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Formation Docker: From Discovery to Expertise | Cours en ligne et Certification

Trainers

Martin LEKPA

Martin LEKPA

Tech Lead et formateur Observabilité

Chapters | Training

0. Course Overview




Course Overview

Docker: From Discovery to Expertise

1. Introduction




Virtualization and containerization

Docker building blocks with port activity terms

Setting up the test environment

2. Docker Installation




Docker engine installation - Docker Engine - Lab with vagrant and virtualbox

Docker desktop installation

CLI presentation - Lab with vagrant and virtualbox

Docker Installation

3. Building and Managing Images




The layer concept in Docker

Docker hub

Deploying containers

Dockerfile

Dockerfile - Multi-stage builds

Building an image and pushing to docker hub - uptimerobot exporter

Best practices for building a Dockerfile - .dockerignore - multi-stage

Creating my first container

4. Creating and Managing Containers




Container network communication - inspect - network

Data persistence within a container

Security with docker security bench

Managing your own registry

Getting Started with Docker Desktop - Docker Scout - extensions

Deploying a VMware harbor docker registry - scan - trivy - security

My first networking and persistence of a container

My first multi-stage image

5. Docker Compose




Introduction

Should I type 'docker compose' or 'docker-compose'

Creating a compose.yaml file

Advanced use of labels - traefik config - kubernetes deployment

My first docker compose file

6. Container Orchestration




Introduction

Deploying Docker SWARM Cluster and first manipulations

7. Other Important Container Concepts




Container eviction - Memory - CPU - QoS Classes

Configuration as code - Terraform/Opentofu - saltstack - Ansible

8. Observability




The pillars of observability: logs, traces and metrics

Prometheus exporter VM/container configuration - cadvisor - node-exporter - ingress

Logs, traces and metrics with Dynatrace - Docker and kubernetes

9. Going Further

In this section, we will cover advanced concepts in Docker.


Project 1
advanced docker trainingdocker installationbeginner docker swarm trainingfree docker compose courseweb application containerizationdockerfile image optimizationdocker container orchestration

Cas concrets & Applications

Cloud Migration

Using Docker containers to package a legacy application and facilitate its deployment on a Cloud native architecture.

Continuous Integration and Deployment (CI/CD)

Creation of immutable images at each commit to ensure uniform environments.

Isolated development environments

Provide developers with a local environment strictly identical to production.

Microservices Architecture

Deploy independent application components communicating via an overlay network.

Orchestration with Swarm

Manage high availability and scalability of applications with Docker Swarm.

Automated testing

Quickly spin up and tear down ephemeral test databases.

Questions Fréquentes (FAQ)

Containers share the host OS kernel, so they are lighter and faster.
Yes, it starts with basic concepts and evolves towards advanced orchestration.
It is a text script containing instructions for building a Docker image.
A tool for defining and running multi-container Docker applications.
It is a public registry where you can find and share Docker images.
Docker's native tool for orchestrating a cluster of Docker engines.
Yes, unless you use Docker volumes to persist the data.
To reduce the final image size by excluding compilation tools.
Yes, you can impose CPU and RAM limits when launching.
Kubernetes uses standard containers (often Docker or containerd) for orchestration.