FROM alpine:3.20

ARG VERSION

LABEL version="${VERSION}" \
    Maintainer="H2 invent GmbH" \
    Description="Webhook Server" \
    org.opencontainers.version="${VERSION}" \
    org.opencontainers.image.title="Webhook Server" \
    org.opencontainers.image.vendor="H2 invent GmbH" \
    org.opencontainers.image.authors="Andreas Holzmann <support@h2-invent.com>" \
    org.opencontainers.image.documentation="https://h2-invent.com" \
    org.opencontainers.image.url="https://h2-invent.com"

RUN apk --no-cache add \
    git \
    curl \
    jq \
    && rm -rf /var/cache/apk/*

RUN addgroup -S webhook \
    && adduser -S webhook -G webhook

WORKDIR /opt/webhook

RUN wget https://github.com/adnanh/webhook/releases/download/${VERSION}/webhook-linux-amd64.tar.gz -O artifact.tar.gz \
    && tar --strip-components=1 -xvzf artifact.tar.gz \
    && ls -ls \
    && chmod +x webhook \
    rm artifact.tar.gz

RUN echo "- id: whoami-webhook" > hooks.yaml \
    && echo "  execute-command: 'whoami'" >> hooks.yaml

EXPOSE 9000

USER webhook

ENTRYPOINT ['/opt/webhook/webhook', '-hooks', 'hooks.yaml', '-verbose' ]