This guide demonstrates how to create a Docker image for Apache Tomcat on CentOS by preparing a Dockerfile that installs JDK, adds Tomcat binaries, sets an ENTRYPOINT to start the server, and exposes port 8080 for containerized deployment.
This article explains the concept of canary (gray) releases, demonstrates how to perform rolling updates and precise traffic splitting in Kubernetes, and shows how to achieve fine‑grained canary deployments using Istio’s VirtualService and DestinationRule resources with practical YAML and kubectl examples.
This article explains what bug tracking is, outlines a typical bug‑tracking workflow, describes the elements of a good bug report, lists criteria for choosing a bug‑tracking tool, and reviews twelve popular tools with their features, integrations, pricing, advantages and disadvantages, concluding with recommendations for teams of all sizes.
The article explains test orchestration as a coordinated, automated testing workflow that enhances software quality and delivery speed by eliminating manual errors, integrating with CI/CD pipelines, and leveraging tools such as Ansible, Jenkins, and Kubernetes to streamline testing processes across DevOps environments.
This article explains the principles of agile development, outlines typical agile workflows and case studies, and then provides a comprehensive overview of the cloud native technology stack, including application definition, orchestration, runtime, provisioning, platform, observability, and serverless components, illustrating how modern IT teams can transition from traditional practices.
This tutorial demonstrates how to create a Dockerfile on a CentOS host, build an Nginx image, run the container, and verify its operation, while highlighting the importance of specifying an entrypoint or CMD in the Dockerfile.
This article explains how to effectively use static and dynamic environment variables in Kubernetes, including explicit definitions, implicit inclusion, Helm injection, and ConfigMap-based approaches, to streamline operations, reduce complexity, and improve microservice configuration and logging.
This guide explains how to install Docker Desktop on Apple Silicon M1 Macs, covers required Rosetta compatibility, shows the Docker Desktop features, demonstrates running containers and a Redis instance, and discusses resource settings and Kubernetes support, providing a practical end‑to‑end workflow.
This guide explains the blue‑green deployment concept, outlines its pros and cons, and provides a step‑by‑step Kubernetes tutorial—including image loading, namespace creation, deployment manifests, service configuration, and traffic switching—to achieve zero‑downtime releases.
iQIYI integrated JaCoCo with its DevOps pipeline, using Git diff and Jira‑linked branch naming to automatically generate fine‑grained coverage reports at incremental, branch, and requirement levels, enforcing 90 % thresholds that lifted backend service coverage from under 70 % to over 90 % and markedly improved reliability.
The article explains how agile development and DevOps extend beyond coding to cover the entire application lifecycle, how containers and Kubernetes enable seamless collaboration between developers and operations, and why microservice architecture and Conway's law are essential for building scalable, cloud‑native systems.
Sealer is an open-source Alibaba tool for packaging, delivering, and running distributed applications as cluster images, simplifying Kubernetes cluster deployment and management on Linux systems.
The article explains how adopting automation and continuous testing—through appropriate tools, metric tracking, containerization, transparent communication, multi‑layer and performance testing—accelerates error detection, improves software quality, and enables faster, reliable releases in modern DevOps pipelines.
The article examines how enterprises evolve their R&D capabilities through three stages—adopting mature toolchains, building integrated development platforms, and finally creating open technology platforms—highlighting the benefits, challenges, and best practices for improving delivery efficiency and fostering collaborative innovation.
This article introduces the Jenkins Deploy Dashboard plugin, explains its purpose for visualizing deployment status across environments, and provides step‑by‑step instructions—including adding deployments to the dashboard, creating the dashboard view, and adding deployment buttons—using both scripted and declarative pipelines.
An interview with Qingchuang Technology’s co‑founder reveals how their Sherlock AIOps platform passed the first domestic AIOps system and tool assessment, illustrating the role of AI‑driven alarm convergence, the significance of the CAICT maturity model, and future plans for intelligent IT operations across industries.
The article explains how AIOps, built on DevOps principles and leveraging AI and big‑data analytics, helps enterprises overcome governance challenges, improve operational efficiency, and accelerate digital transformation, highlighting standards, real‑world evaluations, and key benefits such as real‑time analysis and noise reduction.
