web.sh

#!/usr/bin/env bash
set -euo pipefail

###############################################################################
# web.sh — Coin Smith: PSBT builder web UI and visualizer
#
# Starts the web server for the PSBT transaction builder.
#
# Behavior:
#   - Reads PORT env var (default: 3000)
#   - Prints the URL (e.g., http://127.0.0.1:3000) to stdout
#   - Keeps running until terminated (CTRL+C / SIGTERM)
#   - Must serve GET /api/health -> 200 { "ok": true }
#
###############################################################################

PORT="${PORT:-3000}"

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
WEB_BIN="$SCRIPT_DIR/coin-smith/target/release/web"

if [[ ! -x "$WEB_BIN" ]]; then
  echo "Error: Missing web binary at coin-smith/target/release/web. Run ./setup.sh first." >&2
  exit 1
fi

# Run and keep alive; the binary prints the URL to stdout as required.
PORT="$PORT" exec "$WEB_BIN"