FROM thegeeklab/alpine:latest@sha256:686ad37427ebcbccddafea3ea52cbd4f5d76c747b324220239ab17790e5e8cb3

LABEL maintainer="Robert Kaussow <mail@thegeeklab.de>"
LABEL org.opencontainers.image.authors="Robert Kaussow <mail@thegeeklab.de>"
LABEL org.opencontainers.image.title="git-chglog"
LABEL org.opencontainers.image.url="https://gitea.rknet.org/docker/git-chglog"
LABEL org.opencontainers.image.source="https://gitea.rknet.org/docker/git-chglog"
LABEL org.opencontainers.image.documentation="https://gitea.rknet.org/docker/git-chglog"

ARG BUILD_VERSION

# renovate: datasource=github-releases depName=git-chglog/git-chglog
ENV CHGLOG_VERSION="${BUILD_VERSION:-v0.15.4}"

COPY overlay/ /

RUN apk add --update --no-cache --virtual .build-deps tar curl && \
    apk add --update --no-cache git && \
    echo "Installing git-chglog version '${CHGLOG_VERSION##v}' ..." && \
    curl -SsfL "https://github.com/git-chglog/git-chglog/releases/download/${CHGLOG_VERSION}/git-chglog_${CHGLOG_VERSION##v}_linux_amd64.tar.gz" | \
      tar xz -C /usr/local/bin git-chglog && \
    chmod 755 /usr/local/bin/git-chglog && \
    apk del .build-deps && \
    rm -rf /var/cache/apk/* && \
    rm -rf /tmp/* && \
    rm -rf /root/.cache/

USER root
CMD []
ENTRYPOINT ["/usr/local/bin/git-chglog"]