Lab #1: Create an image with GIT installed
Pre-requisite:
Tested Infrastructure
| Platform | Number of Instance | Reading Time |
|---|---|---|
| Play with Docker | 1 | 5 min |
Pre-requisite
- Create an account with DockerHub
- Open PWD Platform on your browser
- Click on Add New Instance on the left side of the screen to bring up Alpine OS instance on the right side
Assignment:
- Create an image with GIT installed
- Tag your image as labs-git:v1.0
- Create a container based on that image, and run git --version to check that it is installed correctly
Creating Dockerfile
FROM alpine:3.5
RUN apk update
RUN apk add git
Build Docker Image
docker build -t ajeetraina/alpine-git .
Tagging image as labs-git
docker tag ajeetraina/alpine-git ajeetraina/labs-git:v1.0
Verify the Images
$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
ajeetraina/alpine-git latest cb913e37a593 16 seconds ago 26.6MB
ajeetraina/labs-git v1.0 cb913e37a593 16 seconds ago 26.6MB
Create a container
docker run -itd ajeetraina/labs-git:v1.0 /bin/sh
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
3e26a5268f55 ajeetraina/labs-git:v1.0 "/bin/sh" 4 seconds ago Up 2 seconds elated_neumann
Enter into Container Shell
docker attach 3e26
Please press "Enter" key twice so as to enter into container shell
Verify if GIT is installed
/ # git --version
git version 2.13.7