Docker Tutorial

README.md

Docker

Build once, configure once and run any where

Basic commands

Info

docker info

Search

docker search string

• -s number Search by number of stars

Pull image

docker pull image:tag

List Images

docker images

Delete image

docker rmi image_id:tag

Tag image

docker tag image tagname

Run a container

docker run image:tag command

• -i Interactive console.
• -t Tty access.
• -d Run in background.
• -v /local/folder:/container/folder Virtual directory.
• -u username:group Exec comand as user and group.
• -e NAME=VALUE Set enviroment variables.
• -p LOCAL:CONTAINER Export container port.
• --rm On exit remove the container.
• --name container_name Set a container name.
• --link=container_name:image Link containers.

Run a command in an running container

docker exec container_name command

• -i Interactive console.
• -t Tty access.
• -d Run in background.

Show running containers

docker ps

• -a Show all containers (even not running containers).
• -f Filter.
• -q Displays only numeric IDs.

Delete a container

docker rm container_id

Restart a container

docker restart container_id

Reopen a container

docker attach container_id

Dockerfiles

Build Dockerfile

docker build -d

SAMPLES.md

Samples

Nginx

Run a nginx container to work with static html

docker run -d -p 80:80 -v /directory/html/:/usr/local/nginx/html nginx

Golang

Run a docker container to develop with go

docker run -it --rm -u 1000:1000 -v /directory/gocode/src:/go/src golang /bin/bash

Mongodb

Run mongodb container

docker run -it --name=mongo_container --rm -v /directory/db/:/data/db mongo

Link Mongodb

Link mongodb container

docker run -it --rm --link=mongo_container:mongo mongo /bin/bash