This guide presents a detailed 2021 Java learning roadmap covering programming fundamentals, JVM internals, concurrency, data structures, algorithms, databases, development tools, backend frameworks, DevOps practices, and interview preparation, with curated resources and a practical study schedule to help learners secure a strong job offer.
This guide explains how to set up SonarQube and Sonar‑scanner for static code analysis, run the scanner with project parameters, install the Sonar‑GitLab plugin, configure commit‑status integration, and use the resulting GitLab commit status to enforce merge‑request policies based on pipeline outcomes.
This extensive guide covers Docker fundamentals, container concepts, installation steps, basic and advanced commands, image lifecycle, volume handling, Dockerfile creation, networking options, Docker Compose orchestration, private registries, Harbor deployment, best‑practice recommendations, and monitoring techniques, providing a complete reference for container‑based development and operations.
The article details how Xueersi's 1‑to‑1 quality‑efficiency team transformed their cumbersome manual test‑environment setup into a fast, containerised, Kubernetes‑driven workflow, introducing swim‑lane environments, trace‑ID coloring, and a continuous‑delivery platform to dramatically improve resource utilization and deployment speed.
The article examines how AI-driven tools are reshaping DevOps practices, introducing concepts like AIOps and NoOps, evaluating their impact on development speed, quality, and the evolving role of engineers, and ultimately questioning whether AI will replace traditional DevOps personnel.
This tutorial shows how to uninstall Docker Desktop on macOS, install Hyperkit, Docker CLI, kubectl and Minikube, configure CPU/memory limits, enable Ingress, MetalLB and other add‑ons, and keep Docker images and volumes while running a local Kubernetes cluster efficiently.
Learn how to install Jenkins inside Docker using the jenkinsci/blueocean image, configure ports and volumes, unlock the instance, set up credentials for Git and SSH, create a multi‑branch pipeline with Blue Ocean, and write a Jenkinsfile that automates build, test, and deployment steps.
Zhang Chenyu from Lingque Cloud shares a comprehensive enterprise‑level Harbor case study, covering its role as an image registry, migration from 1.x to 2.x with multi‑architecture support, internal governance policies, integration with ACP, community contributions, performance workgroup findings, and the offered Harbor Enterprise edition.
Zhengzhou Bank’s new retail loan system passed the third‑level DevOps continuous‑delivery assessment, leading to a 2.31‑fold increase in annual delivery demand, an 18‑day reduction in cycle time, and a shift to automated, seconds‑level environment delivery, illustrating the transformative power of standardized DevOps practices.
The article reports that Zhejiang Mobile’s AIOps system and tool modules, including anomaly detection and alarm convergence, successfully passed the first‑stage assessment by the China Academy of Information and Communications Technology, highlighting the growing importance of AI‑driven operations, sharing interview insights on implementation, benefits, and future plans.
The article explains the concept of AIOps, details Guangdong Mobile’s AI‑plus‑knowledge experience fault‑diagnosis platform passing the first‑stage AIOps maturity assessment, shares interview insights from senior managers, and outlines future development directions for intelligent IT operations.
The article explains how AIOps leverages AI to enhance IT operations, details Huatai Securities' successful first‑batch evaluation by the China Academy of Information and Communications Technology, and outlines future plans and the emerging AIOps maturity model standards.
The 2021 DevOps International Summit in Beijing announced the latest DevOps capability maturity assessments for dozens of enterprises, introduced the new AIOps maturity model, and highlighted the global significance of China’s DevOps standards across finance, telecom, and other industries.
The DevOps International Summit in Beijing announced that 42 enterprises covering 108 projects achieved level‑3 maturity in the CAICT DevOps Capability Model, highlighting the impact of standardized tools and processes on software delivery efficiency across finance, telecom and other sectors.
This article shares a practical three‑step method for turning KPI from a hindrance into a catalyst during agile and DevOps transformation, covering urgency creation, pilot projects, and performance‑assessment redesign, while illustrating how integrated tools and feedback loops boost delivery efficiency and business value.
The article explains the critical differences between traditional test automation and continuous testing, detailing how continuous testing, integration, delivery, and deployment enhance software quality, speed, and team efficiency within a DevOps environment.
