Running an application in Docker
So far, we have learnt what is Docker and the different commands to work with Docker. In this section, we will develop a web application and we will deploy the web application in a Docker container. For simplicity, we will download a Tomcat image from the Docker repository. Then the Docker container will be started with proper port mapping, so that it can be accessed from the host machine. Finally, a web application will be deployed in the running container.
To create a Tomcat container, we will pull an image from the central repository https://registry.hub.docker.com/_/tomcat/. The repository provides support for different versions of Tomcat such as 6, 7, and 8. For this application, we will use Tomcat 7.0.57 version. ...
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