The article analyzes the 2012 Knight Capital Group disaster, showing how a manual deployment error, lingering legacy code, missing kill‑switch, and inadequate monitoring caused a $4.6 billion loss within 45 minutes, and extracts key DevOps best‑practice lessons to prevent similar failures.
This article provides a comprehensive overview of Kubernetes, explaining its master‑node architecture, core components, deployment workflow, pod fundamentals, scaling and update strategies, networking layers, and service discovery mechanisms, enabling readers to grasp how container orchestration works in practice.
This article introduces Docker fundamentals, compares containers with virtual machines, explains core concepts, walks through installation, basic commands, building a Docker image for a Vue application, running and publishing the container, and shares best‑practice tips for containerization.
This comprehensive guide explains Kubernetes' architecture, core components, deployment workflow, pod fundamentals, container orchestration patterns, networking model, and service discovery, providing a clear understanding of how containerized applications are managed and accessed in a cloud‑native environment.
This article outlines the latest upgrades to the open‑source Mall project, including migration to SpringBoot 2.3.0, support for Elasticsearch 7.6.2, enhanced ELK log collection, unified Swagger and Redis configurations, and updated deployment guides for Windows and Linux environments.
This tutorial walks you through creating a Flask‑based search engine backed by Elasticsearch, covering configuration files, a reusable logging setup, blueprint routing with pagination, and both Flask‑script and Gunicorn deployment options.
This guide walks you through creating a Django project, configuring uWSGI and an INI file, setting up Nginx as a reverse proxy, enabling HTTPS with SSL certificates, collecting static files, and scaling the deployment for high availability, all with clear command‑line examples.
This article explains how the WebSocket API provides bidirectional, message‑oriented communication, compares its latency and overhead with XHR and SSE, discusses compression and custom protocols, and offers practical deployment and tuning guidelines for long‑lived connections.
EDAS offers a comprehensive deployment toolkit—including IDE plugins, Maven integration, Jenkins CI/CD, Terraform orchestration, and a powerful CLI—designed for developers and ops teams to quickly and safely deploy Java applications to ECS or Kubernetes clusters while enforcing namespace controls and change‑management best practices.
This article examines the rise of web‑application firewalls, outlines common deployment challenges, compares several WAF operating modes—including bypass, layer‑2 transparent, and proxy architectures—and proposes load‑balancing strategies to achieve secure, high‑availability web services.
This guide walks developers through creating an Alibaba Cloud ACK Kubernetes cluster, importing it into EDAS, initializing a cloud‑native Spring Cloud application, choosing the appropriate runtime, and deploying the app directly from an IDE plugin for fast, efficient releases.
This guide walks you through Linux fundamentals, installation methods, essential commands, directory and file operations, networking, firewall, package management, MySQL and Tomcat deployment, as well as user, group and scheduled‑task administration, providing practical examples and code snippets for each step.
This article provides a comprehensive overview of Kubernetes, covering its overall architecture, core components, deployment workflow, pod fundamentals, container orchestration patterns, scaling, updates, networking, and service discovery, enabling readers to grasp how Kubernetes orchestrates containerized micro‑services.
This article introduces Spark Thrift Server, explains how to deploy it by copying configuration files and required JARs, details its architecture and SQL execution flow, compares it with HiveServer2, and discusses its advantages, limitations, and practical suitability.
This guide walks you through creating a Python Flask project, manually building and running its Docker image, configuring GitLab runners, writing a .gitlab-ci.yml pipeline for style checks, tests, deployment, and release, and managing a private Docker registry for versioned releases.
This article presents a lightweight gray release approach for complex flight ticket services, comparing traditional hardware and soft‑routing isolation methods, describing the authors' traffic‑based gray identification, business‑focused monitoring, implementation details, and automated safeguards to enable safe incremental deployments.
This article introduces TiDB, an open‑source distributed HTAP database compatible with MySQL, explains its architecture—including TiDB Server, PD, TiKV, and TiSpark—covers deployment requirements, highlights key advantages such as elastic scaling, fault‑tolerance, strong consistency, and provides practical tips and common pitfalls for production use.
