FROM alpine:3.21
RUN apk add --no-cache git docker-cli curl && \
    curl -fsSL https://github.com/adnanh/webhook/releases/download/2.8.1/webhook-linux-amd64.tar.gz \
    | tar xz -C /usr/local/bin --strip-components=1
EXPOSE 9000
ENTRYPOINT ["/usr/local/bin/webhook"]