FROM alpine

RUN apk add --no-cache icecast
RUN mkdir -p /var/log/icecast2 && \
    chown icecast /var/log/icecast2

COPY icecast.xml /etc/icecast2/icecast.xml

USER icecast

CMD ["icecast", "-c", "/etc/icecast2/icecast.xml"]