FROM alpine:3.12 LABEL maintainer="Robert Kaussow " \ org.label-schema.name="wait-for" \ org.label-schema.vcs-url="https://github.com/thegeeklab/wait-for" \ org.label-schema.vendor="Robert Kaussow" \ org.label-schema.schema-version="1.0" ADD wait-for /usr/local/bin/wait-for RUN apk --no-cache netcat-openbsd USER root CMD [] ENTRYPOINT ["/usr/local/bin/wait-for"]