docker-qBittorrentvpn/transmission/start.sh

#!/bin/sh

# Source our persisted env variables from container startup
. /etc/transmission/environment-variables.sh

tun0ip=$(ifconfig tun0 | sed -n '2 p' | awk '{print $2}' | cut -d: -f2)
echo "Updating TRANSMISSION_BIND_ADDRESS_IPV4 to tun0 ip: ${tun0ip}"
export TRANSMISSION_BIND_ADDRESS_IPV4=${tun0ip}

echo "Generating transmission settings.json from env variables"
# Ensure TRANSMISSION_HOME is created
mkdir -p ${TRANSMISSION_HOME}
dockerize -template /etc/transmission/settings.tmpl:${TRANSMISSION_HOME}/settings.json /bin/true

echo "STARTING TRANSMISSION"
exec /usr/bin/transmission-daemon -g ${TRANSMISSION_HOME} &

if [ "$OPENVPN_PROVIDER" = "PIA" ]
then
    echo "STARTING PORT UPDATER"
    exec /etc/transmission/periodicUpdates.sh &
else
    echo "NO PORT UPDATER FOR THIS PROVIDER"
fi

echo "Transmission startup script complete."