FROM amd64/debian:stretch as builder WORKDIR /root ENV VERSION v1.5.6 RUN apt-get update && \ apt-get install -y wget && \ wget https://github.com/vector-im/riot-web/releases/download/${VERSION}/riot-${VERSION}.tar.gz && \ tar xf riot-${VERSION}.tar.gz && \ mv riot-${VERSION}/ riot/ FROM superboum/amd64_webserver:v3 COPY --from=builder /root/riot /srv/http