Developing Applications in OKD Course Overview

Developing Applications in OKD Course Overview

### Developing Applications in OKD - Course Overview

Koenig Solutions offers an intensive 5-day course on Developing Applications in OKD, designed to equip developers with the skills to develop, deploy, and manage applications on an OKD Cluster. The course covers everything from Cluster setup and Development workflows to networking, Storage management, and security best practices. Participants will gain hands-on experience through labs, learning to use tools like Helm and undertaking real-world scenarios.

Key topics include Containerizing applications, understanding OKD networking concepts, configuring Persistent volumes, and implementing role-based access control (RBAC). By the end, you’ll be capable of leveraging OKD for Scalable application development and ensuring compliance and security in your deployments.

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  • Live Training (Duration : 40 Hours)
  • Per Participant

♱ Excluding VAT/GST

Classroom Training price is on request

You can request classroom training in any city on any date by Requesting More Information

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Course Prerequisites

Prerequisites for Successfully Undertaking the Developing Applications in OKD Course

To ensure a productive and beneficial learning experience in the Developing Applications in OKD course, we recommend that participants meet the following prerequisites:


  • Basic Understanding of Containerization: Familiarity with Docker or other container technologies, including writing Dockerfiles and managing container images.
  • Knowledge of Kubernetes: Basic knowledge of Kubernetes concepts and architecture, as OKD is the community distribution of Kubernetes.
  • Experience in Application Development: Practical experience in developing applications using languages such as Java, Python, Node.js, or Go.
  • Familiarity with CLI Tools: Comfort with using command-line interfaces and basic Unix/Linux commands.
  • Understanding of Networking Basics: Basic understanding of networking concepts, including IP addresses, ports, and DNS.
  • Version Control Systems: Experience with version control systems like Git for managing source code.

Meeting these prerequisites will help you maximize the benefits of the course and effectively leverage OKD for scalable application development.


Target Audience for Developing Applications in OKD

Developing Applications in OKD is an intensive 5-day course aimed at developers looking to master OKD cluster setup, application deployment, and management strategies through hands-on labs.


  • Software Developers
  • DevOps Engineers
  • Cloud Engineers
  • System Administrators
  • IT Managers
  • Kubernetes Administrators
  • Infrastructure Architects
  • Application Architects
  • Technical Leads
  • OpenShift Administrators
  • Cloud Consultants
  • Site Reliability Engineers (SREs)
  • Security Engineers
  • IT Consultants
  • Solution Architects


Learning Objectives - What you will Learn in this Developing Applications in OKD?

Introduction to Course Learning Outcomes

The "Developing Applications in OKD" course provides developers with the expertise to develop, deploy, and manage scalable applications on an OKD Cluster. Key concepts covered include cluster setup, deployment strategies, networking, storage, security, and utilizing Helm for application management.

Learning Objectives and Outcomes

  • Understanding OKD Fundamentals

    • Gain a comprehensive overview of OKD, its key features, and benefits.
    • Learn prerequisites and how to access your OKD Cluster.
  • Mastering OKD CLI Tools

    • Manage users and permissions.
    • Understand and set resource quotas and limits.
    • Implement effective monitoring and logging practices.
  • Application Development Workflow

    • Set up a local development environment.
    • Create and manage projects with best practices.
    • Learn Source-to-Image (S2I) basics and advanced handling.
  • Deploying Applications on OKD

    • Containerize applications using Dockerfiles.
    • Build and push images to a registry.
    • Deploy both source code and pre-built images.
    • Manage and scale multi-container applications, perform rolling updates, and rollbacks.
  • Networking in OKD

    • Understand OKD networking concepts.
    • Configure routes,

Technical Topic Explanation

Security

Security in technology refers to protecting information and systems from cyber threats such as unauthorized access, attacks, damage, or data theft. Effective security measures include using strong passwords, updating software regularly, and employing firewalls and antivirus programs. For organizations, educating employees about the importance of following security protocols is critical. Security practices ensure that data remains confidential, maintains integrity, and is available only to authorized users, thereby safeguarding personal and business information from potential cyber risks.

Helm

Helm is a powerful tool used in Kubernetes management that simplifies the deployment and management of applications. Think of it as a package manager, similar to how you would use Apt on Ubuntu or Homebrew on Mac, but specifically designed for Kubernetes. It packages all necessary components of a Kubernetes application into one package called a chart, making it easier to distribute and manage installations. Helm charts include all the information needed to set up and run a Kubernetes application correctly, managing dependencies and versions effectively. This way, Helm ensures that application deployments are repeatable, scalable, and reliable.

Networking

OKD networking involves setting up the communication rules and methods that allow containers within an OKD cluster to talk to each other and to the outside world. It configures how traffic is managed within the cluster, handling aspects like routing, load balancing, and domain name resolution. OKD networking also includes security policies that control how groups of containers, known as pods, can communicate over the network, essential for maintaining the isolation and security of different applications running on the same cluster.

Persistent volumes

Persistent volumes in computing are units of storage in a cluster environment that have been provisioned for use by users or applications. Unlike local storage that is ephemeral and ties a user’s data to a specific machine, persistent volumes exist independently from the lifespan of any individual pod in which an application may run. This setup allows data to persist even when pods are restarted or moved across different servers. Essentially, persistent volumes provide a consistent and reliable storage solution that is crucial for managing stateful applications within a cloud environment.

