Dockerfiles/rpi-port-forward/README.md

rpi-port-forward

Forward your traffic behind NAT etc.

Usage

Define the following environment variables to configure port-forwarding.

Variable	Description	Optional
REMOTE_HOST	IP or address of the host you want to forward traffic to	no
REMOTE_PORT	Port on remote host to forward traffic to	yes (80)
LOCAL_PORT	Port where container listens	yes (80)

The socat process within the container will listen by default to port 80, use -pdocker flag to map the port of the local machine where it will listen to traffic to be forwarded.

docker run \
--name port-forward \
-d \
--restart always \
--publish 81:80 \
--ENV REMOTE_HOST=example.com \
--ENV REMOTE_PORT=82 \
--ENV LOCAL_PORT=80 \
newnius/rpi-port-forward

Thanks to: marcnuri/port-forward