We are excited to announce the new CircleCI Config SDK is now available as an open-source TypeScript library. Developers can now write and manage their CircleCI config.yml files using TypeScript and JavaScript. For developers used to the ecosystem and flexibility of a full-fledged programming language, sometimes YAML can feel limiting or intimidating. With the Config SDK you can define and generate your YAML config from type-safe and annotated JavaScript.

DORA metrics are becoming the industry standard for measuring engineering efficiency, but where did they come from? ‍ We talk a lot about DORA metrics here at Sleuth — what they are and how to measure them. But we haven’t shared much about the context of DORA metrics — their history and why we use them. So let’s do that. This article provides a summary.

Rated as the top order tracking and revenue generation app on Shopify, Rush lets businesses build and personalize their own dashboards to manage the post-sale process with real-time data, custom product recommendations, and user feedback. Their business model focuses on low touch and user-centered design (UCD), which leaves little room for issues impacting how people interact with the platform.

Even before the cloud, no one liked deployment downtime. With applications hosted in traditional data centers that restricted access for local users, many organizations scheduled deployments when users were less likely to be using the applications, like the middle of the night. With widespread adoption of cloud-based, 24x7 environments available from all time zones, every hour of the day, easy-to-find deployment windows are gone.

This post, authored by CircleCI Senior Technical Content Marketing Manager Jacob Schmitt, was originally published on The New Stack. One of the privileges of working in the continuous integration space is the unique perspective it offers into how software teams organize their work to deliver value quickly without sacrificing quality, security, or developer happiness. At CircleCI, we support more than 2 million developers running 90 million build, test, and deploy jobs each month.

A Docker image is a combination of instructions and for creating a docker container a instruction is used to execute code in a Docker container. Docker images work as a set of instructions to build and run a Docker container, as a template. Docker images also perform as the initial point when using Docker. A Docker image contains read-only files. when a docker image is created it can not be changed and modified, insert template that has instructions for deploying containers.

As enterprises adopt cloud-based technologies, their IT infrastructure becomes more complex. The need to constantly scale up the CI/CD pipeline presents new challenges for IT teams. This blog post will share best practices and learnings from our work with enterprise customers who have successfully scaled up their CI/CD pipelines and discuss how to solve these challenges with Cloudify in production environments.

One of the leading frameworks in the JavaScript community, Vue.js is a progressive framework for building reusable components for the web user interface. Its intuitive API and robust flexibility for handling front-end logic are just two of the reasons that Vue has been adopted by developers worldwide. In this tutorial, I will lead you through building a simple listing application that shows the names and roles of users. I will show you how to write tests for the application.