March 2017
Intermediate to advanced
290 pages
5h 35m
English
Content preview from Troubleshooting DockerBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Pushing images to Docker Hub
We can create a customized image that can then be pushed on Docker Hub using tagging. Let's create a simple image with a small terminal-based application. Create a Dockerfile with the following content:
FROM debian:wheezy RUN apt-get update && apt-get install -y cowsay fortune
Go to the directory containing the Dockerfile and execute the following command to build an image:
$ docker build -t test/cowsay-dockerfile . Sending build context to Docker daemon 2.048 kB Sending build context to Docker daemon Step 0 : FROM debian:wheezy wheezy: Pulling from debian 048f0abd8cfb: Pull complete fbe34672ed6a: Pull complete Digest: sha256:50d16f4e4ca7ed24aca211446a2ed1b788ab5e3e3302e7fcc11590039c3ab445 Status: Downloaded newer image ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.