# initialize from the image

FROM debian:9

# install build tools and dependencies

RUN dpkg --add-architecture i386 && \
    apt-get update && \
    apt-get install -y \
    build-essential curl unzip git python3 python3-pip \
    libsdl2-dev:i386 libsdl2-image-dev:i386 gcc-multilib

ENV PROTOBUF_VERSION=3.4.0
RUN curl -LO "https://github.com/google/protobuf/releases/download/v${PROTOBUF_VERSION}/protoc-${PROTOBUF_VERSION}-linux-x86_64.zip"
RUN unzip "protoc-${PROTOBUF_VERSION}-linux-x86_64.zip" -d /usr
RUN pip3 install "protobuf==${PROTOBUF_VERSION}" ecdsa

RUN ln -s python3 /usr/bin/python