FROM alpine:latest
LABEL maintainer.name="Uwe Hermann"\
      maintainer.email="uh@uleenucks.de"

RUN echo "http://dl-cdn.alpinelinux.org/alpine/edge/community/" >> /etc/apk/repositories \
  && echo "http://dl-cdn.alpinelinux.org/alpine/edge/testing/" >> /etc/apk/repositories \
  && apk -U upgrade --no-cache --no-progress \
  && apk --no-cache --no-progress add htop \
  && rm -rf /tmp/* /var/cache/apk/*

CMD [ "htop" ]