handler/mise.toml

[tasks.expo]
description = "Start the Expo Go dev server for the mobile app; set EXPO_ENDPOINT to the public URL of your reverse proxy"
dir = "app"
run = """
#!/usr/bin/env bash
set -euo pipefail
if [ -z "${EXPO_ENDPOINT:-}" ]; then
  echo "EXPO_ENDPOINT is not set." >&2
  echo "Set it to the public URL your reverse proxy exposes, e.g.:" >&2
  echo "  EXPO_ENDPOINT=https://expo.example.com mise run expo" >&2
  exit 1
fi
# Expo CLI uses EXPO_PACKAGER_PROXY_URL in place of the LAN/localhost URL when
# building manifest and QR-code URLs, so Expo Go connects through the proxy.
EXPO_PACKAGER_PROXY_URL="$EXPO_ENDPOINT" npx expo start
"""