Whale is an event‑driven automated operations platform that lets developers package atomic tasks, users compose workflows, and a rule‑matching engine trigger them in real time via an event center, employing a StackStorm‑based execution engine for fault‑tolerant, cross‑datacenter orchestration and future AI‑enhanced self‑healing.
The article explains how to design DevOps pipelines with quality thresholds that allow individual feature branches to be tested, scanned, and selectively deployed or rolled back, emphasizing short‑lived branches, trunk‑based development, and feature toggles to avoid the problems of long‑lived feature branches.
The article explains why artifacts should be built only once and treated as immutable, using containers as the ideal vehicle, and warns against the anti‑pattern of rebuilding from source code at each pipeline stage, which slows pipelines and creates inconsistent production releases.
At ServerlessDays China 2021, CTO Wang Xiaobo explained how his team’s shift to a serverless‑first platform—driven by the need for rapid idea rollout, reduced operational overhead, and faster code‑to‑production cycles—reveals both the strategic advantages of serverless for accelerating monetization and the trade‑offs and pitfalls, such as microservice sprawl and workflow complexity, that must be managed through unified DevOps and architectural evolution.
This comprehensive tutorial walks through Docker installation on CentOS 7, explains container fundamentals and differences from virtual machines, details image creation, repository management, container lifecycle commands, networking, data sharing, and demonstrates automated builds and orchestration using Maven and Docker Compose for a full Spring Cloud micro‑service stack.
The article explains how to keep CI/CD pipelines reliable by using a single, identical artifact—such as a package, binary, or Docker image—across all environments, recommends externalizing configuration at runtime, and warns against the common trap of mismatched artifacts that cause deployment failures.
The article explains why comprehensive artifact management and strict version control of all application‑related files—including source code, scripts, configurations, and database assets—are essential for reliable DevOps pipelines, and outlines practical guidelines and common anti‑patterns to avoid.
This article identifies the most common obstacles teams face when adopting test automation—such as choosing approaches, selecting tools, managing data, and timing tests—and offers actionable solutions to help organizations implement effective, sustainable automation pipelines.
This article explains heterogeneous Docker image builds, demonstrates how to name and reference multi‑stage build stages for clearer Dockerfiles, shows how to limit builds with the target flag for debugging, and illustrates copying files from existing images such as nginx to streamline container creation.
This tutorial introduces Ansible, outlines its main features, guides you through preparing a lab environment, configuring hosts and the master node, and demonstrates common modules and command options with clear code examples for effective automation.
This article explains the origins of DevOps, its evolution from agile practices, its deep integration with containers and Kubernetes, and demonstrates a complete CI/CD pipeline using tools like Jenkins, Gogs, Nexus, and SonarQube to achieve automated, end‑to‑end software delivery.
This article provides a comprehensive overview of microservice architecture, covering its definition, history, comparison with monolithic and SOA approaches, core characteristics, practical implementation steps, common design patterns, advantages, challenges, and the mindset shift required for successful adoption.
The article explains how ForgeRock’s engineering team improves developer efficiency and product delivery by using Google Cloud’s native DevOps suite—including Cloud Code, Tekton, Cloud Build, and Container Registry—to streamline IDE workflows, enable end‑to‑end automation, and adopt a multi‑cloud strategy across GKE, EKS, and AKS.
This article details Qunar’s transition to cloud‑native containerization, describing the platform architecture, the technical hurdles encountered—including custom KVM hooks, logging visibility, Java remote debugging, and multi‑cluster performance—and the practical solutions implemented to achieve a stable, scalable production environment.
This article reviews thirteen popular Jenkins alternatives, highlighting their key features, integration capabilities, and pricing, to help development teams choose a more efficient, scalable, and secure continuous integration solution for modern software delivery.
The article warns that while microservices promise independent, scalable development, they often add unnecessary complexity for small teams, leading to duplicated effort, coordination challenges, and potential performance drawbacks if not applied judiciously.
This article explains the purpose and use cases of Kubernetes Jobs and CronJobs, walks through creating job and cronjob manifests with custom Docker images, demonstrates parallel pod execution, random naming, key parameters, and provides practical kubectl commands for deployment, monitoring, and troubleshooting.
