If you are making a docker image from 0 and have various packages installed
During the build, the time zone option was displayed and I couldn't proceed.
It doesn't seem to be an error, but ...
The message displayed in the terminal is as follows:
Please select the geographic area in which you live. Subsequent configuration
questions will narrow this down by presenting a list of cities, representing
the time zones in which they are located.
  1. Africa      4. Australia  7. Atlantic  10. Pacific  13. Etc
  2. America     5. Arctic     8. Europe    11. SystemV
  3. Antarctica  6. Asia       9. Indian    12. US
Geographic area: 
Even if I press a number or press the Enter key, it doesn't move forward.
Execute the DEBIAN_FRONTED setting next before the git install command.
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update \
    && apt-get -y install git
When you do apt-get install on git in dockerfile
Let's set DEBIAN_FRONTED = noninteractive first.