December 2019
Intermediate to advanced
598 pages
12h 21m
English
Content preview from ASP.NET Core 3 and React
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Configuring the React frontend for staging and production
In this section, we are going to change our frontend so that it makes requests to the correct backend APIs in staging and production. At the moment, both the REST API and SignalR API have hardcoded paths set to the localhost. We are going to make use of environment variables like we did in our backend to differentiate between the different environments. Let's open our frontend project in Visual Studio Code and carry out the following steps:
- First, we are going to install a library called cross-env that will allow us to set environment variables. Let's execute the following command in the Terminal:
> npm install cross-env --save-dev
- Let's add the following scripts in package.json ...
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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.