Comment résoudre l'erreur 'pull access denied'

# Introduction

Docker is a powerful containerization platform that simplifies application deployment and management. However, users may sometimes encounter the 'pull access denied' error when attempting to pull Docker images. This comprehensive tutorial will guide you through understanding, troubleshooting, and resolving this common Docker issue.

Throughout this lab, you will learn how Docker image registries work, why access denied errors occur, and develop practical skills to solve authentication problems. By the end of this tutorial, you will be able to confidently handle Docker image access issues in your containerization workflow.