This step‑by‑step guide shows how to download the k3s binary, upgrade the kernel for WireGuard support, install WireGuard, configure the control plane and worker nodes, fix flannel IP issues, and enable metrics‑server on a cross‑cloud Kubernetes cluster.
This article walks beginners through the full process of preparing a Kubernetes environment and deploying both PHP (WordPress) and Java (Tomcat) web applications, covering image creation, namespace setup, secrets, deployments, services, ingress configuration, and host binding.
This guide explains two methods for mounting Ceph RBD in Kubernetes—static PV & PVC and dynamic StorageClass—detailing secret creation, PV, PVC, and deployment configuration, and then shows how to mount CephFS directly in a deployment without separate PV/PVC, including all required YAML and commands.
This guide explains how to install and configure the open‑source Mattermost messaging platform on a Kubernetes cluster using Helm, covering repository setup, chart selection, namespace creation, persistent volumes, external PostgreSQL integration, custom values.yaml adjustments, ingress configuration, and troubleshooting steps.
This article explains why a typical Deployment + LoadBalancer setup can experience downtime during updates, analyzes the pod lifecycle, endpoint synchronization, iptables/ipvs and SLB interactions, and provides concrete configuration steps—including readiness probes, preStop hooks, and Service traffic policies—to achieve zero‑downtime deployments.
This article details the evolution of Zhihu's deployment platform, covering its early physical‑machine system, the transition to container orchestration with Kubernetes, and the implementation of blue‑green, canary, and pre‑release strategies that enable fast, reliable continuous deployment.
Learn how to automate the packaging, Docker image creation, and remote deployment of a SpringBoot application using a semi‑automatic script and Jenkins, covering Dockerfile setup, Bash deployment scripts, Jenkins Publish Over SSH configuration, and best practices for reliable production releases.
This guide explains how to set up the mongo_monitor tool—a PHP‑based graphical monitor for MongoDB—by installing required PHP extensions, configuring a MySQL schema, adding MongoDB credentials, customizing email and WeChat alerts, scheduling data collection via cron, and accessing the web dashboard.
This article explains how Docker solves environment‑configuration challenges, compares containers with virtual machines on startup speed, resource usage, and isolation, outlines Docker’s key advantages such as easy deployment and low cost, and discusses its remaining drawbacks like isolation limits, performance under high concurrency, and storage considerations.
This article documents the step‑by‑step practices of a six‑person test‑environment availability team that unified middleware, streamlined deployment pipelines, piloted business usage, introduced monitoring and recovery mechanisms, and created a comprehensive SIT environment handbook to improve integration testing stability and operational efficiency.
This guide walks through Kubernetes deployment methods—including blue‑green, canary, and rolling updates—explaining their concepts, showing how to define Deployments with kubectl, and providing step‑by‑step command examples and YAML configurations for practical implementation.
This article provides a comprehensive overview of Prometheus, covering its origins, architecture, step‑by‑step deployment, configuration, web UI usage, as well as its key advantages and limitations for cloud‑native monitoring and operations.
This article explains how xManager implements comprehensive instance configuration management for big‑data services, covering configuration groups, versioning, node‑level differentiation, database schema, installation workflow, group creation, configuration changes, version switching, and deployment scripts.
This article explains the Thanos architecture, compares Sidecar and Receiver deployment modes, walks through object‑storage configuration, and provides complete Kubernetes YAML examples for Prometheus, Thanos Sidecar, Query, Store Gateway, Ruler, Compact, and Receiver to build a large‑scale cloud‑native monitoring system.
This step‑by‑step guide shows how to set up a personal blog on a CentOS 7.7 server with Hexo, configure Git, SSH keys, and a GitHub repository, then deploy the site to GitHub Pages and optionally bind a custom domain.
This article provides a comprehensive, hands‑on tutorial for installing and configuring Ceph as the backend storage for OpenStack, covering network planning, host setup, password‑less SSH, repository configuration, ceph‑deploy commands, pool creation, and integration with Glance, Cinder, and Nova services.
