FROM debian:buster

RUN apt-get update -y && \
    apt-get install -y \
    curl \
    git \
    make \
    automake \
    autoconf \
    tar \
    ca-certificates \
    build-essential \
    --no-install-recommends

# prepare env

RUN curl -o /tmp/go.tgz https://go.dev/dl/go1.18.linux-amd64.tar.gz && \
    tar zxf /tmp/go.tgz -C /usr/local/ && rm -f /tmp/go.tgz
ENV GOROOT /usr/local/go
ENV GOPATH /go
ENV PATH ${PATH}:${GOROOT}/bin:${GOPATH}/bin
ENV GO111MODULE on
ENV GOPROXY https://goproxy.cn,direct

# cross complie env

RUN apt-get install -y \
    gcc-i686-linux-gnu \
    g++-i686-linux-gnu \
    --no-install-recommends && \
    mkdir -p $GOPATH/bin || true

ENV GOOS linux
ENV GOARCH 386
ENV CC /usr/bin/i686-linux-gnu-gcc
ENV LD /usr/bin/i686-linux-gnu-ld
ENV AR /usr/bin/i686-linux-gnu-ar
ENV CGO_ENABLED 1