These tools make it easier to automate how developers build, test, and deploy projects on any platform without the need for a devops expert on a development team. In 2019 it introduced full continuous integration / continuous deployment (CI/CD) to GitHub Actions as well. Let's step back for just a minute to talk about GitHub Actions in case you haven't had a need to work with them yet.īack in 2018, GitHub released a new feature called GitHub Actions, designed to give developers the ability to automate their workflows across issues, pull requests, and other events. In this article, I'll teach you how to add "secret" environment variables to a GitHub Actions workflow so steps requiring dynamic, sensitive variables (like automated test suites) can successfully run in the CI/CD pipeline just as they do in a local development environment. One tricky thing I encountered when working with GitHub Actions was how to add sensitive environment variables that were used locally to run the app and its integration and end-to-end tests, while still keeping them secret (and out of GitHub's source control). Keeping ease of setup and deployment in mind, we built the app using the self-contained Next.js framework, hosted a demo example of the app on Netlify, and used GitHub Actions to control the automated CI/CD workflows (build, test, deploy, etc.). The idea is that once our users set up their new IoT devices, they can fork our starter repo, which is already designed to accept and display certain sensor data in charts and graphs, and then modify the code as they customize their devices further with new sensors or data visualizations. I work for an IoT startup called Blues Wireless, whose mission is to make IoT development simpler and easier through the use of Notecards - prepaid cellular devices that can be embedded into any IoT project to transmit sensor data to a secure cloud: Notehub - that can then forward that data on to any public cloud or application. Earlier this year, my development team and I were in the midst of building a new open source application to help our users get up and running faster with the hardware the Internet of Things (IoT) company I work for, sells.
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