This newsletter aggregates recent technical insights covering DevOps continuous integration, React 18 enhancements, CSS size‑adjust for web fonts, micro‑frontend frameworks, cross‑platform reuse patterns, JavaScript exception handling, Node.js multiprocessing, React SSR advances, WebAssembly performance, and product design best practices.
This article compares fourteen popular Jenkins alternatives, detailing each tool's key features, strengths, and drawbacks, and provides project URLs so teams can choose a CI/CD solution that best fits their workflow and cost requirements.
This guide introduces Tekton, a cloud-native CI/CD framework, explains its benefits, components, installation steps, core concepts, and provides a complete example that defines tasks, pipelines, Docker image building, and execution on a Kubernetes cluster.
This article recounts a Tencent front‑end engineer’s QCon 2021 talk on upgrading to a serverless‑based full‑stack development model, covering business motivations, the SCF implementation process, migration to TKE, tooling, DevOps practices, cost optimization, and future technical directions.
This article explains how Docker volumes work, how to mount host directories into containers using the -v and --mount options, and demonstrates data persistence by creating a volume, inspecting its storage location, and verifying that files created inside the container appear on the host.
This article explores the complexity of IT operations, outlining common misconceptions, essential capabilities, organizational and individual pain points, and presents self‑help strategies such as SRE, DevOps, automation, and AIOps to achieve sustainable, scalable, and intelligent operations within enterprises.
The 2021 GOPS Global Operations Conference in Shenzhen showcased the latest enterprise DevOps empowerment plan, announced the 12th batch of continuous delivery assessment results, and featured an interview with China Mobile’s chief scientist Qian Ling, who shared the challenges, successes, and future roadmap of their DevOps transformation.
This article explains how DevOps and I&O leaders can overcome fear of chaos engineering by understanding its theoretical roots, addressing core reliability challenges, and adopting a structured, pre‑production "test‑first" approach with practical steps, tools, and community sharing to enhance system availability.
Lin Ying, a senior test manager at Guoxin Securities, shares insights from his GOPS 2021 talk on the securities industry's digital transformation, current IT challenges, and a comprehensive red‑blue exercise strategy that combines full‑link load testing, automated workflows, and proactive monitoring to ensure system stability during market peaks.
This article explains the fundamentals of version control, why it is essential for DevOps teams, and how it improves productivity, error detection, parallel development, and overall product reliability through better collaboration and traceability.
The article outlines how large‑scale projects can achieve reliable, fast releases by adopting DevOps continuous‑integration practices such as trunk‑based development, comprehensive automated testing, versioned artifact storage, configuration‑as‑code pipelines, Docker layer caching, and staged builds that prioritize short tasks and parallel execution to minimize manual effort and maintain quality.
This article compiles the 20 most common DevOps interview questions, providing detailed explanations of concepts such as the DevOps‑Agile distinction, core benefits, key tools, anti‑patterns, KPI metrics, automation advantages, containers, microservice frameworks, version control practices, Git revert techniques, post‑mortem meetings, asset vs configuration management, continuous testing elements, and essential development and infrastructure operations.
An in‑depth interview with Huawei Cloud MVP Liang Tongming reveals his journey from a childhood PC to leading .NET projects, offers practical advice on career growth, community involvement, and the value of combining technical depth with industry knowledge for modern developers.
At the 2021 GOPS Global Operations Conference in Shenzhen, Southern Power Grid’s Digital Grid Research Institute shared how its DevOps empowerment program is boosting software engineering, CI/CD pipelines, and digital transformation, illustrating the plan’s goals, achievements, and future expectations for the energy sector.
This article presents a comprehensive list of the 20 most common DevOps interview questions, covering fundamentals, tools, practices, KPIs, and troubleshooting techniques, and provides concise, expert answers to help candidates prepare effectively for DevOps roles.
The 2021 GOPS Global Operations Conference in Shenzhen showcased leading financial and tech firms sharing their enterprise DevOps empowerment experiences, revealing how dual‑mode IT architectures and collaborative platforms drive agile development, automation, and industry‑wide best practices.
