Encountered a ‘Permission Denied’ error on a file copied to a Docker image or when accessing a file on a mounted volume within a Docker container? In this blog, you will learn why you get a ‘Permission Denied’ error and how to solve it. Enjoy!

1. Introduction

Before diving into the Permission Denied problem within Docker containers, it is good to have a basic knowledge how permissions function in Linux. If you are already familiar with these concepts, you can skip this paragraph.