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所在平台: Udemy |
课程主页: https://www.udemy.com/course/docker-for-cloud-and-devops-professionals/
课程评论：没有评论
课程名称：云计算和DevOps专业人员的Docker基础知识 课程概述：欢迎参加由Uplatz提供的《云计算和DevOps专业人员的Docker基础知识》课程。Docker是一个开源平台，允许开发人员在轻量级、可移植的容器中构建、交付和运行应用程序。容器将应用程序及其依赖项打包在一起，确保开发、测试和生产环境的一致性。Docker通过提供一致的运行环境，消除了“它在我的机器上可以工作”的问题。Docker广泛用于微服务架构、DevOps工作流程以及简化跨环境的部署过程。 Docker的工作原理： - 容器化：Docker利用容器化技术，使应用程序与底层系统隔离。容器共享主机操作系统内核，因此比传统虚拟机更轻量、高效。 - Docker架构：包括Docker引擎（创建和管理容器的核心运行时）、Docker客户端（与Docker引擎交互的命令行界面）、Docker镜像（用于创建容器的预配置应用程序蓝图）及Docker Hub（用于存储和分享Docker镜像的云端注册中心）。 工作流程： - 开发人员编写Dockerfile，包含构建镜像的指令。 - 使用docker build命令创建镜像。 - 然后使用docker run命令启动容器。 Docker的核心功能： - 容器化：在隔离环境中运行应用程序以确保跨平台的一致性。 - 便携性：Docker容器可以在任何支持Docker的系统上运行，无论是本地还是云端。 - 轻量级：容器共享主机操作系统内核，使用的资源比虚拟机少。 - 可扩展性：轻松通过创建多个容器实例来横向扩展应用程序。 - 版本控制：允许镜像的版本控制，并可回滚到以前的构建。 - 安全性：提供容器隔离以减少应用程序的漏洞。 课程大纲： 1. 介绍容器与虚拟化，Docker的优势及其应用。 2. Docker安装与服务管理。 3. Docker架构的结构组成。 4. 编写Dockerfile及其指令。 5. Docker镜像的构建、标记和管理。 6. Docker Hub的注册与使用。 7. 常用Docker命令。 8. Docker容器的运行与管理。 9. Docker Volume的创建与使用。 10. Docker Compose的安装与应用。 11. Docker Swarm的容器编排和服务管理。 学习Docker的好处： - 提高开发效率，快速创建一致的开发环境。 - 简化应用程序在多平台的部署过程。 - Docker容器能够在各种平台上运行，提供便捷的便携性。 - 成本效益高，优化资源利用率，降低基础设施成本。 - 知识需求高，为DevOps、云计算等角色提供职业发展机会。 职业前景：掌握Docker有助于提升就业能力，适应现代软件生态的技术趋势。许多岗位需要Docker技能，例如DevOps工程师、云工程师和软件开发人员等。Docker也是微服务架构和云原生应用开发的基石，为高级职业发展提供基础，如云架构师和DevOps经理。 总之，这门课程将为你打下坚实的基础，使你在云计算和DevOps领域中具备竞争力。
A warm welcome to the Docker Essentials for Cloud and DevOps Professionals course by Uplatz.Docker is an open-source platform that enables developers to build, ship, and run applications inside lightweight, portable containers. Containers package an application and its dependencies together, ensuring consistency across development, testing, and production environments. Docker eliminates the "it works on my machine" problem by providing a consistent runtime environment.Docker is widely used for microservices architectures, DevOps workflows, and simplifying deployment processes across environments.How Docker WorksContainerizationDocker uses containerization technology to isolate applications from the underlying system. Containers share the host operating system kernel, making them more lightweight and efficient than traditional virtual machines.Docker ArchitectureDocker Engine: The core runtime responsible for creating and managing containers.Docker Client: A command-line interface (CLI) that interacts with the Docker Engine.Docker Images: Pre-configured application blueprints used to create containers.Docker Hub: A cloud-based registry for storing and sharing Docker images.WorkflowDevelopers write a Dockerfile containing instructions to build an image.The image is created using the docker build command.The image is then used to launch containers using the docker run command.OrchestrationTools like Docker Compose and Docker Swarm allow users to manage multi-container applications and scale them efficiently.Core Features of DockerContainerization: Run applications in isolated environments to ensure consistency across platforms.Portability: Docker containers can run on any system that supports Docker, whether on-premises or in the cloud.Lightweight: Containers share the host OS kernel, using fewer resources compared to virtual machines.Scalability: Easily scale applications horizontally by creating multiple container instances.Docker Hub: Provides a central repository for discovering, pulling, and sharing container images.Versioning: Allows version control for images, enabling rollbacks to previous builds.Security: Provides container isolation to minimize application vulnerabilities.Efficiency: Enables faster application development and deployment through CI/CD pipelines.Automation: Supports tools like Docker Compose for defining and managing multi-container applications.Orchestration Support: Includes built-in orchestration with Docker Swarm and compatibility with Kubernetes.Docker Essentials for Cloud and DevOps Professionals - Course