By Charles McDowell
Comptia Certified Linux Networking Professional.
Cisco Certified Networking Technician.
Microsoft Technology Associate Database Administration
“Give a sysadmin an image and their app will be up-to-date for a day, give a sysadmin a Dockerfile and their app will always be up-to-date.”
Today Let’s learn how to create a docker image, to share docker containers with the rest of your team. Also how to create a docker file using vim, JavaScript and node.js. Docker files is a more programmatic way to manage images and reduces human error with repeated set ups and updates. We can also use source control with docker files to keep it up to date or roll back changes to an earlier version. Also learned about the concept of image layering and inspection using a hash to keep track of changes. Click the tutorial below:
Tutorial