Docker 経由で Hugo new するとエラーが出る（Hugo のバージョン？）

[ikngtty]

エラー発生手順

README 通りに進んで以下を実行。

$ docker run --rm -v $(pwd):/app geek-space-blog hugo new ${type}/${title}.md

エラー内容

ERROR 2020/03/31 13:03:01 Current theme does not support Hugo version 0.40.1. Minimum version required is 0.46
ERROR 2020/03/31 13:03:01 Failed to add template "theme/404.html" in path "/app/themes/bilberry-hugo-theme/layouts/404.html": template: /app/themes/bilberry-hugo-theme/layouts/404.html:33: function "hugo" not defined
ERROR 2020/03/31 13:03:01 Failed to add template "theme/_default/author.terms.html" in path "/app/themes/bilberry-hugo-theme/layouts/_default/author.terms.html": template: /app/themes/bilberry-hugo-theme/layouts/_default/author.terms.html:33: function "hugo" not defined
ERROR 2020/03/31 13:03:01 Failed to add template "theme/_default/category.terms.html" in path "/app/themes/bilberry-hugo-theme/layouts/_default/category.terms.html": template: /app/themes/bilberry-hugo-theme/layouts/_default/category.terms.html:33: function "hugo" not defined
ERROR 2020/03/31 13:03:01 Failed to add template "theme/_default/list.html" in path "/app/themes/bilberry-hugo-theme/layouts/_default/list.html": template: /app/themes/bilberry-hugo-theme/layouts/_default/list.html:33: function "hugo" not defined
ERROR 2020/03/31 13:03:01 Failed to add template "theme/_default/single.html" in path "/app/themes/bilberry-hugo-theme/layouts/_default/single.html": template: /app/themes/bilberry-hugo-theme/layouts/_default/single.html:33: function "hugo" not defined
ERROR 2020/03/31 13:03:01 Failed to add template "theme/_default/tag.terms.html" in path "/app/themes/bilberry-hugo-theme/layouts/_default/tag.terms.html": template: /app/themes/bilberry-hugo-theme/layouts/_default/tag.terms.html:33: function "hugo" not defined
ERROR 2020/03/31 13:03:01 Failed to add template "theme/index.html" in path "/app/themes/bilberry-hugo-theme/layouts/index.html": template: /app/themes/bilberry-hugo-theme/layouts/index.html:33: function "hugo" not defined
ERROR 2020/03/31 13:03:01 Failed to add template "_text/theme/index.json" in path "/app/themes/bilberry-hugo-theme/layouts/index.json": template: theme/index.json:19: unexpected "=" in operand
ERROR 2020/03/31 13:03:02 _text/theme/index.json : template: theme/index.json:19: unexpected "=" in operand
/app/content/article/the-strongest-programming-language.md created

なんか Hugo のバージョンがどうこう言ってる。

困ること

エラーが発生しつつも目的のマークダウンは生成されるので、記事作成者としては特にない。
なんか怖いだけ。

「記事の出来を確認したい -> 手元で動かそう」って人がいた時に、このせいで動かなくなるかも（未確認）。

デプロイ環境は Docker 使ってないので関係ない？（@peacock0803sz に要確認）