && response.statusCode == 200) {
    console.log(body) // Show the HTML for the Google homepage.
  }
})