link2pay-app/link2pay at main · Link2Pay/link2pay-app · GitHub

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

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
BACKEND_DIR="${ROOT_DIR}/backend"
FRONTEND_DIR="${ROOT_DIR}/frontend"
COMPOSE_FILE="${ROOT_DIR}/docker-compose.yml"

BACKEND_PID=""
FRONTEND_PID=""

log() {
  printf '[link2pay] %s\n' "$1"
}

die() {
  printf '[link2pay] ERROR: %s\n' "$1" >&2
  exit 1
}

assert_docker_ready() {
  if ! docker compose version >/dev/null 2>&1; then
    die "Docker Compose plugin is required."
  fi

  if ! docker info >/dev/null 2>&1; then
    die "Docker daemon is not running."
  fi
}

cleanup() {
  if [[ -n "${BACKEND_PID}" ]] && kill -0 "${BACKEND_PID}" >/dev/null 2>&1; then
    kill "${BACKEND_PID}" >/dev/null 2>&1 || true
  fi

  if [[ -n "${FRONTEND_PID}" ]] && kill -0 "${FRONTEND_PID}" >/dev/null 2>&1; then
    kill "${FRONTEND_PID}" >/dev/null 2>&1 || true
  fi
}

require_artifact() {
  local path="$1"
  local help_message="$2"
  if [[ ! -e "$path" ]]; then
    die "${help_message}"
  fi
}

start_backend() {
  log "Starting backend API on http://localhost:3001"
  (cd "$BACKEND_DIR" && npm start) &
  BACKEND_PID=$!
}

start_frontend() {
  log "Starting frontend preview on https://localhost:4173"
  (cd "$FRONTEND_DIR" && npm run preview -- --host 0.0.0.0 --port 4173) &
  FRONTEND_PID=$!
}

wait_for_postgres() {
  local attempts=30
  local i

  log "Waiting for PostgreSQL container readiness"
  for ((i = 1; i <= attempts; i++)); do
    if docker compose -f "$COMPOSE_FILE" exec -T postgres pg_isready -U link2pay -d link2pay >/dev/null 2>&1; then
      return 0
    fi
    sleep 1
  done

  die "PostgreSQL did not become ready in time."
}

if [[ "$(uname -s)" != "Linux" ]]; then
  die "This launcher is intended for Linux. Use ./setup.sh first."
fi

if ! command -v npm >/dev/null 2>&1; then
  die "npm is required."
fi

if ! command -v docker >/dev/null 2>&1; then
  die "Docker is required."
fi

assert_docker_ready

if [[ -f "$COMPOSE_FILE" ]]; then
  docker compose -f "$COMPOSE_FILE" up -d postgres >/dev/null
  wait_for_postgres
fi

require_artifact "${BACKEND_DIR}/dist/index.js" "Missing backend build. Run ./setup.sh first."
require_artifact "${FRONTEND_DIR}/dist/index.html" "Missing frontend build. Run ./setup.sh first."

trap cleanup EXIT INT TERM

start_backend
sleep 1
start_frontend

log "Press Ctrl+C to stop both services."

wait -n "${BACKEND_PID}" "${FRONTEND_PID}"
exit_code=$?

if (( exit_code != 0 )); then
  die "One of the processes exited unexpectedly."
fi