This guide explains why Spring Boot JARs become bulky when packaged with many dependencies, and provides a step‑by‑step method—including Maven commands and configuration changes—to strip out unnecessary lib files, dramatically reducing the final artifact size for smoother production deployments.
This article walks through the complete process of moving a project to a Kubernetes platform, covering image creation, pod controller management, data persistence, service exposure, external publishing, CI/CD integration, and detailed command‑line examples for building, pushing, and deploying Docker images.
This article completes a FastAPI series by detailing middleware usage, request redirection, trusted host and CORS settings, background task handling, custom HTTP status responses, and multiple deployment options—including Uvicorn, Gunicorn, Docker, and Nginx—accompanied by full code examples.
This article explains how Slack’s engineering team designs a multi‑stage deployment pipeline—including release branches, staging, dogfood, canary, and percentage rollouts—while emphasizing rapid iteration, visibility, and reliability through fast and atomic deployment mechanisms.
The article explains how Facebook uses the GateKeeper configuration system to perform safe, incremental rolling releases of new features, describing the release stages, constraint‑based switch logic, integration with external data stores, and the trade‑offs between flexibility and operational risk.
This tutorial explains how to install Node.js and docsify-cli, initialize a docsify project, customize the navigation bar, cover page, search and code highlighting, and finally deploy the documentation site to GitHub Pages or a cloud server using Nginx, while providing troubleshooting tips.
This article compares Spring and Spring Boot, explains their core concepts, walks through MVC, template engine, and security configurations, shows Maven and Gradle dependency setups, and details how to package and deploy applications with code examples.
This article provides a thorough overview of planning, provisioning, and managing online production environments—including user sizing, bandwidth estimation, database design, OS versus container deployment, middleware selection, security, monitoring, SSH shortcuts, file transfer tools, automation scripts, Docker setup, and log viewing techniques—aimed at giving developers a complete operational perspective.
This guide walks through the concepts and step‑by‑step procedures for using Kubernetes 4‑layer Service load balancing, configuring Ingress Controllers (nginx, Traefik), generating TLS certificates, deploying Traefik and a Tomcat application, and exposing them via HTTP and HTTPS.
The article examines Facebook’s massive, real‑time configuration management system, describing its rapid change frequency, the engineering challenges of configuration sprawl, authoring, validation, dependency handling, and the scalable, reliable distribution mechanisms that keep billions of devices and servers consistently updated.
The article explains serverless computing—distinguishing it from pure FaaS, outlining its layered architecture, core principles of the Serverless Framework, and step‑by‑step deployment using the CLI—showing how developers can quickly turn ideas into scalable products while abstracting infrastructure management.
This guide explains how to use Kubernetes for fast, reliable application delivery by comparing rolling updates, blue‑green deployments, and canary (gray) releases, showing when each strategy fits, how to configure services, and how to control traffic with real code examples.
This article outlines a detailed software development workflow—including requirement review, technical design review, coding, code review, testing, deployment, and post‑release retrospection—providing practical checklists, templates, and best‑practice recommendations to improve product quality and team efficiency.
During the COVID‑19 pandemic, Tencent Classroom’s front‑end team faced unprecedented traffic spikes, forcing rapid decisions on domain stability, video streaming, data platforms, messaging, monitoring, and deployment pipelines, while sharing lessons on scaling, resilience, and collaborative development under extreme pressure.
This step‑by‑step guide shows how to install Docker CE on CentOS, pull the Nextcloud image, run the container with proper volume and port mappings, configure firewall and security groups, and finally access the web interface to set up a fully functional private cloud storage solution.
This article details Ant Financial's cloud‑native PaaS platform construction, covering financial‑industry challenges, Kubernetes‑based extensions such as CafeDeployment, fine‑grained release strategies, lossless traffic draining, and the open‑source OpenKruise UnitedDeployment that together enable stable, scalable innovation for banking services.
This guide explains how to use Alibaba Cloud Function Compute to create a serverless, elastic backend for mini‑apps, covering the challenges of high‑traffic mini‑programs, the service template workflow, authentication, data access, deployment steps, and client‑side setup.
