# Docker image for the Drone build runner
#
#     cd $GOPATH/src/github.com/drone/drone
#     docker build --file=cmd/drone-build/Dockerfile.alpine --rm=true -t drone/drone-build .

FROM alpine:3.2

ENV GOROOT=/usr/lib/go \
    GOPATH=/gopath     \
    GOBIN=/gopath/bin  \
    CGO_ENABLED=0      \
    PATH=$PATH:$GOROOT/bin:$GOPATH/bin

WORKDIR /gopath/src/github.com/drone/drone
ADD . /gopath/src/github.com/drone/drone

RUN apk add -U go ca-certificates       && \
  cd cmd/drone-build                    && \
  go build -a -tags netgo               && \
  apk del go                            && \
  mv drone-build /bin/drone-build       && \
  rm -rf /gopath                        && \
  rm -rf /var/cache/apk/*

ENTRYPOINT ["/bin/drone-build"]