feat: PostgreSQL 17 вместо SQLite

pg + connect-pg-simple, async routes, docker-compose, скрипт setup-postgres.

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/diagnose-502.sh

@@ -1,53 +1,52 @@
 #!/bin/bash
-# Диагностика HTTP 502 (Caddy не достучался до Node)
+# Диагностика HTTP 502 (Caddy не достучался до Node / БД)
 set -e
 
 echo "=== Shop / Caddy 502 diagnostic ==="
 echo
 
-echo "1. Служба shop"
-systemctl is-active shop 2>/dev/null || echo "  shop: не установлена или не active"
-systemctl status shop --no-pager -l 2>/dev/null | head -20 || true
+echo "1. PostgreSQL"
+if command -v pg_isready >/dev/null; then
+  pg_isready -h 127.0.0.1 -p 5432 && echo "  pg_isready: OK" || echo "  pg_isready: FAIL"
+else
+  echo "  pg_isready не найден"
+fi
 echo
 
-echo "2. Служба caddy"
+echo "2. Служба shop"
+systemctl is-active shop 2>/dev/null || echo "  shop: не active"
+systemctl status shop --no-pager -l 2>/dev/null | head -15 || true
+echo
+
+echo "3. Служба caddy"
 systemctl is-active caddy 2>/dev/null || true
 echo
 
-echo "3. Порт 3000"
+echo "4. Порт 3000"
 if command -v ss >/dev/null; then
-  ss -tlnp | grep ':3000' || echo "  Ничего не слушает порт 3000 — запустите shop"
+  ss -tlnp | grep ':3000' || echo "  Ничего не слушает порт 3000"
 else
-  netstat -tlnp 2>/dev/null | grep ':3000' || echo "  Порт 3000 не слушается"
+  netstat -tlnp 2>/dev/null | grep ':3000' || true
 fi
 echo
 
-echo "4. curl backend"
+echo "5. curl backend"
 if curl -sf --max-time 3 http://127.0.0.1:3000/health; then
   echo
-  echo "  OK — Node отвечает, проблема скорее в Caddyfile"
+  echo "  OK"
 else
-  echo "  FAIL — Node не отвечает на 127.0.0.1:3000"
-  echo "  Проверьте: journalctl -u shop -n 50 --no-pager"
+  echo "  FAIL — проверьте DATABASE_URL и journalctl -u shop"
 fi
 echo
 
-echo "5. .env (HOST, PORT)"
+echo "6. .env"
 if [ -f /opt/shop/.env ]; then
-  grep -E '^(HOST|PORT|NODE_ENV)=' /opt/shop/.env || true
+  grep -E '^(DATABASE_URL|HOST|PORT)=' /opt/shop/.env 2>/dev/null | sed 's/=.*/=***/' || true
+  grep -E '^DATABASE_URL=' /opt/shop/.env || echo "  DATABASE_URL не задан"
 else
   echo "  /opt/shop/.env не найден"
 fi
 echo
 
-echo "6. Права data/"
-if [ -d /opt/shop/data ]; then
-  ls -la /opt/shop/data
-else
-  echo "  Каталог data/ отсутствует — создайте: mkdir -p /opt/shop/data && chown www-data:www-data /opt/shop/data"
-fi
-echo
-
 echo "7. Node"
-which node || which nodejs || echo "  node не найден в PATH"
-node -v 2>/dev/null || nodejs -v 2>/dev/null || true
+which node && node -v

scripts/server-update.sh

@@ -9,9 +9,6 @@ git pull
 
 npm install --omit=dev
 
-mkdir -p data
-chown -R www-data:www-data data
-
 if systemctl is-active --quiet shop 2>/dev/null; then
   systemctl restart shop
   sleep 1

scripts/setup-postgres-ubuntu.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+# PostgreSQL 17 на Ubuntu — пользователь и БД для магазина
+# Запуск: sudo bash scripts/setup-postgres-ubuntu.sh
+set -euo pipefail
+
+DB_USER="${DB_USER:-shop}"
+DB_PASS="${DB_PASS:-shop}"
+DB_NAME="${DB_NAME:-shop}"
+
+if ! command -v psql >/dev/null; then
+  echo "Установите PostgreSQL 17:"
+  echo "  apt install -y postgresql-17 postgresql-client-17"
+  exit 1
+fi
+
+sudo -u postgres psql -v ON_ERROR_STOP=1 <<EOF
+DO \$\$
+BEGIN
+  IF NOT EXISTS (SELECT FROM pg_roles WHERE rolname = '${DB_USER}') THEN
+    CREATE ROLE ${DB_USER} LOGIN PASSWORD '${DB_PASS}';
+  END IF;
+END
+\$\$;
+
+SELECT 'CREATE DATABASE ${DB_NAME} OWNER ${DB_USER}'
+WHERE NOT EXISTS (SELECT FROM pg_database WHERE datname = '${DB_NAME}')\gexec
+
+GRANT ALL PRIVILEGES ON DATABASE ${DB_NAME} TO ${DB_USER};
+EOF
+
+echo ""
+echo "DATABASE_URL=postgresql://${DB_USER}:${DB_PASS}@127.0.0.1:5432/${DB_NAME}"