Firecracker is the technology which powers Serverless, but it can be also be repurposed to run end-to-end tests quickly and cheaply. ...

Docker Hub is the central repository of images maintained by Docker for its production images. We built the same thing for VMs used by CI pipelines ...

Watch the full session below on-demand: Jump to: 0:00 Intro 0:06 Agenda 0:23 3 DevOps Engineering Pillars 1:16 Developer Experience (DX) when it comes to pull requests 1:54 Live Demo begins 3:17 Before state: propose a color change to webapp 4:10 Why pull ...

Code Coverage quantitatively measures how comprehensive a code base's tests are. Increasing code coverage often increases stability and reduces bugs. ...

CI providers like webapp.io, GitLab, TravisCI, and Shippable are all worsening or shutting down their free tiers due to cryptocurrency mining attacks. ...

After raising a funding round backed by Y Combinator in 2020, we needed to focus on growing our engineering team. Setting up our own CI process became a top priority; the more of us working on the product and the more customers using it, the greater the costs associated with postponing the task. ...

Continuous Integration (CI) lets you define tests to run before any code is merged - in practice, this means that you can make sure that nothing breaks in response to a change. A lesser-known benefit of CI is that it helps other developers set up the software with any required dependencies. ...