FROM amd64/alpine:3.13@sha256:d0710affa17fad5f466a70159cc458227bd25d4afb39514ef662ead3e6c99515 LABEL maintainer="Robert Kaussow " LABEL org.opencontainers.image.authors="Robert Kaussow " LABEL org.opencontainers.image.title="wait-for" LABEL org.opencontainers.image.url="https://github.com/thegeeklab/wait-for" LABEL org.opencontainers.image.source="https://github.com/thegeeklab/wait-for" LABEL org.opencontainers.image.documentation="https://github.com/thegeeklab/wait-for" ADD wait-for /usr/local/bin/wait-for RUN apk --no-cache add netcat-openbsd USER root CMD [] ENTRYPOINT ["/usr/local/bin/wait-for"]