Curriculum1. IntroductionMicrosystem & ContainerizationChallenges with DeploymentsWhat is VirtualizationProblems with VirtualizationContainerization IntroductionWhat is DockerDocker FeaturesApplying the Solution with Docker2. Docker InstallationInstall DockerStart Docker ServiceStop DockerUninstall DockerECS Introduction3. Docker ArchitectureDocker ClientDocker Engine4. DockerfileWriting DockerfileCreating DockerfileVisual Source Code IDEUnderstanding the Instructions used in Dockerfile:FROMMAINTAINERCOPYADDRUNCMDENTRYPOINTVOLUME5. Docker ImagesUnderstanding the Base ImageImage Layered StructureInternals of Docker ImageBuild Process of Docker ImagesTagging the ImagesImage Generation with Docker CommitRun, Inspect, Remove, and Prune Images6. Docker HubDocker Hub Account Creation7. Docker Commandsdocker versiondocker infodocker helpdocker imagesdocker pulldocker rmidocker psdocker logindocker pushdocker rm8. Docker ContainersRunning Docker Containers from ImagesListing Running ContainersContainer LifecycleStart, Stop, and Restart ContainersRemoving the ContainersContainer with Dependencies (Multi Containers)Starting Containers in ShellRunning Containers in Bash Mode Using IT FlagContainer Isolation9. Docker VolumeAdvantagesBind MountsVolumes Over Bind MountsCreating VolumesList All VolumesRun Container on VolumesRemove Volumes10. Docker ComposeInstallationDocker Compose FileCheck the Validity of the FileRun Docker ComposeStop DockerScale the Containers11. Docker SwarmContainer OrchestrationFeatures of Docker SwarmDocker Swarm Node ManagerCreate Worker NodesRun Containers on SwarmScaling the ServicesBenefits of Learning DockerImproved Development EfficiencySpeeds up development by creating consistent environments across systems.Eliminates "works on my machine" issues through standardized containers.Enhanced Deployment ProcessesSimplifies the deployment of applications on various platforms.Facilitates continuous integration and continuous delivery (CI/CD) pipelines.PortabilityDocker containers can run on any platform, including on-premises systems, public clouds, and private clouds.Cost-EffectivenessReduces infrastructure costs by maximizing resource utilization compared to virtual machines.ScalabilityMakes scaling applications horizontally simple by using container orchestration tools like Docker Swarm or Kubernetes.Skill RelevanceKnowledge of Docker is in high demand as organizations adopt containerization and cloud-native architectures.Simplified CollaborationTeams can collaborate more effectively by sharing pre-configured Docker images.Foundation for Advanced TechnologiesProvides a foundation for learning related technologies like Kubernetes, Helm, and microservices architecture.Career Scope of DockerLearning Docker not only boosts your employability but also keeps you at the forefront of technology trends in the modern software ecosystem.High Demand in the Job MarketCompanies across industries are adopting containerization to streamline development and operations.Docker skills are essential for roles in DevOps, cloud computing, and modern software development.Job Roles Requiring Docker SkillsDevOps EngineerCloud EngineerSite Reliability Engineer (SRE)Software DeveloperPlatform EngineerInfrastructure EngineerBuild and Release EngineerOpportunities in Microservices and CloudDocker is a cornerstone of microservices architecture and is widely used in cloud-native application development.Integration with Other TechnologiesDocker skills complement tools and platforms like Kubernetes, Jenkins, Terraform, and AWS/GCP/Azure services.Freelance and Consulting OpportunitiesMany organizations need consultants to set up Dockerized workflows or migrate legacy systems to containers.Higher SalariesProfessionals with Docker expertise often command higher salaries due to the demand for containerization skills.Career GrowthMastery of Docker can lead to advanced career paths, including:Cloud ArchitectDevOps ManagerSolutions ArchitectTechnical Lead for Cloud-Native Applications
