How to Build a Dovecot Docker Image Assignment

Assignment Task

Background

Your organization has a small group of developers who build line of business applications. They are currently working on a solution which will process reports sent to the application via an email address. Consequently, they have asked your IT team to build them a Docker image with a simple mail server that they can use in test and later in production. You have been tasked with producing the Dockerfile to build this image.

Task

Create a Dockerfile that creates an image as follows:

• Start with the latest Ubuntu image
• Update the system
• Install dovecot-imapd and dovecot-pop3d
• Copy dovecot.conf to /etc/dovecot/dovecot.conf
• Make ports 110 visible
• The contain should start the /usr/sbin/dovecot executable with the argument “-F

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