micro-dockerhub-hook

Automatic docker deployment with webhooks.

micro-dockerhub-hook listens to incoming HTTP POST-requests from hub.docker.com and triggers your specified script(s).

Features

Lightweight
Pretty simple setup process
Can be runned in a docker container
Supports updating multiple docker images
Scripts can trigger docker or docker-compose
Used in production
Good logging

Create a token

Create a secret token with openssl, uuidgen or something else. Don’t use any slashes since token is going to be used in the URL.

export TOKEN=$(uuidgen)
echo $TOKEN

Installation alternatives

1. Run on host

Install

Nodejs and npm must be installed.

git clone http://github.com/maccyber/micro-dockerhub-hook
cd micro-dockerhub-hook
npm i

Edit config

See config.js

vim config.js

Configure repos and scripts

See scripts/index.js

vim scripts/index.js

Use this format:
'repo/image[:tag]': 'script.sh [parameter1 parameter2]',

tag and parameters are optional.

Remember to chmod +x script.sh

Start micro-dockerhub-hook

npm start

2. Run with docker-compose

Git clone

git clone http://github.com/maccyber/micro-dockerhub-hook

Add secret token in docker.env with

vim docker.env

Start with

docker-compose up -d

3. Run from docker hub

Git clone

git clone http://github.com/maccyber/micro-dockerhub-hook

Start with

docker run -d \
  -p 3000:3000 \
  -e TOKEN=${TOKEN} \
  -v ${PWD}/scripts:/src/scripts \
  -v /var/run/docker.sock:/var/run/docker.sock \
  --name micro-dockerhub-hook \
  maccyber/micro-dockerhub-hook

Configuration on docker hub

Go to https://hub.docker.com/ -> your repo -> Webhooks

Add a webhook like on the following image.

alt tag

Replace example.com with the domain of your server or it’s ip address.

Replace abc123 with your secret token.

docker-hook listens to port 3000 by default.

Testing on local machine

Setup the development environment

git clone https://github.com/maccyber/micro-dockerhub-hook/
cd micro-dockerhub-hook
npm i
npm run dev

Run test with curl

curl -i -d @test/data/payload.json http://localhost:3000/$TOKEN