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add port forwarder

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Newnius
2019-02-18 15:14:12 +08:00
parent cbdedd6a86
commit 308511a7a3
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FROM alpine:3.8
MAINTAINER Newnius <docker@newnius.com>
ARG DEF_REMOTE_PORT=80
ARG DEF_LOCAL_PORT=80
ENV REMOTE_PORT=$DEF_REMOTE_PORT
ENV LOCAL_PORT=$DEF_LOCAL_PORT
RUN apk add --no-cache socat
CMD socat tcp-listen:$LOCAL_PORT,reuseaddr,fork tcp:$REMOTE_HOST:$REMOTE_PORT