The article examines ByteDance’s terminal technology team, outlining current front‑end trends, the challenges of complex processes, component chaos, and massive architecture, and presents their veMARS solutions for DevOps, component management, and application frameworks to improve platform development efficiency.
This article explains how to create a Go‑based command‑line tool that queries Harbor projects and repositories, lists image tags, and automatically deletes older tags while retaining a configurable number of recent ones, streamlining storage management and avoiding manual page‑by‑page deletions.
This guide walks through every Dockerfile instruction—from variables and FROM to ENTRYPOINT and HEALTHCHECK—explaining syntax, usage tips, and common pitfalls, so you can build efficient, reproducible container images with confidence.
This article explains how to secure sensitive Spring Boot configuration properties such as database credentials by integrating the Jasypt library, configuring encryption keys, generating encrypted values through test code, and applying the encrypted strings in application.yml, including deployment‑time salt handling for enhanced security.
This tutorial walks through checking a Kubernetes cluster, creating a namespace with Istio sidecar injection, deploying the Bookinfo sample application, applying Istio gateway resources, and verifying services and endpoints using kubectl commands.
This guide walks you through the core kubectl syntax, common subcommands, global flags, output formats, and practical examples, enabling you to efficiently manage Kubernetes resources from the command line.
In this keynote from the 2021 Excellence Engineering Productivity Conference, the speaker outlines a systematic approach to R&D efficiency, introduces the “golden triangle” concept, maps practical implementation steps, describes a layered platform architecture, and details five key metrics for continuous improvement.
This article chronicles a recent graduate’s year‑long journey mastering cloud‑native technologies, detailing the design and implementation of a multi‑cluster Kubernetes architecture, unified logging, CI/CD pipelines, service governance with Istio, and private deployment strategies for a 3D editor platform.
This article provides a step-by-step guide to installing Istio on a Kubernetes cluster, including verifying node status, creating the istio-system namespace, copying the istioctl binary, selecting a profile, generating manifests, and checking deployed pods and services.
This article explains how Spinnaker enables continuous delivery in Kubernetes environments by describing its role, deployment workflow, micro‑service architecture, pipeline design across DEV and UAT namespaces, and practical best‑practice recommendations for secure and efficient CD operations.
This guide explains how to upload build artifacts to external repositories by using Nexus API for Maven artifacts and GitLab's generic package registry, covering authentication methods, required parameters, curl commands, and CI/CD job examples for automated publishing.
This guide compiles over 300 interview-style questions covering Python fundamentals, network programming, concurrency, databases, caching, frontend frameworks, DevOps tools, and system design, along with code snippets and brief explanations to help candidates prepare for technical interviews.
The article examines the three‑year evolution of Alibaba's DEF front‑end engineering platform, highlighting its shift toward a monolithic architecture, the resulting complexity and cost issues, and the multi‑layered solution—including infrastructure upgrades, SAAS/PAAS/IAAS separation, and micro‑frontend strategies—to improve efficiency, quality, and developer experience.
This guide explains how to store, upload, and retrieve build artifacts using Nexus repository manager through its UI, Maven configuration, Jenkins Nexus Artifact Uploader plugin, custom pipeline functions, and direct REST API calls, including download examples with curl and wget.
Ant Group built a comprehensive R&D Insight system that combines measurement infrastructure, a unified metric framework, and a comprehensive evaluation model to turn massive development data into actionable diagnostics, enabling company‑wide, team‑level, and outsourcing efficiency improvements across thousands of engineers.
This article presents a comprehensive overview of serverless application DevOps, covering the definition, benefits, common use cases, development workflow, container image deployment, CI/CD pipelines with AWS SAM, security strategies, monitoring tools, and real‑world examples such as Coca‑Cola.
This article details Dada's journey from identifying costly business‑configuration pain points to designing and deploying an automated configuration center that isolates business settings, improves system stability, enhances robustness, accelerates development, secures data, and delivers measurable performance gains.
This article explains how GitLab CI/CD can be used to run continuous integration, trigger downstream pipelines across multiple projects, pass variables and specify branches, with practical code examples for microservice‑based architectures and guidance on pipeline visualization and permissions.
