July 2018
Intermediate to advanced
504 pages
11h 34m
English
Content preview from Learn OpenShift
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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.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.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.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.
Dockerfile instructions
Some Dockerfile instructions are shown in the table:
|
Instruction |
Description and examples |
|
FROM image[:tag] |
It sets the base image used in the build process. Examples: FROM httpd FROM httpd:2.2 |
|
RUN <command> <parameters> |
The RUN instruction executes any commands in a new layer on top of the current image and commits the results. Examples: RUN yum install -y httpd &&\ echo "custom answer" >/var/www/html/index.html |
|
RUN ["command", "param1", "param2"] |
This is the same as the last one but in Docker format. |
|
COPY <src> <dst> |
The COPY instruction copies new files from <src> and adds them to the filesystem of the container at the path <dest>. The <src> must be the path to a file or directory ... |
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.