Dockerfile to generate protos

Dockerfile

FROM ruby:2.3.0-alpine

ENV PROTOBUF_VERSION 3.0.2

RUN apk add --update build-base autoconf automake libtool git perl && \
    curl --location --silent --output /tmp/protobuf.tar.gz https://github.com/google/protobuf/archive/v$PROTOBUF_VERSION.tar.gz && \
    tar xfz /tmp/protobuf.tar.gz -C /tmp/ && \
    cd /tmp/protobuf-$PROTOBUF_VERSION && \
    ./autogen.sh && \
    ./configure --prefix=/usr && \
    make -j 3 && \
    make check && \
    make install && \
    rm -rf /tmp/protobuf-$PROTOBUF_VERSION

RUN apk add --update libstdc++

RUN mkdir /usr/local/grpc && \
    git clone https://github.com/grpc/grpc.git /usr/local/grpc --depth 1 && \
    git submodule update --init && \
    make grpc_ruby_plugin && \

RUN cd ~ && \
    apk del build-base autoconf automake libtool git perl && \
    rm -rf /var/cache/apk/* && \
    rm -rf /usr/local/grpc && \
    rm -rf /usr/local/include

RUN mkdir /app
WORKDIR /app

ADD Gemfile* /app/
RUN bundle install --jobs 20 --retry 5

ADD . /app
EXPOSE 8080

# ENTRYPOINT ["bundle", "exec"]
# CMD ["bundle", "exec", "ruby", "./server.rb"]