DOCKERFILE

FROM alpine:3.20.0 AS base

ARG image_authors
ARG image_base_name
ARG image_created
ARG image_description
ARG image_documentation
ARG image_licenses
ARG image_source
ARG image_title
ARG image_url
ARG image_version

LABEL org.opencontainers.image.authors="${image_authors}"
LABEL org.opencontainers.image.base.name="${image_base_name}"
LABEL org.opencontainers.image.created="${image_created}"
LABEL org.opencontainers.image.description="${image_description}"
LABEL org.opencontainers.image.documentation="${image_documentation}"
LABEL org.opencontainers.image.licenses="${image_licenses}"
LABEL org.opencontainers.image.source="${image_source}"
LABEL org.opencontainers.image.title="${image_title}"
LABEL org.opencontainers.image.url="${image_url}"
LABEL org.opencontainers.image.version="${image_version}"

RUN apk update && \
apk add \
    bash \
    coreutils \
    curl \
    docker \
    gawk \
    grep \
    jq \
    ncurses \
    postfix \
    unzip \
    wget \
    which \
    zip \
&& rm -rf /var/cache/apk/* 

WORKDIR /opt/dcu
COPY ./LICENSE /opt/dcu/LICENSE
COPY ./entrypoint.sh /opt/dcu/entrypoint.sh
COPY ./dcu.sh /opt/dcu/dcu.sh
RUN chmod ugo+x dcu.sh entrypoint.sh
RUN ln -s /opt/dcu/dcu.sh /bin/dcu

ENTRYPOINT [ "/opt/dcu/entrypoint.sh" ]