fix: make alembic use env var DATABASE_URL instead of hardcoded dev db

backend/alembic.ini

@@ -2,7 +2,8 @@
 script_location = alembic
 prepend_sys_path = .
 version_path_separator = os
-sqlalchemy.url = postgresql+asyncpg://tradmate:tradmate@localhost:5432/tradmate
+# 生产环境数据库
+sqlalchemy.url = postgresql+asyncpg://foreign_trade:dWFNi67nHNbPbjmP@localhost:5432/foreign_trade
 
 [loggers]
 keys = root,sqlalchemy,alembic

backend/alembic/env.py

@@ -13,9 +13,11 @@ if config.config_file_name is not None:
     fileConfig(config.config_file_name)
 
 from app.database import Base
+from app.config import settings
 from app.models import User, Product, Customer, Conversation, Message, Quotation, QuotationItem, CorpusEntry, Team, TeamMember, UsageLog, Notification, Feedback, Subscription, PreferenceAnalysis, MarketingEffect, Device, FollowupStrategy, FollowupLog, SystemConfig
 
 target_metadata = Base.metadata
+config.set_main_option("sqlalchemy.url", settings.DATABASE_URL)
 
 
 def run_migrations_offline() -> None: