FROM alpine:3.16@sha256:686d8c9dfa6f3ccfc8230bc3178d23f84eeaf7e457f36f271ab1acc53015037c 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"]