This article introduces Jenkins shared libraries, explaining their structure, how to create a library with Groovy classes, configure it in Jenkins, and use it in pipelines, including sample code for colored log output and step-by-step setup instructions for DevOps practitioners.
The article outlines ten frequent DevOps pitfalls—from out‑of‑order delivery and role misunderstandings to neglecting security and team fatigue—and provides practical guidance on planning, automation, quality, and cultural practices to achieve successful continuous delivery.
This article explains the advantages of using Dockerfiles for image building, outlines key principles such as single responsibility, commenting, minimalism, proper base image selection, .dockerignore usage, cache optimization, and timezone configuration, and provides a practical example Dockerfile to improve build speed and image size.
In this interview, Alan Page shares expert advice on adopting a test‑first mindset, achieving high test automation, overcoming talent shortages and cultural resistance, and exploring AI/ML opportunities to enhance continuous testing practices within modern software development teams.
At the 16th GOPS Global Operations Conference, JKStack CTO Ge Dingjia detailed how the convergence of ITIL and DevOps, grounded in lean‑thinking value‑stream concepts, drives digital transformation by aligning IT operations with business value through workflow integration, value‑stream mapping, and continuous improvement.
The 2021 GOPS Global Operations Conference in Shenzhen showcased the Enterprise‑level DevOps Empowerment program, featuring interviews with First Capital Securities on their digital transformation, DevOps maturity journey, and the benefits of joining the collaborative initiative.
This article explains the DevOps lifecycle—covering planning, coding, building, testing, releasing, deploying, operating, monitoring, and CI/CD—and lists popular tools for each stage to help teams achieve continuous delivery and efficient collaboration.
The article reflects on Java's 25‑year dominance, its ecosystem strengths, and the mounting pressure from cloud‑native requirements for lightweight, fast‑starting, low‑resource services, arguing that Java must evolve or risk being displaced by newer languages like Go and Rust.
This comprehensive guide walks you through Docker fundamentals, from the underlying concepts of containers versus virtual machines to hands‑on installation, image creation, container deployment, and best practices, empowering developers to containerize and ship applications efficiently.
This article provides a detailed tutorial on Jenkins Pipeline environment variables, covering how to list, read, set, override, store boolean values, and capture shell command output within pipelines, complete with practical code examples and best‑practice tips.
This article presents a high‑availability Jenkins distributed architecture that leverages master‑slave deployment, label‑based node management, Kubernetes containerization, and LVS load‑balancing to address resource constraints, configuration complexity, and maintenance overhead in large‑scale CI pipelines.
This article details China Life Property & Casualty Insurance's agricultural insurance claims system achieving Level 3 DevOps continuous‑delivery assessment, shares insights from an interview with the R&D center head on motivations, implementation, metrics, challenges, and future plans, and explains the DevOps maturity model and pipeline architecture.
The article reports on Inner Mongolia Mobile's successful achievement of Level 3 in the national DevOps continuous delivery assessment, detailing the GOPS conference announcement, the ESOP project's architecture and improvements, interview insights from the IT manager, and the measurable benefits that positioned the company at a domestic leading level.
Anxin Securities’ CIO discusses how the company’s Internet Customer Service Platform passed the DevOps Standard Continuous Delivery Level 3 assessment, detailing the motivations, implementation challenges, measurable improvements, and future plans for scaling DevOps across its technology stacks.
Guoxin Securities’ Chief Engineer Liu Hanxi and IT Head Xue Zhongyi discuss how their Gold Sun information platform leveraged a self‑developed microservice framework and the national DevOps standard to achieve a Level‑3 continuous delivery assessment, dramatically improving delivery speed, test coverage, automation and overall digital transformation.
This step‑by‑step guide shows how to install the libmaxminddb library, compile NGINX with the ngx_http_geoip2 module, download the latest GeoLite2 database, configure geoip2 directives, and verify that foreign IP addresses are blocked with a 404 response.
This article provides a comprehensive overview of GitLab CI/CD, covering its core concepts—pipelines, stages, jobs, and runners—along with .gitlab-ci.yml configuration, variables, triggers, DAG pipelines, runner types, cloud‑native capabilities, efficiency management, and practical demo examples to help teams implement robust DevOps workflows.
