FROM golang:1.9 as builder

ENV PLUGINS \
	github.com/hacdias/caddy-webdav

RUN go get github.com/mholt/caddy/caddy $PLUGINS
RUN echo \
	'package caddymain\n' \
	'import (\n' \
		$(for p in $PLUGINS; do echo "_ \"$p\"\\\n"; done) \
	')\n' \
	> /go/src/github.com/mholt/caddy/caddy/caddymain/plugins.go
RUN go install -installsuffix netgo -tags netgo github.com/mholt/caddy/caddy

FROM scratch
COPY --from=builder /go/bin/caddy /

EXPOSE 80/tcp 443/tcp
WORKDIR /
ENTRYPOINT ["/caddy"]
CMD ["--conf", "/Caddyfile", "--log", "stdout"]