ARG ARCH
FROM amd64/alpine:3.12.3@sha256:074d3636ebda6dd446d0d00304c4454f468237fdacf08fb0eeac90bdbfa1bac7 AS base-amd64
FROM arm32v7/alpine:3.12.3@sha256:299294be8699c1b323c137f972fd0aa5eaa4b95489c213091dcf46ef39b6c810 AS base-arm
FROM arm64v8/alpine:3.12.3@sha256:549694ea68340c26d1d85c00039aa11ad835be279bfd475ff4284b705f92c24e 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="7.69.1-r3" \
    tor="0.4.3.7-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"]