From 0a6fa2a6566a6d20b9cd587f1d188869971871c5 Mon Sep 17 00:00:00 2001
From: Tyler Hoang <tyler@tylerhoang.xyz>
Date: Tue, 19 May 2026 00:39:59 -0700
Subject: systemd

---
 scripts/stack.sh | 142 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100755 scripts/stack.sh

(limited to 'scripts/stack.sh')

diff --git a/scripts/stack.sh b/scripts/stack.sh
new file mode 100755
index 0000000..83f3920
--- /dev/null
+++ b/scripts/stack.sh
@@ -0,0 +1,142 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+RUN_DIR="$ROOT_DIR/.run"
+LOG_DIR="$RUN_DIR/logs"
+
+BACKEND_PID_FILE="$RUN_DIR/backend.pid"
+FRONTEND_PID_FILE="$RUN_DIR/frontend.pid"
+BACKEND_LOG="$LOG_DIR/backend.log"
+FRONTEND_LOG="$LOG_DIR/frontend.log"
+
+BACKEND_HOST="${BACKEND_HOST:-127.0.0.1}"
+BACKEND_PORT="${BACKEND_PORT:-8001}"
+FRONTEND_HOST="${FRONTEND_HOST:-127.0.0.1}"
+FRONTEND_PORT="${FRONTEND_PORT:-3001}"
+API_BASE_URL="${NEXT_PUBLIC_API_BASE_URL:-http://${BACKEND_HOST}:${BACKEND_PORT}}"
+
+is_running() {
+  local pid_file="$1"
+  if [[ -f "$pid_file" ]]; then
+    local pid
+    pid="$(cat "$pid_file")"
+    if [[ -n "$pid" ]] && kill -0 "$pid" 2>/dev/null; then
+      return 0
+    fi
+    rm -f "$pid_file"
+  fi
+  return 1
+}
+
+require_file() {
+  local path="$1"
+  local label="$2"
+  if [[ ! -e "$path" ]]; then
+    echo "$label not found: $path" >&2
+    exit 1
+  fi
+}
+
+cmd_start() {
+  require_file "$ROOT_DIR/backend/.venv/bin/uvicorn" "Backend virtualenv executable"
+  require_file "$ROOT_DIR/frontend/node_modules" "Frontend dependencies"
+  mkdir -p "$LOG_DIR"
+
+  if is_running "$BACKEND_PID_FILE"; then
+    echo "Backend already running on PID $(cat "$BACKEND_PID_FILE")"
+  else
+    (
+      cd "$ROOT_DIR/backend"
+      exec .venv/bin/uvicorn app.main:app --reload --host "$BACKEND_HOST" --port "$BACKEND_PORT"
+    ) >"$BACKEND_LOG" 2>&1 &
+    echo $! >"$BACKEND_PID_FILE"
+    echo "Started backend on http://${BACKEND_HOST}:${BACKEND_PORT} (PID $(cat "$BACKEND_PID_FILE"))"
+  fi
+
+  if is_running "$FRONTEND_PID_FILE"; then
+    echo "Frontend already running on PID $(cat "$FRONTEND_PID_FILE")"
+  else
+    (
+      cd "$ROOT_DIR/frontend"
+      export NEXT_PUBLIC_API_BASE_URL="$API_BASE_URL"
+      exec npm run dev -- --hostname "$FRONTEND_HOST" --port "$FRONTEND_PORT"
+    ) >"$FRONTEND_LOG" 2>&1 &
+    echo $! >"$FRONTEND_PID_FILE"
+    echo "Started frontend on http://${FRONTEND_HOST}:${FRONTEND_PORT} (PID $(cat "$FRONTEND_PID_FILE"))"
+  fi
+
+  cat <<EOF
+
+Stack status
+- Frontend: http://${FRONTEND_HOST}:${FRONTEND_PORT}
+- Backend:  http://${BACKEND_HOST}:${BACKEND_PORT}
+- Logs:     $LOG_DIR
+EOF
+}
+
+stop_process() {
+  local name="$1"
+  local pid_file="$2"
+  if [[ ! -f "$pid_file" ]]; then
+    echo "$name not running"
+    return
+  fi
+
+  local pid
+  pid="$(cat "$pid_file")"
+
+  if [[ -n "$pid" ]] && kill -0 "$pid" 2>/dev/null; then
+    kill "$pid" 2>/dev/null || true
+    for _ in {1..20}; do
+      if ! kill -0 "$pid" 2>/dev/null; then
+        break
+      fi
+      sleep 0.25
+    done
+    if kill -0 "$pid" 2>/dev/null; then
+      kill -9 "$pid" 2>/dev/null || true
+    fi
+    echo "Stopped $name (PID $pid)"
+  else
+    echo "$name pid file was stale"
+  fi
+
+  rm -f "$pid_file"
+}
+
+cmd_stop() {
+  stop_process "frontend" "$FRONTEND_PID_FILE"
+  stop_process "backend" "$BACKEND_PID_FILE"
+}
+
+cmd_restart() {
+  cmd_stop
+  cmd_start
+}
+
+cmd_status() {
+  if is_running "$BACKEND_PID_FILE"; then
+    echo "backend   running  PID $(cat "$BACKEND_PID_FILE")  http://${BACKEND_HOST}:${BACKEND_PORT}"
+  else
+    echo "backend   stopped"
+  fi
+
+  if is_running "$FRONTEND_PID_FILE"; then
+    echo "frontend  running  PID $(cat "$FRONTEND_PID_FILE")  http://${FRONTEND_HOST}:${FRONTEND_PORT}"
+  else
+    echo "frontend  stopped"
+  fi
+}
+
+case "${1:-}" in
+  start)   cmd_start ;;
+  stop)    cmd_stop ;;
+  restart) cmd_restart ;;
+  status)  cmd_status ;;
+  *)
+    echo "Usage: $(basename "$0") {start|stop|restart|status}" >&2
+    exit 1
+    ;;
+esac
-- 
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