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FROM golang:1.11 AS builder
WORKDIR /go/src/github.com/syncthing/syncthing
COPY . .
ENV CGO_ENABLED=0
ENV BUILD_HOST=syncthing.net
ENV BUILD_USER=docker
RUN rm -f syncthing && go run build.go -no-upgrade build syncthing
FROM alpine
EXPOSE 8384 22000 21027/udp
VOLUME ["/var/syncthing"]
RUN apk add --no-cache ca-certificates su-exec
COPY --from=builder /go/src/github.com/syncthing/syncthing/syncthing /bin/syncthing
ENV PUID=1000 PGID=1000
HEALTHCHECK --interval=1m --timeout=10s \
CMD nc -z localhost 8384 || exit 1
ENTRYPOINT \
chown "${PUID}:${PGID}" /var/syncthing \
&& su-exec "${PUID}:${PGID}" \
env HOME=/var/syncthing \
/bin/syncthing \
-home /var/syncthing/config \
-gui-address 0.0.0.0:8384
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