FROM ruby:2.3-alpine

RUN apk add --update alpine-sdk && \
    apk add --update mysql-dev && \
    apk add --update libxslt-dev libxml2-dev && \
    apk add --update ruby-dev && \
    apk add --update libxslt libxml2 && \
    apk add --update xz-dev && \
    apk add --update zlib-dev && \
    apk add --update linux-headers && \
    rm -rf /var/cache/apk/*

RUN mkdir /app
WORKDIR /app

EXPOSE 8080

VOLUME /app

CMD [ "sh", "-c", "while true; do sleep 10; done" ]