FROM alpine:3.15@sha256:4edbd2beb5f78b1014028f4fbb99f3237d9561100b6881aabbf5acce2c4f9454 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"]