Amid accelerating Agile and DevOps adoption, the rapid delivery of cloud‑native microservices introduces cascading risks and makes traditional monolithic testing inadequate, prompting a shift toward observability‑driven “right‑shift” testing, exploratory methods, and chaos engineering to embrace failure as the new normal.
This article introduces ten popular open‑source projects for monitoring, deployment, and reliability engineering, detailing each tool's purpose, key features, and how they help Site Reliability Engineers build scalable, highly reliable cloud‑native systems.
This article explains the main components of a Spring Cloud‑Nginx architecture, version compatibility between Spring Cloud and Spring Boot, essential middleware such as Eureka, Nacos, Zuul and Redis, environment preparation on CentOS, and the structure of the crazy‑springcloud scaffolding used for a high‑performance seckill demo.
This guide outlines a four‑layer backend stack—languages, components, processes, and systems—and provides detailed recommendations for project management, DNS, load balancing, CDN, RPC frameworks, service discovery, databases, NoSQL, messaging, code management, CI, logging, monitoring, configuration, deployment, jump servers, and machine management, helping startups design a robust, cloud‑native backend architecture.
This step‑by‑step guide shows how to install JDK 1.8, download the Jenkins RPM (from the official site or a Tsinghua mirror), install it, modify the config to run as root on port 8888, start the service, retrieve the initial admin password, and complete the Jenkins setup on a CentOS system.
The article lists twenty‑one harmful programming habits—such as reinventing wheels, overusing design patterns, skipping testing, ignoring monitoring, and avoiding proper architecture—that can cripple a development team and serve as a warning for engineers seeking better practices.
This article presents a comprehensive set of Docker and Kubernetes multiple‑choice questions, including single‑ and multiple‑answer formats, to help readers self‑evaluate their containerization knowledge and identify areas for further study in the field.
This article explains how to invoke another Groovy script and all Groovy scripts in a directory from a build.groovy file, providing clear example code that demonstrates defining a method in one script and calling it from another within a DevOps automation context.
This guide explains why a Jenkins agent fails to start with the error "provided port: 8182 is not reachable" and provides step‑by‑step troubleshooting methods such as network testing, Docker port mapping verification, and ensuring proper communication between the agent and master nodes.
This article demystifies Kubernetes by explaining its core scheduling function, the role of Pods, YAML configuration, probes, high‑availability constructs like ReplicaSet and Deployment, internal components, resource limits, and practical cluster‑setup tools, providing a comprehensive guide for newcomers and practitioners alike.
This guide compares Git flow, GitHub flow, and GitLab flow, then presents a practical GitLab‑flow‑based workflow with step‑by‑step branching, merge‑request, release, semantic versioning, and bug‑fix procedures for development teams seeking a simpler, scalable version‑control process.
The article explains that DevOps should be viewed as an interdisciplinary interface rather than a specific job title, contrasts it with traditional roles like software developer or system administrator, and illustrates the concept with a Java‑style code example, while also including a brief promotional note about a DevOps training course.
This article explains how DevOps transforms software testing by moving from isolated, waterfall‑style testing to continuous, automated, shift‑left practices, and outlines best‑practice recommendations such as test automation, tool selection, metrics, documentation, and the role of test‑automation engineers.
This article explains what Kubernetes Jobs and CronJobs are, outlines common use cases, and provides detailed, code‑rich instructions for creating, configuring, and managing them—including parallel execution, random naming, and key parameters—so you can automate batch and ad‑hoc tasks in a cloud‑native environment.
This article outlines a comprehensive backend technology stack for startup companies, detailing language choices, essential components, processes, system tools, and best‑practice recommendations across areas such as project management, DNS, load balancing, databases, messaging, CI/CD, monitoring, and deployment.
The article explains how DevOps evolution models, CI/CD pipeline modeling, and the Software Factory approach—combined with SAFe principles—help large enterprises achieve faster delivery, higher quality, and greater business agility in the digital era.
This guide introduces the lightweight Docker GUI tool Portainer, walks through a two‑step Docker‑based installation, and demonstrates key features such as dashboard overview, container logs, stats, console access, image and network management, user roles, and registry configuration.
