Dockerfile

FROM alpine:latest
MAINTAINER Gavin Brooks <gavin@brks.io>

ENV VERSION v0.12.8
ENV RELEASE syncthing-linux-amd64-$VERSION

# Add user to run syncthing as, must exist on host and have access to files
RUN adduser -D -u 1000 syncthing users

# Add dependencies
RUN apk add --update ca-certificates && \

# Add glibc
    wget "https://circle-artifacts.com/gh/andyshinn/alpine-pkg-glibc/6/artifacts/0/home/ubuntu/alpine-pkg-glibc/packages/x86_64/glibc-2.21-r2.apk" && \
	apk add --allow-untrusted glibc-2.21-r2.apk && \

# Download from release from Github
    wget -O /$RELEASE.tar.gz \
	    https://github.com/syncthing/syncthing/releases/download/$VERSION/$RELEASE.tar.gz && \
	tar zxf /$RELEASE.tar.gz -C /usr/local && \
	ln -s /usr/local/$RELEASE/syncthing /usr/local/bin && \

# Modify ownership to permit syncthing updating via a userspace run binary
  chown -R syncthing:syncthing /usr/local/$RELEASE/ && \
	chown -R syncthing:syncthing /usr/local/bin && \


# Clean up
    rm /$RELEASE.tar.gz && \
    rm -rf /var/cache/apk/*

VOLUME /config

EXPOSE 8384 22000 21025/udp

USER syncthing

CMD ["-no-browser", "-no-restart", "-gui-address=0.0.0.0:8384", "-home=/config"]

ENTRYPOINT ["/usr/local/bin/syncthing"]