docker5.txt

Prob-:
1. What is dockerfile
2. How to create Dockerfile
3. How to build image from Dockerfile
4. Basic Commands

Dockerfile-:
    A textfile with instructions to build image
    Automation of Docker Image Creation

Step1 - Create a file named Dockerfile  >> mkdir "dir-name"
                                           cd dir-name/
                                           touch Dockerfile-name
                                           vim  Dockerfile-name
Step2 - Add instructions in Dockerfile  >>
                                           FROM imagename
                                           MAINTAINER yourname <your-email>
                                           RUN apt-get update
                                           CMD ["  gffdsfdsfw "]
Step3 - Build dockerfile to create image >>
                                           docker build -t name_of_image:tag .
Step4 - Run image to create container    >> 
                                           docker run image-id