The CNCF 2020‑2021 Cloud Native Survey in China reveals rapid growth in container usage, widespread adoption of Kubernetes, increased reliance on public cloud, expanding CI/CD and serverless practices, and a surge in the use of CNCF projects, highlighting the maturing cloud‑native ecosystem across Chinese enterprises.
This guide details a complete GitLab‑based CI/CD workflow that starts with issue and milestone creation, defines feature‑branch pipelines, builds and tests Java applications, performs code analysis, creates Docker images, and deploys to Kubernetes with controlled pipeline triggers and rollback strategies.
This article explains what a CI/CD pipeline is, why it is essential for DevOps, outlines its standard stages, discusses implementation steps and tool‑selection principles, highlights current cloud‑native trends, and warns against common anti‑patterns that can hinder continuous delivery.
This article introduces the Jenkins Deploy Dashboard plugin, explains how to visualize deployment status across environments, and provides step‑by‑step instructions with code examples for adding deployments to the dashboard, creating the view, and adding deployment buttons to pipelines.
When a critical bug and a performance‑heavy jar collide, this guide walks through four practical Git rollback strategies—revert, reset, rebase + revert, and a pure file‑copy method—explaining their commands, pitfalls, and when each is appropriate.
The article outlines twenty‑four essential capabilities across continuous delivery, architecture, product and process, lean management, and culture, derived from the Accelerate research, providing practical guidance for organizations seeking high‑performance software delivery.
The 2021 China DevOps Survey, launched by the China Academy of Information and Communications Technology with nearly 40 industry partners, invites organizations to assess their DevOps maturity, offers a free report and gifts, and builds on 2020 findings that show growing adoption and varied maturity levels across sectors.
This article surveys the most popular open‑source projects for Site Reliability Engineering and DevOps, covering monitoring, deployment, chaos testing, and observability tools such as Cloudprober, Istio, Prometheus, Litmus, and more, highlighting their key features and how they help build scalable, high‑reliability cloud‑native systems.
This article explains how Nexus Repository can serve as a centralized, enterprise‑grade Docker and Helm registry, detailing repository types, configuration steps, and practical commands for creating, exposing, and using a private container registry within a Kubernetes environment.
This article explains how to integrate the SonarQube Sonar Secrets plugin into a CI/CD pipeline to provide early security feedback, detect hard‑coded credentials, build and install the plugin, configure SonarQube, and enable secret scanning for Java and JavaScript projects.
This article introduces Redis, explains why it is popular, describes the architecture of a Redis Cluster, and provides a complete step‑by‑step tutorial for deploying, initializing, validating, and testing a Redis Cluster on Kubernetes with sample code and a hit‑counter application.
This article provides a comprehensive technical overview of Docker’s client‑server architecture, detailing the roles of Docker Client, Daemon, Engine, Jobs, Registry, Graph, drivers, Libcontainer, and how they work together to create and run isolated containers.
This article surveys the 11 most popular open‑source DevOps tools—including Kubernetes, Docker, Istio, GitHub Actions, Jenkins, Prometheus, Ansible, Chef, Terraform, JAMStack, and ELK Stack—while also highlighting the DevOps Foundation certification that helps professionals master these technologies.
This article reviews twenty popular CI/CD tools that can replace Jenkins, highlighting each platform's key features such as parallel testing, Docker integration, cloud provider support, and ease of configuration, helping teams choose the best fit for their DevOps workflow.
This article introduces Prometheus fundamentals, its architecture and metric types, then walks through a complete Kubernetes deployment—including namespace, RBAC, ConfigMap, and various exporters—showing how to collect metrics, configure alerts, and visualize data with Grafana, while highlighting limitations and future improvements.
This article explains why monitoring is essential for production stability, compares white‑box and black‑box approaches, details the advantages of Prometheus, walks through its architecture, metric types, query language, high‑availability strategies with Thanos, and provides practical Kubernetes deployment manifests and configuration tips.
This article provides a comprehensive overview of Docker’s overall architecture and detailed analysis of its core components—including client, daemon, engine, registry, graph database, drivers, and libcontainer—explaining how they interact to manage containers, images, networking, and execution within a cloud‑native environment.
