hankin
423baff73b
- Docker bridge 网络隔离（8000 端口封死） - Gunicorn 4 Worker 多进程 - Alembic 数据库迁移基线 - 日志轮转 20m×3 - JWT 密钥 + DB 密码 + CORS 收紧 - 3-2-1 备份链路（NAS + R740-B 冷备） - 连接池 pool_pre_ping + pool_recycle=3600
65 lines
1.8 KiB
Python
65 lines
1.8 KiB
Python
# -*- coding: utf-8 -*-
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"""
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Alembic 迁移环境配置
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从 app.core.config 动态获取数据库 URL，自动检测 ORM 模型变更。
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"""
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from logging.config import fileConfig
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from alembic import context
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from sqlalchemy import engine_from_config, pool
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from app.core.config import settings
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from app.core.database import Base
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# 导入所有模型，确保 Alembic 能检测到它们
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import app.models # noqa: F401
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# Alembic Config 对象
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config = context.config
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# 动态注入数据库 URL (使用同步驱动，因为 Alembic 不支持异步)
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config.set_main_option("sqlalchemy.url", settings.DATABASE_URL_SYNC)
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# 日志配置
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if config.config_file_name is not None:
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fileConfig(config.config_file_name)
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# MetaData 对象 - Alembic 通过它检测表结构变更
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target_metadata = Base.metadata
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def run_migrations_offline() -> None:
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"""离线模式：生成 SQL 脚本而不实际连接数据库"""
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url = config.get_main_option("sqlalchemy.url")
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context.configure(
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url=url,
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target_metadata=target_metadata,
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literal_binds=True,
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dialect_opts={"paramstyle": "named"},
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)
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with context.begin_transaction():
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context.run_migrations()
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def run_migrations_online() -> None:
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"""在线模式：连接数据库并直接执行迁移"""
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connectable = engine_from_config(
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config.get_section(config.config_ini_section, {}),
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prefix="sqlalchemy.",
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poolclass=pool.NullPool,
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)
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with connectable.connect() as connection:
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context.configure(
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connection=connection,
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target_metadata=target_metadata,
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)
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with context.begin_transaction():
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context.run_migrations()
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if context.is_offline_mode():
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run_migrations_offline()
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else:
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run_migrations_online()
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