ARG ARCH
FROM amd64/alpine:3.13.4@sha256:e103c1b4bf019dc290bcc7aca538dc2bf7a9d0fc836e186f5fa34945c5168310 AS base-amd64
FROM arm32v7/alpine:3.13.4@sha256:59b46c319f3b66dfda96faafd0c6959e9b2f409792d0236204f270dfd0235960 AS base-arm
FROM arm64v8/alpine:3.13.4@sha256:071fa5de01a240dbef5be09d69f8fef2f89d68445d9175393773ee389b6f5935 AS base-arm64
FROM base-${ARCH}

RUN adduser -D -h /usr/local/tor -s /bin/false tor tor && \
    apk upgrade --no-cache && apk add \
    curl="7.74.0-r1" \
    tor="0.4.4.8-r0" && \
    rm -f /var/cache/apk/* && \
    mkdir /web && \
    chown -R tor /web /etc/tor && \
    chmod 700 /web

COPY entrypoint.sh /

VOLUME /web

USER tor

ENTRYPOINT ["sh", "/entrypoint.sh"]