Ship a Full Web-Application With Docker¶

In this lecture you are going to create a full web-application that you can ship with Docker to anywhere in the world.

Ship your Web-Application using Apache and PHP as Docker container with a Dockerfile¶

Let's create a Docker image and run this image as container with an Apache with PHP pre-installed. Then serve our index.php from the previous example.

Change the Dockerfile to:

FROM php:7.2-apache
COPY index.php /var/www/html

Then run the following commands:

docker build -t myphpapp .

This will build an image myphpapp:latest
Will copy the index.php from the host inside the container in the directory /var/www/html
Will package everything

docker run --name myphp-apache -p 8080:80 myphpapp

Will run the image myphpapp
Open the apache inside the image
Bind port 8080 on the host to port 80 on the guest
Will give the container the name “myphp-apache”

Open http://localhost:8080

Should bring up the "hello world" from the index.php

Now change the index.php to:

./index.php

<?php

echo "hello universe \n\n";

Simply changing the index.php on the host should not change it on the guest – it's baked into the image
If you want a live version you need to volume-mount it into the container (-v ${PWD}/index.php:/var/www/html/index.php)
Now revert back the index.php!

To stop everything hit ctrl+c

Cleanup:

docker rm -f myphp-apache

To remove the container

docker rmi myphpapp

To remove the image for now