Docker compose offline install utility

This script helps perform offline installations of images for multi-container (Docker compose) applications.

Use Case: You have an offline-only system that needs Docker images, but cannot connect to the internet to pull down those images. You do have physical access to the system.

Usage

./script.sh [save | load] <compose file | tarball>

Instructions

Clone the repository onto your system and ensure script.sh has execution permissions.

$ git clone https://github.com/DevinKott/docker-compose-offline-install
$ cd docker-compose-offline-install
$ chmod +x ./script.sh

If you want to save images from a compose file, use the following command (must be internet-connected):

$ ./script.sh save /home/user/compose.yml

The script will find all images in the compose.yml, download them onto the system, and package them up into release.tar.gz.

To load a tarball (for example, release.tar.gz), use the following command (do not need internet-connected!):

$ ./script.sh load release.tar.gz

The script will unpack the tarball and run docker load on each image, loading the image onto the system and into Docker.