Dockerfile
FROM ruby:3.1.2-alpine
ENV LANG=C.UTF-8 \
APP_HOME=/gemsrc
# `japanese_address_parser.gemspec` needs git.
RUN apk update && \
apk add --virtual build-dependencies --no-cache git nodejs make gcc musl-dev
RUN mkdir $APP_HOME
WORKDIR $APP_HOME
COPY . $APP_HOME
RUN bundle install
CMD sh -c "/bin/sh"