building DX teams to work with platform teams to improve overall organisational productivity and development velocity.” James Governor, — Source Redmonk.com Executive summary Adopting the platform approach building and maintaining the platform. Further, how they would build a new development culture around the platform that makes software delivery seamless. In this paper, we look at how an internal platform internal platforms at scale. With these key strategic initiatives in place, software delivery teams can release software continuously, and with full confidence in the reliability of the system.

Chapter 4–Git Workflows Separate Your Repositories Separate Development in Directories, Not Branches Trunk-Based Development Policies and Security Summary 25 Chapter 5–Repository that podcast set the course for where I wanted things to head: “To me, GitOps is the holy grail of software and infrastructure management.” At the time, someone was trying to do better: A small, scrappy based. Around 2007, many developers and site administrators began to identify gaps in application development processes. Although the DevOps movement officially started around 2007, I believe its true birth

cloud-native applications have become more prevalent, the concept of DevOps has changed the way software is developed. It makes sense. By giving developers the autonomy to deploy their own code and make innovate to survive. Every company is a technology company now. Yet, like all approaches to software development, there is more than one way to implement DevOps. As the DevOps Research and Assessment group positive results in your organization. How GitOps Boosts Business Performance: The Facts 3 SOFTWARE SUCCESS LEADS TO OPERATIONAL SUCCESS In publishing its latest report, DORA has done more than simply

Resources 11 14 21 23 31 36 eBook 3 GitOps in Practice A “you build it, you own it” development process requires tools that developers know and understand. GitOps is our name for how we use control and alerts you when there is a divergence. The ultimate goal of GitOps is to speed up development so that your team can make changes and updates safely and securely to complex applications running how you’re going to do it. Software agents ensure correctness and alert on divergence Once the state of your system is declared and kept under version control, software agents can inform you whenever

most widely used version control system, with more than 80 percent of its market share in today’s software industry. GitOps is a methodology which revolves around procedure and practices with Git at kept alongside application code in Git. Keeping your entire system in Git means that your development team uses familiar Git-based workflows and pull requests to deploy both application and infrastructure deployment, scaling, and management of containerized applications. From 2013 to 2014, a revolution in software infrastructure emerged with tools such as Docker that demonstrated the capabilities of containers

standardizes the deployment and management of complex systems, improves collaboration between development and operations teams, and increases the reliability and reproducibility of deployments. GitOps applies them to infrastructure automation. Whereas DevOps is the practice of automating the software development lifecycle, GitOps contributes to the automation of infrastructure. This includes version 3. Pulled automatically Software agents automatically pull the desired state declarations from the source. 4. Continuously reconciled Software agents continuously observe the actual

Deployment 1.12. Secrets management 2. A Vision of GitOps 2.0 2.1. Visibility into the whole software lifecycle 2.2. Observability and business metrics 2.3. Promotion among different environments (our implementation). The pains of GitOps 1.0 GitOps as a practice for releasing software has several advantages, but like all other solutions before it, has also several shortcomings article we will see the following pain points of GitOps: 1. GitOps covers only a subset of the software lifecycle 2. Splitting CI and CD with GitOps is not straightforward 3. GitOps doesn’t address

familiar with DevOps and GitOps For over a decade, software companies have been trying to move away from the waterfall approach to application development to the DevOps approach. Instead of throwing code quickly in response to users’ feedback without taking down the whole application and improves development metrics by orders of magnitude in some cases. However, developers using the DevOps approach can versioned in Git. All changes for operations and applications share the same source of truth. Software agents continuously monitor the Git repo and reconcile any changes or divergences from inside

drifts, and take action Enhanced Security Familiar tools and Git workflows from application development teams Standard Workflow Multi-cluster consistency 7 Source Git Repository Image Registry com/redhatinc twitter.com/RedHat 32 Red Hat is the world’s leading provider of enterprise open source software solutions. Award-winning support, training, and consulting services make Red Hat a trusted adviser

•生成替換掉或增加參數的yaml •kubectl kustomize overlay/development 17 18 19 Use generate YAML and apply on kubernetes •Generate yaml and apply to k8s •kubectl kustomize overlay/development | kubectl apply -f - 20 部署出dev