Role-based access control (RBAC)

Role-based access control (RBAC) is a security system that assigns access and permissions based on a person's role within an organization. Instead of giving each individual specific permissions, users are assigned to roles like "manager" or "employee," each with predefined access rights. This simplifies managing permissions, enhances security by ensuring only necessary access is granted, and makes it easier to update permissions as roles change or the organization evolves. RBAC is especially useful in large organizations, where managing individual permissions could be cumbersome and error-prone.

Compliance

Compliance in a professional context refers to adhering to both internal guidelines and external laws and regulations relevant to a business or industry. It ensures that a company operates within legal parameters and upholds standards for safety, ethics, and best practices. Compliance mitigates risks, protects a company’s reputation, and ensures trust and reliability in business operations. Activities involved include regular audits, employee training, and implementing effective policies and technology to support compliance efforts.

OKD Cluster

OKD Cluster is an open-source version of Red Hat OpenShift, which allows you to build and manage containerized applications. It combines Kubernetes, a leading container orchestration platform, with additional tools to provide a comprehensive environment that automates deployment, scaling, and operations of application containers across clusters of hosts. OKD is especially beneficial for developers looking to experiment or build cloud-native applications cost-effectively, facilitating continuous development, integration, and delivery. For professionals seeking to enhance their skills, OKD training can be a valuable resource to learn about efficient container management and deployment in the tech industry.

Containerizing applications

Containerizing applications involves packaging an application along with its dependencies in a container. This approach ensures that the application runs consistently across different computing environments. Containers are lightweight, allowing for quick launches and scalable deployment. This method is highly efficient for developing, testing, and deploying applications, ensuring that they work uniformly despite variations in local environments or infrastructure. Containerizing helps organizations enhance their development pipelines and improve application manageability across multiple platforms and clouds.

Cluster setup

A cluster setup involves configuring multiple computers, known as nodes, to work together as a single system. This setup enhances system performance, availability, and scalability by distributing workloads and data across different nodes. If one node fails, others can take over its tasks, minimizing downtime. Clusters are commonly used in environments needing high-compute resources like data centers or for applications needing continuous availability. This system is essential for businesses looking to efficiently manage large volumes of information and maintain service reliability.

Development workflows

Development workflows refer to the structured processes used by software development teams to plan, execute, and manage their work. These workflows involve several stages, including planning, coding, testing, and deployment, ensuring that software is developed efficiently and effectively. Each step in the workflow is crucial for quality assurance and helps teams to collaborate better, track progress, and make iterative improvements. Using development workflows, teams can handle complex projects systematically, reduce errors, and deliver high-quality software that meets user needs and expectations. They are essential for maintaining order and productivity in software development.

Networking

Networking is the practice of connecting computers and other devices together to share resources such as data, software, and hardware devices over a network. It enables communication and resource sharing between devices across different locations, which facilitates collaboration and data accessibility. The network can be small, connecting a few computers in a home or office, or large, such as the internet, which connects millions of devices worldwide. Networking involves various equipment like routers, switches, and cables, which help in directing and managing data traffic efficiently within the network.

Scalable application development

Scalable application development involves designing software that can efficiently handle increases in workloads or users without needing excessive additional resources. This means the application performs well even as the number of users grows or data processing needs increase. The design focuses on flexibility, allowing for parts of the application to expand as needed, which can include increasing database capacity, adding more servers, or improving code efficiency. This approach helps in maintaining a smooth and consistent user experience, while effectively managing operational costs as the application scales up.

Storage management

Storage management involves organizing and controlling a system’s data storage resources efficiently. It encompasses the practices, strategies, and technologies used to protect, manage, and optimize data storage in an enterprise. Key tasks include ensuring system performance, implementing security measures, handling data backups, disaster recovery, and scaling resources according to needs. Effective storage management helps organizations reduce costs, improve data accessibility, and maintain information governance, essential for data-driven decision-making and operational efficiency.

Target Audience for Developing Applications in OKD

Developing Applications in OKD is an intensive 5-day course aimed at developers looking to master OKD cluster setup, application deployment, and management strategies through hands-on labs.


  • Software Developers
  • DevOps Engineers
  • Cloud Engineers
  • System Administrators
  • IT Managers
  • Kubernetes Administrators
  • Infrastructure Architects
  • Application Architects
  • Technical Leads
  • OpenShift Administrators
  • Cloud Consultants
  • Site Reliability Engineers (SREs)
  • Security Engineers
  • IT Consultants
  • Solution Architects


Learning Objectives - What you will Learn in this Developing Applications in OKD?

Introduction to Course Learning Outcomes

The "Developing Applications in OKD" course provides developers with the expertise to develop, deploy, and manage scalable applications on an OKD Cluster. Key concepts covered include cluster setup, deployment strategies, networking, storage, security, and utilizing Helm for application management.

Learning Objectives and Outcomes

  • Understanding OKD Fundamentals

    • Gain a comprehensive overview of OKD, its key features, and benefits.
    • Learn prerequisites and how to access your OKD Cluster.
  • Mastering OKD CLI Tools

    • Manage users and permissions.
    • Understand and set resource quotas and limits.
    • Implement effective monitoring and logging practices.
  • Application Development Workflow

    • Set up a local development environment.
    • Create and manage projects with best practices.
    • Learn Source-to-Image (S2I) basics and advanced handling.
  • Deploying Applications on OKD

    • Containerize applications using Dockerfiles.
    • Build and push images to a registry.
    • Deploy both source code and pre-built images.
    • Manage and scale multi-container applications, perform rolling updates, and rollbacks.
  • Networking in OKD

    • Understand OKD networking concepts.
    • Configure routes,