FROM golang:alpine AS lib_builder

WORKDIR /foundry

RUN apk add git make linux-headers cmake g++
RUN git clone https://github.com/jgarff/rpi_ws281x.git \
  && cd rpi_ws281x \ 
  && mkdir build \
  && cd build \ 
  && cmake -D BUILD_SHARED=OFF -D BUILD_TEST=OFF .. \
  && cmake --build . \
  && make install

# Stage 1 : Build a go image with the rpi_ws281x C library and the go wrapper

FROM golang:alpine
COPY --from=lib_builder /usr/local/lib/libws2811.a /usr/local/lib/
COPY --from=lib_builder /usr/local/include/ws2811 /usr/local/include/ws2811
RUN apk add git make linux-headers cmake g++
WORKDIR /go/src/github.com/rpi-ws281x/rpi-ws281x-go
COPY . .
RUN GO111MODULE=off go get -d -v ./...
RUN GO111MODULE=off go build -v ./...

WORKDIR /go