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add configurable port and better error handling #10

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add configurable port and better error handling #10

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14 changes: 13 additions & 1 deletion tunnel.sh
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Original file line number Diff line number Diff line change
@@ -1,13 +1,25 @@
#!/bin/sh

if [ "$1" = "--help" ]; then
echo "Usage: $0 [domain]"
echo "Exposes local server on port \$PORT (default 3040) via ngrok."
echo "If domain is provided, uses that domain."
exit 0
fi

domain=$1
port=3040
port=${PORT:-3040}

if ! command -v ngrok >/dev/null 2>&1; then
echo "Please install ngrok: https://ngrok.com/download"
exit 1
fi

if ! nc -z localhost "$port" > /dev/null 2>&1; then
echo "Warning: No server is listening on port $port. Ngrok might not work as expected."
fi

echo "Starting ngrok on port $port..."
if [ -n "$domain" ]; then
ngrok http --domain="$domain" "$port"
else
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