FROM alpine:3.16

COPY entrypoint.sh /entrypoint.sh

RUN chmod +x /entrypoint.sh && \
    apk add --no-cache go-sendxmpp && \
    addgroup \
        --gid 10001 \
        sendxmpp && \
    adduser \
        --uid 10000 \
        --ingroup sendxmpp \
        --disabled-password \
        --shell /sbin/nologin \
        sendxmpp

USER sendxmpp
ENTRYPOINT ["/entrypoint.sh"]