Add Essence 520 minimal DB, configs, and login/game Docker profile.

scripts/sync-config-password.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+# Подставить POSTGRES_* из .env в config/login и config/game (без коммита .env).
+set -euo pipefail
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+ENV_FILE="${ROOT}/.env"
+[[ -f "$ENV_FILE" ]] || { echo "Нет .env"; exit 1; }
+read_env() { grep -m1 "^${1}=" "$ENV_FILE" | sed "s/^${1}=//"; }
+U="$(read_env POSTGRES_USER)"
+P="$(read_env POSTGRES_PASSWORD)"
+DB="$(read_env POSTGRES_DB)"
+for f in "$ROOT/config/login/LoginServer.properties" "$ROOT/config/game/Server.properties"; do
+  [[ -f "$f" ]] || continue
+  sed -i "s|^Login = .*|Login = $U|" "$f"
+  sed -i "s|^Password = .*|Password = $P|" "$f"
+  sed -i "s|jdbc:postgresql://postgres:5432/[^?]*|jdbc:postgresql://postgres:5432/$DB|" "$f"
+  echo "Обновлён: $f"
+done