FROM golang:1.9.4-alpine3.7 AS builder
ARG DOCKER_BUILD_DIR
ARG GIT_AUTHOR_NAME
ARG GIT_AUTHOR_EMAIL

LABEL maintainer aynic.os <support+docker@asycn.io>

ENV GIT_AUTHOR_NAME=${GIT_AUTHOR_NAME}
ENV GIT_AUTHOR_EMAIL=${GIT_AUTHOR_EMAIL}
ENV GIT_COMMITTER_NAME=${GIT_AUTHOR_NAME}
ENV GIT_COMMITTER_EMAIL=${GIT_AUTHOR_EMAIL}

WORKDIR /go/src/github.com/gliderlabs/registrator/
RUN \
    apk add --no-cache curl git \
    && git clone https://github.com/gliderlabs/registrator/ . \
# TEMPORARY DISABLED - TODO: check with new upstream master
#    && git reset --hard da90d170da9dd7e1a8d9a13429d44686dc3d118f \
#    # -useIpFromNetwork command line option \
#    && git fetch origin pull/596/head \
#    && git merge --no-edit 8d904c60949e310893a25c8af3636b0151334dd4 \
#    # convert check.Script to check.Args \
#    && git fetch origin pull/627/head \
#    && git merge --no-edit ed053c364e3ba941aeca9ab0d8791b051ff4dede \
#    # skip tls verification \
#    && git fetch origin pull/661/head \
#    && git merge --no-edit 38fc83ac07b4a070be71079cb810429d94a60205 \
    && curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh \
    && dep ensure -vendor-only \
    && CGO_ENABLED=0 GOOS=linux go build \
        -a -installsuffix cgo \
        -ldflags "-X main.Version=$(cat VERSION)" \
        -o bin/registrator \
        .

FROM alpine:3.7 as dist
ARG DOCKER_BUILD_DIR
RUN apk add --no-cache ca-certificates
COPY --from=builder /go/src/github.com/gliderlabs/registrator/bin/registrator /bin/registrator

ENTRYPOINT ["/bin/registrator"]

FROM dist as master
ARG DOCKER_BUILD_DIR