Practical Methods for Docker Image and Container Backup and Restoration
Core Command Differences
Operation Type
Command
Target Object
Feature
Export/Backup
docker save
Docker image
Preserves full layered filesystem, output file size is larger
Export/Backup
docker export
Docker container
Flattens filesystem into a single directory structure, discards layer history and metadata
Import/Restore
docker load
I ...
Posted on Thu, 10 Sep 2026 16:22:23 +0000 by goclimb
Managing File Deletion Inside Docker Containers
When working with Docker containers, there are scenarios where specific files or directories need to be removed from the container's filesystem. This guide covers the practical approaches to achieving this, either during runtime or at the image build stage.
Approaches to File Removal
You can remove files within a Docker environment using two pr ...
Posted on Sun, 10 May 2026 14:19:08 +0000 by phillfox