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 (DORA) application code. This built-in observability allows for fast iteration and experimentation, and allows development teams to make crucial decisions before they deploy new features. Features or other updates like they know, using pull requests to accelerate deployment and operations tasks. The benefits for development teams include increased velocity and improved system reliability. Increased velocity with GitOps

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 in Git allow developers to use familiar workflows, reducing the time it takes to spin up new development, test environments, or deploy new features to a cluster. Teams can ship more changes per day approach, the development team remains dependent on the operations team to deploy new changes in production. GitOps empowers teams to become more efficient and strategic. It enables development teams to

Chapter 4–Git Workflows Separate Your Repositories Separate Development in Directories, Not Branches Trunk-Based Development Policies and Security Summary 25 Chapter 5–Repository 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 ways, the Agile Manifesto is the grandfather of DevOps. Agile development practices were a big step toward improving the application development process for the end user and for internal or external customers

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 they would go about 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 are essentially application development teams that build features and release code into production. Platform teams, on the other hand, exist to support application development teams and make resources

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 deployment. This allows your team to ship 30-100x more changes per day, and increases overall development output 2-3 times. 1. Increased Productivity 2. Enhanced Developer Experience Key Benefits of

standardizes the deployment and management of complex systems, improves collaboration between development and operations teams, and increases the reliability and reproducibility of deployments. GitOps 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 control promotes modularity, independence, collaboration, versioning, and security. It allows for efficient development, testing, and deployment of both application and infrastructure components while ensuring clear

•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

software companies have been trying to move away from the waterfall approach to application development to the DevOps approach. Instead of throwing code over a wall to a separate engineering team and 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

way we develop and manage applications, resulting in faster, more consistent, more collaborative development cycles. It has evolved further by incorporating microservices-based architectures and even databases management solutions such as Terraform. The goal of GitOps is to simplify and streamline the development process. This leads to building reproducible infrastructure with proper state management, which

base │ ├── deployment.yaml │ ├── kustomization.yaml │ └── service.yaml └── overlays ├── development │ ├── kustomization.yaml │ └── replicas.yaml ├── production │ ├── kustomization no support for dynamic scripting/variables What's next in OpenShift Q3CY2020 Cloud Native Development OPENSHIFT PIPELINES Near Term (3-6 months) Mid Term (6-9 months) Long Term (9+ months) ECOSYSTEM