Meituan Waimai’s advertising team tackled duplicated business logic and slow builds across PC, H5, and KA by merging code into a monorepo and adopting a React‑based central‑router micro‑frontend architecture, where a host app dynamically loads sub‑apps with independent routing, stores, CSS, and hot‑module replacement, achieving modularization, faster builds, and isolated deployment.
This article introduces Apache Ozone, a scalable distributed object storage system for Hadoop, covering its background, core components, design principles, architecture, deployment steps, configuration examples, and basic command‑line operations for managing volumes, buckets, and keys.
This article details a three‑stage evolution of environment deployment—from manual installation to VM image restoration and finally to automatic registration with command issuance—showing how FRP tunneling, Docker containers, Ansible automation, and a custom deploy tool dramatically reduce deployment effort and eliminate the need for dedicated ops staff.
The joint online Serverless course, launched by the Serverless team, Tencent Cloud University and Cloud+ community, offers a February 6 live session with expert Chen Tao covering Serverless architecture and static‑site deployment, interactive Q&A, giveaways, and a concise four‑step guide to install, create, deploy, and invoke applications using the Serverless Framework.
This article walks through the transformation of an online supermarket from a simple monolithic website to a fully fledged microservice architecture, highlighting the motivations, design decisions, common pitfalls, and essential components such as monitoring, tracing, logging, gateways, service discovery, circuit breaking, testing strategies, and service mesh adoption.
This article explains how to install the Alibaba Cloud Toolkit extension for Visual Studio Code and use its one‑click packaging and deployment features to send code to Alibaba Cloud ECS or any remote server, dramatically speeding up development workflows.
Learn how to achieve zero‑downtime application upgrades by using Gunicorn’s HUP reload, uWSGI’s chained reload, load‑balancer node draining, and custom health‑check scripts that coordinate process restarts, ensuring minimal service interruption even for apps with long startup times.
This article provides a clear, visual guide to Kubernetes fundamentals, covering its six-layer abstraction, the roles of Deployments, ReplicaSets, Pods, Nodes, and Docker containers, followed by an overview of seven key API objects that drive container orchestration.
This guide walks you through preparing scripts, uploading them, making them executable, and creating Jenkins jobs for each module of the multi‑module Mall project to achieve fully automated deployment using free‑style projects and SSH execution.
The article explains various database migration approaches—including code‑first, data‑first, big‑bang releases, expand‑contract migrations, and double‑writing with dark reads—highlighting how feature toggles influence compatibility and safety during production system changes.
This guide outlines essential steps for deploying a Laravel application, covering Nginx server configuration, Composer autoloader optimization, caching of configuration and routes with Artisan commands, and additional tips to ensure a fast, secure production environment.
This article explains how Kubernetes transforms from a container orchestrator into a declarative, cloud‑native operating system, showing beginner‑friendly examples, the benefits of YAML‑based deployments, operators, and how it simplifies software delivery compared to traditional Linux VM workflows.
This article explains how Kubernetes uses Deployments, ReplicaSets and Pods to manage containerized applications, covering basic object creation, scaling, rolling updates, readiness probes, rollback, maxSurge/maxUnavailable settings, and advanced strategies such as blue‑green and canary deployments.
This guide explains the background, key features, architecture, and step‑by‑step deployment of Thanos—including Sidecar, Store, Query, Compact, Bucket, Rule, and Check components—to provide a unified, high‑availability Prometheus monitoring view with unlimited historical data storage using object storage.
This article presents a comprehensive Jenkins‑based CI/CD solution that supports multiple branches, environments, projects, and programming languages, offering one‑click deployment and rollback, standardized naming conventions, configurable project mapping files, and a flexible multi‑environment workflow for automated and manual triggers.
This article explains ClickHouse's deployment architecture, read‑write separation, shard expansion steps, write‑batch strategies, a three‑layer monitoring model, and its practical application in Tencent's game analytics platform, offering concrete guidance for building a stable, high‑throughput analytics service.
This guide shows how to use Jenkins to automate the packaging and deployment of a multi‑module microservice project, covering script preparation, job creation for each service, startup order recommendations, and one‑click deployment for rapid releases.