This article explains the full CI/CD pipeline—from code commit, static analysis, building, testing, and artifact storage to continuous deployment, baking, verification, and monitoring—detailing participants, tools, and processes that enable fast, reliable, and automated software delivery in modern DevOps environments.
This guide explains how to set up a Gerrit instance, configure SSH keys and permissions, install the Gerrit Trigger plugin in Jenkins, and create a Jenkins pipeline that automatically runs when a review is merged, providing a complete end‑to‑end CI/CD workflow.
This article shares a collection of powerful kubectl commands and tips—including API debugging, status‑based pod filtering and deletion, node‑specific pod listing, distribution counting with awk, and proxy usage—to help experienced Kubernetes users work more efficiently and avoid manual API client coding.
This article outlines the core technology categories and specific tools—planning, issue tracking, source control, build, testing, CI/CD, configuration management, cloud platforms, container orchestration, monitoring, communication, and knowledge sharing—that together enable teams to implement DevOps practices effectively and deliver value sustainably.
This article presents a collection of powerful kubectl commands and techniques—including API inspection, status‑based pod filtering, node‑specific pod listing, distribution counting with awk, and proxy usage—to help Kubernetes users troubleshoot and manage clusters more efficiently.
This comprehensive guide introduces Docker’s core concepts, advantages over traditional VMs, architecture, essential commands, installation steps, Dockerfile syntax, image management, storage options, and networking modes, providing practical examples and code snippets to help developers efficiently containerize and deploy applications.
By applying data‑driven operations to a rapidly growing front‑end data‑platform team, we defined key metrics, built automated reporting tools, and leveraged monitoring and analytics to uncover bottlenecks in code review, ultimately improving development efficiency, visibility, and decision‑making across projects.
Docker is a lightweight, open‑source container platform that packages applications and their dependencies into portable images, offering faster startup, lower resource consumption, and easier migration compared to traditional virtual machines, while providing isolation, standardization, and security for modern cloud‑native deployments.
The 2021 DORA Accelerate State of DevOps report, based on responses from over 32,000 professionals, reveals new performance metrics, the impact of SRE and security supply‑chain practices, cultural factors affecting burnout, and how cloud adoption continues to drive higher software delivery and organizational performance.
This article describes how the Auto Home Dealer business unit transformed its software quality process over three years by piloting, scaling, and institutionalizing testing practices, addressing role‑specific challenges, introducing automation, and continuously measuring impact to achieve faster, more reliable releases.
This article analyzes why our Kubernetes clusters were constantly unstable—citing an erratic release process, missing monitoring, logging, documentation, and unclear request routing—and presents a comprehensive solution that includes a Kubernetes‑centric CI/CD pipeline, federated monitoring, centralized logging, a documentation hub, and integrated traffic management.
Google’s 2021 DORA Accelerate State of DevOps report, based on over 32,000 professionals, reveals that elite teams dramatically outperform low‑performing teams across deployment frequency, lead time, recovery time and failure rates, while highlighting new reliability metrics, the importance of team culture, SRE, cloud adoption, secure software supply chains and documentation.
This article provides a comprehensive overview of distributed system architecture, covering design patterns such as gateways, sidecars and service meshes, performance techniques like caching and sharding, fault‑tolerance mechanisms including rate limiting and circuit breakers, and DevOps practices for deployment and monitoring, all aimed at building resilient cloud‑native applications.
This article examines how three major Chinese insurance firms applied the CAICT DevOps Capability Maturity Model to improve IT efficiency, integrate teams, and accelerate continuous delivery, highlighting architectural innovations, cloud adoption, and measurable performance gains across distributed core systems, e‑commerce platforms, and agricultural claims solutions.
This article analyzes the major challenges of large‑scale manual testing, proposes a three‑step reconstruction using standardized inputs, intelligent execution and analysis, and details the implementation of a mind‑map case‑management platform and a white‑box based intelligent testing system with real‑world case studies.
This article explores HashiCorp's evolution, detailing how its low‑code tools like Terraform, Nomad, Consul, and Vault automate complex cloud infrastructure tasks, the founders' story, product pivots, and the company's future in the rapidly changing cloud‑native landscape.
