old_contents: let express = require('express')
  let bodyParser = require('body-parser')
  let request = require('request')
  
  let remote = process.argv[2]
  let app = express()
  app.use(bodyParser.json())
  
  let proxyResponse = (res) => {
    return (err, upstream) => {
      if(err) { res.status(500); console.error(err); return }
      res.send(upstream.body)
    }
  }
  
  let proxyGet = (endpoint) => {
    app.get(endpoint, (req, res) => {
      let url = `${remote}${endpoint}`
      request.get(url, {json: true}, proxyResponse(res))
    })
  }
  
  let proxyPost = (endpoint) => {
    app.post(endpoint, (req, res) => {
      let url = `${remote}${endpoint}`
      request.post(url, {json: true, body: req.body}, proxyResponse(res))
    })
  }
  
  proxyGet('/whoami')
  proxyGet('/collections')
  proxyPost('/search')
  
  app.use(express.static(`${__dirname}/build`))
  
  app.listen(+(process.env.PORT || 8000), 'localhost')
  
new_contents: let express = require('express')
  let bodyParser = require('body-parser')
  let request = require('request')
  
  let remote = process.argv[2]
  let app = express()
  app.use(bodyParser.json())
  
  let proxyResponse = (res) => {
    return (err, upstream) => {
      if(err) { res.status(500); console.error(err); return }
      res.send(upstream.body)
    }
  }
  
  let proxyGet = (endpoint) => {
    app.get(endpoint, (req, res) => {
      let url = `${remote}${req.originalUrl}`
      request.get(url, {json: true}, proxyResponse(res))
    })
  }
  
  let proxyPost = (endpoint) => {
    app.post(endpoint, (req, res) => {
      let url = `${remote}${endpoint}`
      request.post(url, {json: true, body: req.body}, proxyResponse(res))
    })
  }
  
  proxyGet('/whoami')
  proxyGet('/collections')
  proxyPost('/search')
  proxyGet('/doc/\*')
  
  app.use(express.static(`${__dirname}/build`))
  
  app.listen(+(process.env.PORT || 8000), 'localhost')
  
subject: Add proxyGet for /doc urls.