41 lines
1.2 KiB
Docker
41 lines
1.2 KiB
Docker
# simple netcat (BSD) persistent echo server running on port 5555
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# running on Alpine Linux
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FROM alpine:3.11
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# standardized labels
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LABEL maintainer="Asif Bacchus <asif@bacchus.cloud>"
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LABEL org.label-schema.cmd="docker run --rm -t -p [<ipaddr>:]<host port>:5555 [--name ab-netcat] [-e TZ=timezone] docker.asifbacchus.app/ab-netcat"
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LABEL org.label-schema.description="Persistent netcat (BSD) echo server on Alpine Linux"
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LABEL org.label-schema.name="ab-netcat"
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LABEL org.label-schema.schema-version="1.0"
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LABEL org.label-schema.url="https://git.asifbacchus.app/ab-docker/ab-netcat"
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LABEL org.label-schema.usage="https://git.asifbacchus.app/ab-docker/ab-netcat/wiki"
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LABEL org.label-schema.vcs-url="https://git.asifbacchus.app/ab-docker/ab-netcat.git"
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# install tzdata so timezone can be set
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RUN apk --update --no-cache add \
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tzdata \
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netcat-openbsd
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# expose port
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EXPOSE 5555
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# environment variables
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ENV TZ=Etc/UTC
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# copy files
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COPY entrypoint.sh /
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# entrypoint script
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ENTRYPOINT [ "/entrypoint.sh" ]
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# run nc persistent by default
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CMD [ "nc", "-klv", "5555" ]
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# add build date and version labels
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ARG BUILD_DATE
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LABEL org.label-schema.version="0.1"
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LABEL org.label-schema.build-date=${BUILD_DATE}
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#EOF |