Basic Docker application for beginners

1 min readSep 27, 2018

Github

https://github.com/balramsinghindia/node-docker-boilerplate

Create sample folder with name demo

mkdir demo

cd demo

vim Dockerfile

Dockerfile

FROM node:latest

COPY package.json demo/package.json

RUN cd /demo && npm install

vim package.json

Sample package.json

{
“name”: “Docker file”,
“version”: “1.0.0”,
“dependencies”: {
“es6-promise”: “4.1.1”,
“whatwg-fetch”: “2.0.3”
}
}

Build docker

docker build -t some-name:v2 .

List all Docker images

docker images

List running docker and see ports

docker ps

Run docker

docker run -ti somename:v1 bash

We can publish docker in dockerhub.com.

Login in DockerHub

docker login (Use Docker Hub credentials)

Create a docker in DockerHub and pull it in your local

docker pull balramsingh/modules

Push local docker to DockerHub

docker push balramsingh/modules:v1

Port Mapping

Map docker application port with your docker port.

docker run -p 9500:5000 -ti -w /demo balramsingh/modules:v1 npm start

Here 9500 in local port and 5000 is docker port.

Reference:

Top 10 Docker CLI commands you can’t live without

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