This article provides a comprehensive overview of microservices architecture, contrasting it with monolithic systems, detailing its principles, advantages, disadvantages, communication patterns, governance, containerization, DevOps impact, and real‑world case studies, while offering practical considerations for adoption.
This article shares a collection of powerful kubectl commands and techniques—including API debugging, status‑based pod filtering and deletion, node‑specific pod listing, pod distribution statistics, and proxy usage—to help Kubernetes operators work more efficiently and avoid manual API scripting.
This article provides a detailed Docker tutorial covering container fundamentals, installation steps, basic commands, image lifecycle, volume handling, Dockerfile creation, image layering, Zabbix deployment, private registry setup, Docker‑Compose orchestration, networking modes, and best‑practice recommendations for container operations.
This article explains the various stages of a CI/CD pipeline, detailing the roles, processes, and tools involved in continuous integration, testing, building, deployment, and monitoring, and highlights why such pipelines are essential for fast, scalable software delivery in modern organizations.
This article provides a comprehensive overview of Kubernetes, covering its core features, resource‑estimation examples, evolution of service deployment models, the relationship between cloud and Kubernetes, cloud‑native principles, and a detailed look at its historical background and architectural components.
This article explains how Kaniko, a Google‑open‑source tool, enables building and pushing container images without a privileged Docker daemon by comparing traditional Docker methods, highlighting security concerns, and providing a step‑by‑step demonstration with commands and verification in a Kubernetes‑friendly environment.
This guide explains how to define automation goals, choose suitable test types, select appropriate frameworks and tools, and apply best practices for creating, running, and maintaining test scripts to improve ROI and product quality.
This article reviews the China Academy of Information and Communications Technology's DevOps Capability Maturity Model, shows how major state‑owned banks have participated in 39 assessments, and presents detailed case studies illustrating each bank's DevOps adoption, challenges, and outcomes.
This article explores the fundamental difficulties of quantifying software development efficiency, outlines common measurement pitfalls and anti‑patterns, and offers practical guidance for building a systematic, data‑driven R&D performance framework that truly drives improvement.
This guide walks beginners through a structured learning path for Kubernetes, covering fundamentals, core components, key objects, controllers, storage, networking, resource management, security, cluster operations, backup, logging, monitoring, DevOps practices, and deeper topics like architecture, source code, and operator development.
This article details how leading Chinese telecom operators have adopted the CAICT‑led DevOps Capability Maturity Model, evaluating 17 projects across multiple companies to improve IT efficiency, integrate resources, and support business systems, showcasing concrete performance gains and best‑practice insights.
This guide walks you through Docker fundamentals, comparing containers to virtual machines, explaining core concepts, installation, building and running a Vue project inside an Nginx container, and provides best practices and commands for image creation, container management, and deployment, enabling you to master containerization from scratch.
This article examines how leading Chinese securities firms adopt the CAICT‑led DevOps Capability Maturity Model, presenting detailed case studies, assessment metrics, and improvements in continuous delivery, technical operation, and security that illustrate the model’s industry impact.
This comprehensive guide walks beginners through Kubernetes fundamentals, core components, key objects, storage, networking, resource management, security, cluster operations, backup, logging, monitoring, DevOps practices, and deep‑dive techniques, providing a clear learning path and practical tips for effective use.
This article examines how major Chinese state‑owned banks applied the CAICT DevOps Capability Maturity Model to improve IT efficiency, integrate resources, and support business systems, detailing assessment numbers, project implementations, challenges, and outcomes across continuous delivery, security, and toolchain standards.
This article demonstrates how to set up a GitLab CI pipeline trigger token, use curl or Postman to invoke the pipeline via API, embed the trigger in .gitlab-ci.yml, and pass custom variables to the job, with example scripts and best‑practice tips.
This tutorial explains HTTP fundamentals, shows how to install and configure the Jenkins Generic Webhook Trigger plugin, and demonstrates parsing GET, POST, and header parameters using curl, Postman, and Jenkinsfile Groovy scripts for automated CI/CD pipelines.
