Add Docker

Author: r-40021

Dockerfile

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+FROM --platform=linux/x86_64 node:18
+
+RUN apt-get update
+RUN apt-get install -y locales
+RUN locale-gen ja_JP.UTF-8
+RUN localedef -f UTF-8 -i ja_JP ja_JP
+ENV LANG ja_JP.UTF-8
+ENV TZ Asia/Tokyo
+WORKDIR /font

docker-compose.yml

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+version: '3'
+services:
+  app:
+    build: .
+    tty: true
+    volumes:
+      - .:/font