DEVOPS TRAINING

Environment Setup

• Install Virtual Box / Use AWS / Azure
• Create Ubuntu/CentOS Virtual Machine
• Install SSH on the box
• Connect from Windows through SSH.

Docker Basics

• Virtualization and Containerization
• Install git on windows as well as VM
• Docker Architecture
• Docker Image Internals
• Docker Container Internals
• Docker Lifecycle

Lab:

• Lab on Docker image
• Lab on Docker Hub
• Lab on Docker Container
• Creating an image from our custom container
• Pushing our image to Docker Hub
• Export and import images and Containers
• Accessing containers from outside the machine.

Understanding the internals

• Control Groups
• Filesystem
• COW
• How are the images stored?
• Hands on session
• How are the containers stored?
• Hands on session

Build our own Docker image

• Discuss about each of the Dockerfile commands.
• Difference between RUN, EntryPoint and Command
• Difference between Add and Copy

Lab:

• Create Docker images with
• FROM
• RUN
• ENTRYPOINT
• CMD
• ARG

• Build a Docker image of an existing small application hosted on Tomcat.
• Volume
• What is Volume and why do we need them.
• Different types of Docker volumes

Lab:

• Create a container attached to volume and understand the internals
• Bind mounts and understand the internals
• Understand the various options
• How to distinguish them
• Wich volume type to use? When to use them?

Lab:

• Create Docker web container connected to backend mysql container.
• Crash and restore of mysql container.

Multi Stage Build

Docker Networking

• Understanding networking in general
• Docker networking

Lab:

• Use the default bridge
• Understand the internals
• Create a custom bridge
• Understand the internals
• Understand the difference between default and custom bridge
• Use the host network
• Understand the internals
• Use the none network
• Understand the internals

Kubernetes

• Introduction to Container Orchestration
• Architecture
• On premises considerations
• Annotations
• Install a three-node cluster (one master and two worker)
• Scheduling, eviction, affinity, taints and tolerations

Lab on scheduling a Pod on a Node.

• Advantages of Kubernetes

Labs: Creating our own Pods

• Understanding Pods
• How was the Pod created?
• Hands on Deep dive into Pods

Lab: Namespaces

• Labels and selectors

Lab: Labels and selectors

• Replication Controller
• Replica Set

Lab:

• Hands on impact of Replica Set

Deployment

Lab:

• Create a deployment
• Scale out and scale in
• Update and rollback
• StatefulSet
• Daemonset
• Kubernetes Jobs

Lab:

• Kubernetes jobs
• Secretes

Lab:

• Kubernetes Secrets
• Volumes
• PV
• PVC

Lab:

• Kubernetes volumes

Service Types

• Clust IP
• Lab: Cluster IP
• NodePort

Lab: NodePort

• Loadbalancer

CI/CD

• Implement a complete CI/CD using
• Java
• Git
• Jenkins
• Maven
• Docker
• Junit (Illustrative)
• Kubernetes