The docker - compose. Yml file write like this, the following is a part of the code

Admin:
Image: IO/center/test: develop
Command:
-/bin/bash
- c
Apt - get the update & amp; & Apt - get the install - y libtk8.6 wkhtmltopdf XVFB cron jq

But perform: docker - compose up admin when the following error, excuse me expert how to solve it!

Admin_1 |/bin/bash: apt - get: command not found

Using the Linux version of Ubuntu 7.4