我运行 ./launcher rebuild app 失败，并收到以下输出信息：
FAILED
--------------------
Pups::ExecError: cd /var/www/discourse && git fetch --depth 1 origin tests-passed failed with return #<Process::Status: pid 210 exit 128>
Location of failure: /pups/lib/pups/exec_command.rb:112:in `spawn'
exec failed with the params {"cd"=>"$home", "hook"=>"code", "cmd"=>["git reset --hard", "git clean -f", "git remote set-branches --add origin master", "git remote set-branches origin $version", "git fetch --depth 1 origin $version", "git checkout $version", "mkdir -p tmp", "chown discourse:www-data tmp", "mkdir -p tmp/pids", "mkdir -p tmp/sockets", "touch tmp/.gitkeep", "mkdir -p /shared/log/rails", "bash -c \"touch -a /shared/log/rails/{production,production_errors,unicorn.stdout,unicorn.stderr,sidekiq}.log\"", "bash -c \"ln -s /shared/log/rails/{production,production_errors,unicorn.stdout,unicorn.stderr,sidekiq}.log $home/log\"", "bash -c \"mkdir -p /shared/{uploads,backups}\"", "bash -c \"ln -s /shared/{uploads,backups} $home/public\"", "bash -c \"mkdir -p /shared/tmp/{backups,restores}\"", "bash -c \"ln -s /shared/tmp/{backups,restores} $home/tmp\"", "chown -R discourse:www-data /shared/log/rails /shared/uploads /shared/backups /shared/tmp", "find public/plugins/ -maxdepth 1 -xtype l -delete"]}
我知道服务器无法访问 GitHub，因此已在 Docker 主机上设置了代理配置。
我尝试过使用 proxychains，设置 http_proxy 环境变量以及 git config，但均无效。
看起来 Docker 容器内部的命令在尝试从 GitHub 获取数据时并未使用代理。
请问是否可以通过代理安装或更新 Discourse？谢谢。