Server Techno Lab: How to Build Apache Web Server Docker Image

Description: Here I have explained, how to build custom Apache Web Server Docker Image and create docker container using image.

Procedure:

First we create docker file to build Apache Web Server in Ubuntu. Docker file is like text file without having any extension

# mkdir /DockerDir [create directory to save file]

create index.html file under /DockerDir directory

# vi /DockerDir/index.html

<!DOCTYPE HTML>

<html>

<body>

<h1> Server Techno Lab</h1>

<h2> https://servertecholab.blogspot.com/</h2>

</body>

</html>

</div>

Create Docker file for Webserver and copy index.html to docker image and run that URL on port 80

# vi /DockerDir/dockerfile

FROM centos:latest
MAINTAINER NewstarCorporation
RUN yum -y install httpd
COPY index.html /var/www/html/
CMD [“/usr/sbin/httpd”, “-D”, “FOREGROUND”]
EXPOSE 80

FROM = container image name : tag
MAINTAINER = Tag of Image
RUN = If you want to Run any command in container
COPY = To copy files
CMD = Run command using bash
EXPOSE = Expose port number for service

Run Docker Build command to build docker file

# docker build -t="mywebserver" .

You can find your docker image using docker images command

# docker images

# docker run –d –p 80:80 mywebserver

-d = Docker container deteched and runninin background

-p = Map Port number with container port apache will run on port 80

Finally you can browse server IP Address and default page of apache

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Saturday, July 25, 2020

How to Build Apache Web Server Docker Image

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