maps-demo branch will not build

[omnipresent07]

it appears since npm offline cache is used it has issues downloading some packages.

➜  hmda-data-browser git:(88ceb64) docker build --rm -t=hmda/hmda-data-browser .                                                                                                                                              (hmda4/default)
Sending build context to Docker daemon  42.55MB
Step 1/17 : FROM node:8.16.0-alpine as build-stage
 ---> e08ba08cf75a
Step 2/17 : WORKDIR /usr/src/app
 ---> Using cache
 ---> aba6e4e7b06e
Step 3/17 : COPY package.json yarn.lock .yarnrc ./
 ---> Using cache
 ---> 553c4d8689e9
Step 4/17 : COPY npm-packages-offline-cache ./npm-packages-offline-cache
 ---> Using cache
 ---> 312d8c67dc31
Step 5/17 : RUN yarn install
 ---> Running in bd0f5e52d9dc
yarn install v1.15.2
[1/5] Validating package.json...
[2/5] Resolving packages...
[3/5] Fetching packages...
error Can't make a request in offline mode ("https://registry.yarnpkg.com/mapbox-gl/-/mapbox-gl-1.5.0.tgz")
info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.
The command '/bin/sh -c yarn install' returned a non-zero code: 1

[wpears]

Fixed in 54df80a