This article outlines how major Chinese banks have adopted the CAICT-led DevOps Capability Maturity Model, presenting participation numbers, describing the standard’s development and global significance, and providing contact details for further engagement.
This article examines the challenges of exploding microservice counts, rising infrastructure costs, and complex topologies, and details a cloud‑native, service‑decoupled DevOps infrastructure that uses standardization, declarative provisioning, intelligent automation, contract and diff testing, and a unified release engine to dramatically improve delivery efficiency and reliability.
This guide explains how kubectl interacts with the Kubernetes API, demonstrates command‑completion setup for Bash, Zsh and macOS, shows how to view resource specifications, use custom‑column output, switch clusters and namespaces via kubeconfig or kubectx, and extend functionality with plugins such as krew.
This guide compares node-exporter, metric-server, and kube-state-metrics, explains their different focuses, and provides step‑by‑step instructions to deploy metric‑server, verify its API, and use kubectl top to monitor node and pod resource usage in a Kubernetes cluster.
This article explains FinOps as cloud financial operations, outlines how to plan Microsoft ERP projects, and presents eight DevOps best practices—including empowered teams, version control, deployment automation, trunk‑based development, continuous testing, test automation, shift‑left security, and monitoring—while advising on selecting appropriate DevOps tools.
GitOps automates infrastructure management by applying DevOps best practices such as version control, pull requests, and CI/CD pipelines to declarative infrastructure code, enabling reliable, observable, and secure deployments especially in Kubernetes‑based cloud‑native environments.
In a detailed interview, Henan Zhongyuan Consumer Finance explains how its new generation consumer loan system achieved the industry‑first Level‑3 DevOps continuous delivery assessment, highlighting the standards, tools, performance metrics, challenges overcome, and future plans that together illustrate the transformative power of standardized DevOps practices.
China Everbright Bank’s interview reveals how adopting DevOps standards and a continuous delivery pipeline boosted development speed, quality, and efficiency, with measurable improvements such as 90% build success, 60 daily integrations, and faster release cycles, illustrating the strategic value of standardized, tool‑enabled software delivery.
This article details China Tower's adoption of DevOps standards and a continuous delivery pipeline, covering the assessment process, project specifics, challenges overcome, measurable benefits, future plans, and broader insights into the DevOps capability maturity model within the telecom industry.
CITIC Securities’ CIO Xiao Gang discusses how their outsourced service platform achieved Level‑3 DevOps continuous delivery assessment, detailing the motivations, implementation challenges, measurable improvements, and future plans, while highlighting the broader significance of the national DevOps maturity model for the financial sector.
The interview reveals how Haitong Securities leveraged the national DevOps standard assessment to transform its software development, achieving level‑3 continuous delivery maturity, accelerating release cycles, improving quality, and outlining future DevSecOps and industry‑specific standardization plans.
China Bank’s software center shares how its enterprise‑grade DevOps cloud platform passed the national DevOps standard assessment with excellent ratings, boosting build success rates, reducing deployment times, and driving a culture of secure, end‑to‑end continuous delivery across the bank.
The article details how JiAnXin FinTech’s YaoGuang Agile Development Platform achieved an excellent rating in China’s first national DevOps standard evaluation, sharing interview insights on platform architecture, the importance of end‑to‑end toolchains, future DevOps trends, and the tangible benefits realized after the assessment.
This article translates and analyzes the 15th Global Agile State Report, highlighting the rise of remote and hybrid work, the shift toward prioritization over capacity, ongoing challenges such as cultural resistance and cross‑team inconsistencies, the growing importance of DevOps tools, and the necessity of scaling agile practices.
The article analyzes how digital transformation creates new "agile IT" demands—such as massive app operations, self‑developed services, frequent migrations, and decoupled architectures—and explains why cloud‑native technologies, organized around containers, microservices, and DevOps, are essential to meet these challenges across four evolutionary stages.
The article describes how a to‑B SaaS platform tackled exploding microservice counts, soaring infrastructure costs, complex topologies and high‑frequency releases by standardizing, declaratively provisioning, and intelligently automating cloud‑native DevOps services, resulting in dramatically improved delivery efficiency and reliability.
