Docker support

[AlexeyPirogov]

I'm working in the company with network firewalls. As a result, I can't start project locally (don't have proxy).
But I can run docker images from docker hub.
Is it possible to build a docker image which won't need internet access?

[posts]$ yarn && yarn run dev
yarn install v1.22.19
[1/4] Resolving packages...
[2/4] Fetching packages...
info There appears to be trouble with your network connection. Retrying...
info There appears to be trouble with your network connection. Retrying...
info There appears to be trouble with your network connection. Retrying...
info There appears to be trouble with your network connection. Retrying...
error An unexpected error occurred: "https://registry.yarnpkg.com/stylis/-/stylis-4.0.13.tgz: tunneling socket could not be established, statusCode=403".
info If you think this is a bug, please open a bug report with the information provided in "/media/linuxSharedDisk/src/open-source/digital-garden-main/yarn-error.log".
info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.
info There appears to be trouble with your network connection. Retrying...
info There appears to be trouble with your network connection. Retrying...
info There appears to be trouble with your network connection. Retrying...
info There appears to be trouble with your network connection. Retrying...