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myve 2024-07-19 00:43:08 +00:00
commit 2610d5cd18
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# syntax = docker/dockerfile:1
FROM alpine/base
USER root
# ENV variables
# Required
ENV MYVNC_VNCCLIENT_HOST=
ENV MYVNC_VNCCLIENT_PORT=
# Optional
ENV MYVNC_VNCSERVER_PORT=
# Run
RUN apk add --no-cache \
openssh-client \
&& <<- '01-init' cat >>/app/init.d/01-init.sh
# Check for client variables
if ! [ ${MYVNC_VNCCLIENT_HOST} ]
then
echo "Variable MYVNC_VNCCLIENT_HOST is missing."
echo "Exiting..."
exit 1
fi
if ! [ ${MYVNC_VNCCLIENT_PORT} ]
then
echo "Variable MYVNC_VNCCLIENT_PORT is missing."
echo "Exiting..."
exit 1
fi
if ! [[ ${MYVNC_VNCCLIENT_PORT} =~ ^[0-9]+$ ]]
then
echo "Variable MYVNC_VNCCLIENT_PORT is invalid."
echo "Exiting..."
exit 1
fi
# Read ssh client variables hostname and port (5900, 5901, 5902, etc)
if ssh ${MYVNC_VNCCLIENT_HOST} exit
then
ssh ${MYVNC_VNCCLIENT_HOST} -L ${MYVNC_VNCSERVER_PORT:-5900}:localhost:${MYVNC_VNCCLIENT_PORT} &
else
echo "Unable to establish SSH tunnel."
echo "Exiting..."
exit 1
fi
01-init
# Reset user home directory
USER user