This week we are going to look at a very simple container, but one that I personally did not know about up until a few days ago. It’s a standard base container, but one with an important property that many users of Docker and Kubernetes are concerned about.
A base container is the container image used in the FROM command of your Dockerfile. Base containers are usually a customised minimal install of a full-sized Linux distribution such as Debian, Ubuntu or CentOS. Read on to find out more about the debian:jessie-slim base container.
This is the first post in an ongoing series looking at container images. Each week I’m going to analyze a particular image and see how it ticks. The one I’m going to look at first is the library/alpine container.
Continue reading “Container of the Week – Alpine Linux”
I remember the first time that I discovered command line completion for my shell way back in the early 90’s. Up until then, you needed to remember the filename you wanted to use for any command and type the full name out in its entirety. This could be a frustrating and error-prone process even if you were a good typist. From then on being able to hit TAB and get the right filename was just pure bliss!
Depending on your situation, command line completion for Docker client may already be working and you might not realise it! Read on for details. Continue reading “Docker Command Line Completion”