FROM debian:stretch as base
USER root
ARG OPENSSL_VER=1.1.1a
# ARG POSTGRES_VER=11.1
RUN apt-get update && \
  apt-get install -y \
  musl-dev musl-tools file nano git zlib1g-dev cmake make g++ curl pkgconf \
  linux-headers-amd64 ca-certificates xutils-dev libpq-dev libssl-dev \
  --no-install-recommends && \
  rm -rf /var/lib/apt/lists/*
ENV MUSL_PREFIX=/musl
RUN mkdir /workdir && mkdir $MUSL_PREFIX
WORKDIR /libworkdir
RUN ln -s /usr/include/x86_64-linux-gnu/asm /usr/include/x86_64-linux-musl/asm && \
  ln -s /usr/include/asm-generic /usr/include/x86_64-linux-musl/asm-generic && \
  ln -s /usr/include/linux /usr/include/x86_64-linux-musl/linux
RUN curl -sL http://www.openssl.org/source/openssl-${OPENSSL_VER}.tar.gz | tar xz
# RUN curl -sL https://ftp.postgresql.org/pub/source/v${POSTGRES_VER}/postgresql-${POSTGRES_VER}.tar.gz | tar xz
RUN curl -sL https://zlib.net/zlib-1.2.11.tar.gz | tar xz
RUN cd zlib-1.2.11 && \
  CC="musl-gcc -fPIE -pie" LDFLAGS="-L/musl/lib/" CFLAGS="-I/musl/include" \
  ./configure --prefix=$MUSL_PREFIX && \
  make -j$(nproc) && \
  make install
RUN cd openssl-${OPENSSL_VER} && \
  CC="musl-gcc -fPIE -pie" LDFLAGS="-L/musl/lib/" CFLAGS="-I/musl/include" \
  ./Configure no-shared no-async --prefix=$MUSL_PREFIX --openssldir=$MUSL_PREFIX/ssl linux-x86_64 && \
  make depend && \
  make -j$(nproc) && \
  make install
RUN echo "/musl/lib" >> /etc/ld-musl-x86_64.path
# RUN cd postgresql-${POSTGRES_VER} && \
#   CC="musl-gcc -fPIE -pie" LDFLAGS="-L/musl/lib/" CFLAGS="-I/musl/include" \
#   ./configure --prefix=$MUSL_PREFIX --host=x86_64-unknown-linux-musl --without-readline && \
#   make -j$(nproc) && \
#   make install

FROM base as rust-base
ARG RUST_VER=1.54.0
RUN curl https://sh.rustup.rs -sSf | sh -s -- -y  --default-toolchain ${RUST_VER}
ENV PATH=/root/.cargo/bin:$PATH
RUN cargo install cargo-tree
RUN rustup target add x86_64-unknown-linux-musl
ENV PATH=$MUSL_PREFIX/bin:$PATH \
  PKG_CONFIG_ALLOW_CROSS=true \
  PKG_CONFIG_ALL_STATIC=true \
  PKG_CONFIG_PATH=$MUSL_PREFIX/lib/pkgconfig \
  PQ_LIB_STATIC_X86_64_UNKNOWN_LINUX_MUSL=true \
  PG_CONFIG_X86_64_UNKNOWN_LINUX_GNU=/usr/bin/pg_config \
  OPENSSL_STATIC=true \
  OPENSSL_DIR=$MUSL_PREFIX \
  SSL_CERT_FILE=/etc/ssl/certs/ca-certificates.crt \
  SSL_CERT_DIR=/etc/ssl/certs \
  LIBZ_SYS_STATIC=1
WORKDIR /workdir

FROM rust-base as builder
ADD . /workdir
RUN PKG_CONFIG_ALLOW_CROSS=1 cargo build --release --target x86_64-unknown-linux-musl

FROM alpine:3
COPY --from=builder /workdir/target/x86_64-unknown-linux-musl/release/kenv /usr/local/bin/
ENTRYPOINT ["kenv"]