node-express-ncc: add example

Author: tj

oss/node-express-ncc/.gitignore

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+node_modules

oss/node-express-ncc/.upignore

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+*
+!package.json
+!server/**

oss/node-express-ncc/Readme.md

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+
+# Node Express
+
+Express application using the ncc bundler.
+
+## Setup
+
+```
+$ yarn
+```
+
+## Deploy
+
+```
+$ up
+```
+
+## Notes
+
+Create an `.upignore` file to omit everything except our package.json and ./server files:
+
+```
+*
+!package.json
+!server/**
+```
+
+The Up proxy command in up.json is changed to `node server/index.js` instead of the default `node app.js`,
+allowing staging and production to run the build.
+
+## Links
+
+- [ncc](https://github.com/zeit/ncc) bundler alternative to Webpack

oss/node-express-ncc/app.js

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+const express = require('express')
+const app = express()
+
+const { PORT = 3000 } = process.env
+
+app.get('/', function(req, res){
+  res.send('Hello World from Express!')
+})
+
+console.log('listening on %s', PORT)
+app.listen(PORT)

oss/node-express-ncc/package.json

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+{
+  "scripts": {
+    "start": "node app"
+  },
+  "dependencies": {
+    "express": "^4.15.3"
+  }
+}