This article, based on a Volcano Engine developer community meetup, compares Spring Cloud and cloud‑native technologies, explains their evolution, and demonstrates how to replace Spring Cloud’s core capabilities—such as configuration, service discovery, traffic management, and auto‑scaling—with Kubernetes, Istio, and other cloud‑native tools.
The article outlines the six essential DevOps capabilities—collaboration, automation, continuous integration, continuous testing, continuous delivery, and continuous monitoring—explaining how each contributes to improving efficiency, reducing errors, and ensuring reliable software delivery in modern IT environments.
The 2020‑2021 Cloud‑Native Technology Landing Survey, conducted by CNBPA, Lingqu Cloud and the Cloud‑Native Community, collected 783 responses from finance, manufacturing, energy, pharma, telecom and government sectors, revealing that cloud‑native adoption—including containers, DevOps, micro‑services, Kubernetes, Service Mesh and cloud‑native databases—has roughly doubled in production environments and is now the primary driver of digital transformation in traditional enterprises.
This article provides an in‑depth comparison of Jenkins and GitLab CI/CD, covering their histories, core features, strengths, weaknesses, and practical guidance to help DevOps professionals choose the most suitable continuous integration and delivery platform for their specific project requirements.
The article explains how low‑code platforms improve R&D efficiency by offering visual coding, drag‑and‑drop model design, streamlined UI creation, integrated workflow tools, and DevOps capabilities, while comparing lightweight and heavyweight solutions and discussing their suitable scenarios and limitations.
The 2020 China DevOps Status Survey reveals that while over 60% of companies have adopted DevOps, many still struggle to assess its success, highlighting key performance criteria, maturity levels, and ongoing challenges such as expertise gaps and metric definition.
This article provides a comprehensive overview of microservice architecture, covering its definition, history, differences from monolithic and SOA approaches, core characteristics, practical implementation steps, common design patterns, advantages and challenges, and a mindset shift toward DevOps and Docker.
Kubernetes 1.21, the first 2021 release, introduces 51 enhancements—including stable CronJobs, immutable Secrets/ConfigMaps, dual‑stack IPv4/IPv6 support, graceful node shutdown, and new health monitoring for PersistentVolumes—while deprecating PodSecurityPolicy and TopologyKeys and offering a suite of new beta and stable features for cloud‑native workloads.
This article provides a detailed guide on implementing CI/CD pipelines for microservices using Jenkins, GitLab webhooks, and GitOps, covering repository setup, pipeline stages, code snippets for Jenkinsfiles, webhook configuration, image building, and deployment with Helm in a cloud‑native environment.
This tutorial demonstrates how to gather Nginx access and error logs using Filebeat, Logstash, and Rsyslog, configure each component, and ship the logs to an Elasticsearch cluster for visualization in Kibana, offering three practical collection methods.
The author, despite not being an avid reader, curates a personal list of twenty essential Agile and DevOps books—ranging from novel‑style introductions to practical guides—offering brief insights on each title to help readers deepen their understanding of agile practices and DevOps culture.
This article outlines ten practical techniques—from avoiding chat tools for SQL transmission to using soft deletes, backup tables, and proper field management—to help developers, testers, and DBAs safeguard production databases against accidental data loss and costly errors.
This guide walks through installing required tools, configuring Postfix, adding the GitLab repository, installing GitLab CE on a Kubernetes master, adjusting default ports in GitLab’s configuration files, reloading the setup, and accessing the service via a web browser.
This article provides a comprehensive overview of microservice concepts, their differences from traditional SOA, the benefits of agility, scalability and independent deployment, and details RongShu Data's architectural choices, technology stack, design principles, DevOps platform, team organization, and practical implementation guidelines.
This article explains the fundamentals of CI/CD within DevOps, compares leading CI/CD tools, outlines a four‑stage implementation process, and details the numerous benefits such as faster delivery, higher quality, improved productivity, and reduced costs.
This article examines how result‑oriented DevOps drives digital transformation while exposing digital risks—from missing high‑level test scenarios and broken security data links to insufficient user‑experience foresight—and outlines strategies for data governance, risk mitigation, and effective decision‑support across the enterprise.
