Docker test

docker.js

const Docker  = require('dockerode');
const docker  = new Docker({host: 'http://127.0.0.1', port: 8081});
const {Writable} = require('stream');

let data = '';

const outStream = new Writable({
  write(chunk, encoding, callback) {
    data += chunk.toString();
    callback();
  }
});

const api = {
	run() {
		const done = new Buffer([]);
		return docker.run('lighthouse_ci', 
		['https://tomatoes.work', '--quiet', '--output=json'],
		outStream,
		{
			"CapAdd": ["SYS_ADMIN"],
			"Tty": true,
			"Detach": true
		}).then(done => {
			return JSON.parse(data);
		});
	}
}

module.exports = api;

Dockerfile

FROM node:8-slim

MAINTAINER Eric Bidelman <ebidel@>

# Install utilities
RUN apt-get update --fix-missing && apt-get -y upgrade

# Install latest chrome dev package.
RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - \
    && sh -c 'echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list' \
    && apt-get update \
    && apt-get install -y google-chrome-unstable git --no-install-recommends \
    && rm -rf /var/lib/apt/lists/* \
    && rm -rf /src/*.deb

ADD https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64 /usr/local/bin/dumb-init
RUN chmod +x /usr/local/bin/dumb-init

# Download latest Lighthouse from npm.
# cache bust so we always get the latest version of LH when building the image.
ARG CACHEBUST=1
RUN npm i lighthouse -g

# Install express.
RUN git clone https://github.com/ebidel/lighthouse-ci.git
WORKDIR lighthouse-ci/builder
RUN pwd

# COPY package.json .
RUN npm i --production

# Add the simple server.
# COPY server.js /
RUN cp server.js /
RUN chmod +x /server.js

# COPY entrypoint.sh /
RUN cp entrypoint.sh /
RUN chmod +x /entrypoint.sh

# Add a chrome user and setup home dir.
RUN groupadd -r chrome && useradd -r -m -g chrome -G audio,video chrome && \
    mkdir -p /home/chrome/reports && \
    chown -R chrome:chrome /home/chrome

USER chrome

#VOLUME /home/chrome/reports
#WORKDIR /home/chrome/reports

# Disable Lighthouse error reporting to prevent prompt.
ENV CI=true

# WORKDIR /
# RUN git clone https://gist.github.com/d89f992a4153018a0e22e1eb7afe6bbd.git
# WORKDIR d89f992a4153018a0e22e1eb7afe6bbd
# RUN npm i
# RUN npm start

EXPOSE 8080

ENTRYPOINT ["dumb-init", "--", "/entrypoint.sh"]
#CMD ["lighthouse", "--help"]

index.js

const docker  = require('./docker');
const express = require('express');
const bodyParser = require('body-parser');

const app = express();

app.use(bodyParser.json());
// app.use(express.static('public'));
app.use('/', express.static('static/dist'));

app.get('/run', function (req, res) {
	docker.run().then(result => {
		res.send(result);
	});
});

app.listen(3000, () => console.log('Example app listening on port 3000!'))

package.json

{
  "name": "dkr",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "start": "node index.js"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "dockerode": "^2.5.4",
    "express": "^4.16.3",
    "npm": "^5.7.1"
  }
}