Docker

Introduction to containers  and Docker

• Containers vs. Virtual machines
• What is Docker ?
• What problems does Docker solve ?
• Major components of Docker
• Docker architecture fundamentals

Getting Started with Docker

• Installating Docker on Linux/Windows/MacOS
• Configuring the Docker Service
• Running your first container
• Getting the help with command line
• Demo of a basic flow of Docker use

Working with images

• Images and repositories
• Structure of a Docker image
• Versioning and Tags
• Working with DockerHub
• Managing images : listing, downloading, finding images

Working with Containers

• The life cycle of a container
• Launch a container with Docker Run (in mode interactive, in detached mode …)
• Interact with a container from the host (exec, inspect, logs…)
• Stopping and restarting containers
• Cleaning Up

Creating Custom Docker images

• Introducing the Dokerfile
• Instructions and images
• FROM instruction
• RUN instruction
• Docker build and OnBuild contexts
• CMD vs ENTRYPOINT

Persisting Data with Volumes

• Volume types: Bind mount volumes and Docker managed volumes
• Sharing volumes
• The managed volume lifecycle
• Backup, restore of data volumes
• Data persistence best practices

Docker networking

• The Docker network topology
• Understanding the default network
• Bridged containers
• Joined containers
• Inter-container dependencies

Docker Compose

• Declarative environment with Docker Compose
• Defining the services
• Defining the volumes
• Defining the networks
• Docker Compose CLI

Docker Swarm mode

• Swarm mode features
• Setting up a Docker Swarm cluster
• Managing nodes and services
• Scaling an application
• Troubleshooting Docker Swarm