September 2015
Intermediate to advanced
206 pages
4h 45m
English
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Externalizing environmental config using environment variables
In the previous recipes, we have a number of times eluded to the fact that the configuration values to a Spring Boot application can be passed and overridden by using OS Environment Variables. Operating Systems rely on these variables to store information about various things. We probably have come across having to set JAVA_HOME or PATH a few times and these would be the examples of environment variables. It is also a very important feature in case one deploys their application using a PaaS Platform such as Heroku or Amazon AWS. In these environments, configuration values such as database access credentials and various API tokens are all provided over the environment variables.
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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.