Install pip packages in an offline environment

Install.bash

# 1. On a internet-connected device, download the package and its dependencies to a directory
mkdir pip-es-curator
pip install --ignore-installed -d ./pip-es-curator elasticsearch-curator

# 2. Move the directory containing the packages to the offline device
# 3. On the offline device, install the package from the transferred directory
pip install --no-index --find-links ./pip-es-curator elasticsearch-curator