Dockerfile

FROM ruby:3-alpine

# Install system dependencies
RUN apk add --update --no-cache \
    build-base \
    libpq-dev \
    libaio-dev \
    sqlite-dev \
    su-exec \
    tini \
    && rm -rf /var/lib/apt/lists/*

RUN gem update --system && gem install bundler

# Create gemstash user
ENV GEMSTASH_USER="gemstash"
ENV GEMSTASH_HOME="/home/${GEMSTASH_USER}"
RUN addgroup -g "9999" "${GEMSTASH_USER}" && \
    adduser -S -D -u "9999" -G "${GEMSTASH_USER}" "${GEMSTASH_USER}"

# Install Gemstash
RUN mkdir -p "${GEMSTASH_HOME}/app"
WORKDIR "${GEMSTASH_HOME}/app"
COPY "app/" "${GEMSTASH_HOME}/app"
RUN bundle install --jobs 4 --retry 3

USER ${GEMSTASH_USER}:${GEMSTASH_USER}

RUN mkdir -p "${GEMSTASH_HOME}/data"
VOLUME "${GEMSTASH_HOME}/data"
EXPOSE 9292

ENTRYPOINT ["tini", "--"]
CMD ["bundle", "exec", "gemstash", "start", "--no-daemonize", "--config-file=config.yml.erb"]