Pull and push container images to private registry

Coolie is a simple tool to download container images from public registries and push them in private registries.

How it works

Coolie binary uses a config file in yaml format and an env file to load registries credentials. It pulls all image tags in config file, creates a new tag based on private registry address and finally pushes them to private registry. Coolie binary gets config file path and and environment variables file which consists of private registry information including registry address, username and password.

How to use

Here is the list of environment variables used by Coolie binary:

name	description
COOLIE_CONFIG	path to where config file is located
COOLIE_ENV	path to environment variable file

After setting all above variables just simply execute Coolie binary file.

Sample configuration

Here is a sample Coolie config file in yaml format.

Here is a sample environment variable file. Every variable in this file should starts with repository name that has been defined in config file. Consider following configuration:

repos:
  - name: quay
    source: quay.io
    destination: registry-1.example.com/repository/quay
    images:
    - name: prometheus/prometheus
      tags:
      - v2.37.9

With this configuration correct values in env file for destination registry would be like this:

quay_repo_address="https://registry-1.example.com"
quay_repo_username=admin
quay_repo_password=123456aA

Export two environment variables:

export COOLIE_CONFIG=configs/config.yaml
export COOLIE_ENV=configs/env