This article outlines a comprehensive selection guide for building a production‑ready microservice 2.0 stack on Java, covering evolution milestones, key selection criteria, core infrastructure modules, service frameworks, runtime support, monitoring, fault tolerance, backend services, security, and container‑based deployment platforms.
Learn how Kubernetes controls the pace of rolling updates using the maxUnavailable and maxSurge parameters, understand their value ranges and recommended settings, and see practical examples that ensure smooth, stable deployments while balancing speed and reliability.
The article reviews common microservice deployment options, cross‑cutting concerns such as configuration, logging and health checks, explains API gateways, service discovery, circuit breakers, discusses data‑ownership strategies, and lists typical anti‑patterns to avoid when building cloud‑native backend systems.
This guide explains Helm’s role as a Kubernetes package manager, introduces core concepts like charts, releases, and repositories, and provides step‑by‑step instructions for installing Helm and Tiller, configuring access, deploying a WordPress site, and upgrading releases.
This article describes a three-stage automated deployment strategy—traditional installation, VM image restoration, and automatic discovery with command issuance—leveraging FRP for internal network tunneling, Ansible for batch control, and Docker for rapid containerized deployment, significantly reducing operational effort and enabling a DevOps workflow.
This guide walks beginners through deploying PHP and Java web applications on a Kubernetes cluster, covering environment preparation, Docker image creation, namespace and secret setup, writing deployment, service and ingress manifests, and verifying access via host file configuration, illustrating each step with code snippets and diagrams.
This article walks through the transition of an online supermarket from a simple monolithic web application to a fully fledged microservice architecture, highlighting the challenges, design decisions, component choices, monitoring, tracing, testing, and operational practices needed for a robust, scalable system.
This article describes how Quark’s mportal team automated the end‑to‑end deployment of WeChat mini‑programs, replacing manual IDE uploads, backend logins, and review steps with scripted IDE uploads, web automation for audit submission, QR‑code scanning via qscan, and permission management, achieving significant efficiency gains.
This guide explains how to quickly deploy a JD Chain blockchain environment by downloading the peer and gateway packages, configuring ports, initializing nodes, creating keys and ledgers, and launching management tools, providing step‑by‑step commands and screenshots for a complete setup.
This article walks through practical planning, creation, and fine‑tuning of an Alibaba Cloud Kubernetes cluster, covering network design, API server exposure, security groups, master and worker sizing, deployment manifests, service decoupling, and operational best practices.
The article explains traditional release practices, contrasts monolithic and microservice architectures, highlights challenges of scaling microservices, and shows how Kubernetes provides automation, configuration management, fault handling, and elastic scaling to streamline cloud‑native deployments.
This article chronicles the evolution of the 贝聊 platform from its early LNMP monolithic setup through a Java‑based distributed system to a full microservices architecture, highlighting the technical challenges, design decisions, and future plans such as containerization and API gateway implementation.
This article outlines comprehensive best‑practice guidelines for building microservice systems, covering source‑code management, development environments, continuous integration and delivery, deployment packaging, automated rollout, feature‑flag usage, configuration handling, centralized logging and monitoring, autoscaling, external service integration, and team ownership throughout the service lifecycle.
This article explains how to design a flexible web‑crawling platform using Scrapy, covering rule maintenance, job scheduling, asynchronous and real‑time crawlers, project setup, code structure, settings, local execution, deployment with scrapyd, API usage, and examples of Flask‑based real‑time services.
This article presents a detailed overview of the 58 Deployment System (USP), covering its evolution, Java‑based architecture, communication and deployment models, traffic management, one‑stop and parallel deployments, gray‑scale rollout, fast rollback, task‑driven workflow, and future direction within private‑cloud environments.
This guide explains how to package a Spring Boot service, publish the artifact and startup script to remote hosts, and remotely start the service using Jenkins pipelines and SaltStack commands, covering preparation, Jenkins project setup, Jenkinsfile logic, and deployment logs.
This guide explains how to host a web project on GitHub, configure an Nginx front‑end server, and set up Jenkins with a detailed Jenkinsfile to automate building, packaging, and deploying the application using SaltStack.
