FROM debian:9-slim # Define image metadata LABEL maintainer="inf_sfb1288@lists.uni-bielefeld.de" ENV LANG=C.UTF-8 # Install prerequisites RUN apt-get update \ && apt-get install -y --no-install-recommends \ imagemagick \ python3.5 \ && rm -rf /var/lib/apt/lists/* # Install merge_images COPY merge_images /usr/local/bin ENTRYPOINT ["merge_images"] CMD ["--help"]