7.2: Docker Task

In this article I will explain how to:

Create a Dockerfile file describing a simple Python container.

Task Description

🔅Configuring HTTPD Server on Docker Container

🔅Setting up Python Interpreter and running Python Code on Docker Container

Prerequisites

• Docker install in the base system.
• A runnable Python web page.

Step1: create Dockerfile

• In this Dockerfile we need to first select which docker image we need. here I am going create to create image using centos docker image.
• then I am installing 2 software 1. httpd server to configure the apache web server 2. python3.

• I am copying index.py file in /var/www/cgi-bin/ folder . content of index.py is below. this is simple python code to run date and cal command .

• then we can start service of web server. and expose this image to port no 80.

step2: create a image using this Dockerfile

command to create docker image using dockerfile

• docker build -t <any name > <path of Dockerfile>

we can see created docker image using command

• docker images

Step3: Luanch an Container using created image

command to launch conatiner using docker image

• docker run -dit -p 81:80 --name <container name> <image name>
• in the above command "-p" is used to expose the container so that we can access the web page outside the bash os too.

command to see the status of container

• docker ps and docker ps -a

step4: access the web page

we can access the web page which we have configure using apache web server and python3 code in /var/www/cgi-bin/ folder.

• http://192.168.43.182:81/cgi-bin/index.py

this is output of webpage, which is written in python language and running in docker container .

Thank you for reading this article