Dockerfile.faye

FROM ruby:2.7.0-slim

# Install build tools
RUN apt-get update -qq \
    && apt-get install -y build-essential \
    && apt-get clean autoclean && apt-get autoremove -y \
    && rm -rf /var/lib/apt /var/lib/dpkg /var/lib/cache /var/lib/log

WORKDIR /usr/src/app
COPY server/faye.ru ./

RUN gem install faye rack thin
ENV PORT=9292
EXPOSE 9292

CMD rackup faye.ru -E production