This article walks through using Alibaba Cloud's Cloud Toolkit IDE plugin to configure, package, and deploy a SpringBoot application from IntelliJ IDEA to any server, compares its workflow with native IDEA deployment, and evaluates its core features such as Deploy to Host, Deploy to ECS, file upload, remote terminal, and built‑in Arthas diagnostics.
This article explains the fundamentals of Serverless architecture, its pros and cons, and provides a detailed, practical walkthrough for migrating a lightweight web application to Tencent Cloud's Serverless Cloud Function platform, covering architecture redesign, data storage, performance tuning, debugging, deployment, logging, and monitoring.
This article introduces Helm as a Kubernetes package manager, explains the Chinese Helm Hub alternative AppHub, guides readers through installing Helm v3, adding the AppHub repository, and quickly deploying the Guestbook example with step‑by‑step commands and optional one‑click UI.
This article explains how to obtain required permissions, add SSH keys, create a shell deployment script using git and rsync, and configure Jenkins to automatically deploy code from GitHub through a middle machine to a test server.
This guide walks you through deploying the Mall e‑commerce application on a CentOS 7.6 server using Docker and two docker‑compose files, covering environment setup, required images, configuration of MySQL, Redis, Elasticsearch, RabbitMQ, Nginx, and the Mall services, plus firewall adjustments.
This article explains how a frontend team migrated from SVN to GitLab and used GitLab CI/CD to automate build and deployment, detailing the previous manual workflow, the benefits of automation, the CI/CD pipeline structure, configuration files, runner setup, and remaining challenges.
This guide walks you through installing Docker on CentOS 7.6 and deploying a complete mall stack—including MySQL, Redis, Nginx, RabbitMQ, Elasticsearch, MongoDB, and a SpringBoot service—inside Docker containers, configuring volumes, ports, firewalls, and testing the APIs.
This article explains how to build a front‑back end separated application using Spring Boot for the backend and Vue.js for the frontend, covering JSON APIs, CORS interception, Shiro security integration, custom session management, and two deployment strategies with code examples.
The article details Ctrip’s Node.js technology stack, covering its deployment pipeline, version management, build principles, Docker‑based operations and monitoring, logging models, public services such as SOA, storage, cache, disaster recovery, and real‑world application scenarios like data aggregation and server‑side rendering.
This guide walks developers through selecting VuePress for a centralized documentation portal, installing it globally or locally, configuring navigation and build scripts, generating static files, deploying them on an Ubuntu server with Nginx, and automating updates via Jenkins, cron jobs, and Docker.
ZEIT Now, the serverless platform from the creators of Next.js, provides a fast, parallel, one‑click deployment workflow that automatically builds and deploys front‑end, back‑end, and function code, supports multiple built‑in and custom builders, and enables blue‑green releases and seamless Git integration.
This article explores the full spectrum of modern operations, covering environment deployment, troubleshooting, backup, high availability, monitoring, security, automation, virtualization, and cloud services, while highlighting essential tools and best practices for both Linux and Windows environments.
This article explains the essential requirements for achieving 99.99% service availability—consistency, eliminating single points, placement groups, traffic isolation, same‑city active‑active, N+1 redundancy, and multi‑region active‑active—illustrated with a step‑by‑step Yum repository service case study and evolving architecture diagrams.
This article details Ctrip's large‑scale continuous delivery practice, describing their deployment pipeline, unified build platform, Jenkins integration, Kubernetes‑based elastic agents, monitoring, and the challenges and improvements they encountered while handling thousands of daily deployments across multiple environments.
The article introduces Octopus, the core automation service of 58 Group, detailing its overall architecture, the Octopus Agent lifecycle, communication mechanisms, management center capabilities, and key functional modules such as server information collection, command execution, deployment, permission control, and file transfer.
This article explains why Kubernetes should be seen as a next‑generation operating system, walks through a simple nginx deployment using declarative YAML, introduces the concepts of CRDs, custom controllers and Operators, and shows how to create and manage resources such as etcd clusters and virtual machines within Kubernetes.
