ngrok/entrypoint.sh

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#!/bin/sh -e
if [ -n "$@" ]; then
exec "$@"
fi
# Legacy compatible:
if [ -z "$NGROK_PORT" ]; then
if [ -n "$HTTPS_PORT" ]; then
NGROK_PORT="$HTTPS_PORT"
elif [ -n "$HTTPS_PORT" ]; then
NGROK_PORT="$HTTP_PORT"
elif [ -n "$APP_PORT" ]; then
NGROK_PORT="$APP_PORT"
fi
fi
ARGS="ngrok"
# Set the protocol.
if [ "$NGROK_PROTOCOL" = "TCP" ]; then
ARGS="$ARGS tcp"
else
ARGS="$ARGS http"
NGROK_PORT="${NGROK_PORT:-80}"
fi
# Set the authorization token.
if [ -n "$NGROK_AUTH" ]; then
ARGS="$ARGS -authtoken=$NGROK_AUTH "
fi
# Set the subdomain or hostname, depending on which is set
if [ -n "$NGROK_HOSTNAME" ] && [ -n "$NGROK_AUTH" ]; then
ARGS="$ARGS -hostname=$NGROK_HOSTNAME "
elif [ -n "$NGROK_SUBDOMAIN" ] && [ -n "$NGROK_AUTH" ]; then
ARGS="$ARGS -subdomain=$NGROK_SUBDOMAIN "
elif [ -n "$NGROK_HOSTNAME" ] || [ -n "$NGROK_SUBDOMAIN" ]; then
if [ -z "$NGROK_AUTH" ]; then
echo "You must specify an authentication token after registering at https://ngrok.com to use custom domains."
exit 1
fi
fi
if [ -n "$NGROK_HEADER" ]; then
ARGS="$ARGS -host-header=$NGROK_HEADER "
fi
if [ -n "$NGROK_USERNAME" ] && [ -n "$NGROK_PASSWORD" ] && [ -n "$NGROK_AUTH" ]; then
ARGS="$ARGS -auth=\"$NGROK_USERNAME:$NGROK_PASSWORD\" "
elif [ -n "$NGROK_USERNAME" ] || [ -n "$NGROK_PASSWORD" ]; then
if [ -z "$NGROK_AUTH" ]; then
echo "You must specify a username, password, and Ngrok authentication token to use the custom HTTP authentication."
echo "Sign up for an authentication token at https://ngrok.com"
exit 1
fi
fi
ARGS="$ARGS -log stdout"
# Set the port.
if [ -z "$NGROK_PORT" ]; then
echo "You must specify a NGROK_PORT to expose."
exit 1
fi
ARGS="$ARGS `echo $NGROK_PORT | sed 's|^tcp://||'`"
set -x
exec $ARGS