Sign In Start Free Trial
Account

Add to playlist

Create a Playlist

Modal Close icon
You need to login to use this feature.
  • Book Overview & Buying Infrastructure as Code Cookbook
  • Table Of Contents Toc
  • Feedback & Rating feedback
Infrastructure as Code Cookbook

Infrastructure as Code Cookbook

By : Stephane Jourdan, Pierre Pomès
4 (1)
close
close
Infrastructure as Code Cookbook

Infrastructure as Code Cookbook

4 (1)
By: Stephane Jourdan, Pierre Pomès

Overview of this book

Para 1: Infrastructure as code is transforming the way we solve infrastructural challenges. This book will show you how to make managing servers in the cloud faster, easier and more effective than ever before. With over 90 practical recipes for success, make the very most out of IAC.
Table of Contents (12 chapters)
close
close
11
Index

Auto-configuring dynamic containers

We can't always execute a binary to get what we want. A configuration done dynamically is a very common situation; system paths can be dynamic, users and passwords can be auto-generated, network ports can be contextual, third-party credentials will be different in development and in production, slaves will join their masters, cluster members will find other nodes, and most other similar changing elements will need to adapt at runtime. The trick here is to combine environment variables with the use of a script as an entry point that will be executed no matter what, and behave according to the environment variables, optionally combined with a command from the Dockerfile.

Getting ready

To step through this recipe, you will need a working Docker installation.

How to do it…

Our objective is to create a temporary, dynamic SSH server in a Docker container, with credentials we can't know in advance. So, to make it work as intended, we'll want...

Unlock full access

Continue reading for free

A Packt free trial gives you instant online access to our library of over 7000 practical eBooks and videos, constantly updated with the latest in tech
bookmark search playlist font-size

Change the font size

margin-width

Change margin width

day-mode

Change background colour

Close icon Search
Country selected

Close icon Your notes and bookmarks

Delete Bookmark

Modal Close icon
Are you sure you want to delete it?
Cancel
Yes, Delete

Confirmation

Modal Close icon
claim successful

Buy this book with your credits?

Modal Close icon
Are you sure you want to buy this book with one of your credits?
Close
YES, BUY