Docker image for Node

This image is based on official Node image and contains:

• Dumb-init for faster signal handling
• Unprivileged user account app (/usr/src/app)
• Onbuild variant

Usage

Interactive

docker run --rm -it hstkk/node
> console.log('Hello world');
Hello world

docker run --rm -it hstkk/node bash
app@3f6897f307c3:~$ echo Hello world
Hello world

Example of Yarn usage:

docker run -v $(pwd):/usr/src/app --rm -it hstk/node yarn init
yarn init v0.18.1
question name (app): foo
question version (1.0.0): bar
question description: baz
question entry point (index.js):
question git repository:
question author:
question license (MIT):
success Saved package.json
Done in 11.37s.

Inline command(s)

docker run hstkk/node node -e "console.log('Hello world');"
Hello world

Example of Yarn usage:

docker run -v $(pwd):/usr/src/app --rm -t hstkk/node yarn add greeting

Create a new image based on this

Onbuild image takes care of installing dependencies and then executes your app by using yarn start.

# Dockerfile
FROM hstkk/node-onbuild
# additional stuff

Build and run your own image:

docker build -t app .
docker run --rm -it app

Docker compose

Compose is a tool for defining and running multi-container Docker applications. With Compose, you use a Compose file to configure your application’s services. Then, using a single command, you create and start all the services from your configuration.

-- Overview of Docker Compose

# docker-compose.yml
version: '2'
services:
  app:
    image: hstkk/node-onbuild
    volumes:
      - .:/usr/src/app
    environment:
      NODE_ENV: production

Build and run your app:

docker-compose up