Dockerfile

# Build layer
FROM ruby:2.7.1-buster

# Install program to configure locales
RUN apt-get update && apt-get install -y locales
RUN dpkg-reconfigure locales && \
  locale-gen C.UTF-8 && \
  /usr/sbin/update-locale LANG=C.UTF-8

# Install needed default locale for Makefly
RUN echo 'en_US.UTF-8 UTF-8' >> /etc/locale.gen && \
  locale-gen

# Set default locale for the environment
ENV LC_ALL C.UTF-8
ENV LANG en_US.UTF-8
ENV LANGUAGE en_US.UTF-8

RUN mkdir -p /work
WORKDIR work
RUN gem install bundler
COPY Gemfile Gemfile
COPY Gemfile.lock Gemfile.lock
RUN bundle install
COPY . .
RUN bundle exec jekyll build

# Hosting Layer
FROM nginx:1.21
COPY nginx.conf /etc/nginx/conf.d/default.conf
COPY --from=0 /work/_site/ /usr/share/nginx/html/