feat: bootstrap dodo phase one

migrations/env.py

@@ -0,0 +1,46 @@
+from logging.config import fileConfig
+
+from alembic import context
+from sqlalchemy import pool
+from sqlalchemy.ext.asyncio import async_engine_from_config
+
+from backend import models  # noqa: F401
+from backend.config import get_settings
+from backend.db import Base
+
+config = context.config
+config.set_main_option("sqlalchemy.url", get_settings().database_url)
+if config.config_file_name:
+    fileConfig(config.config_file_name)
+target_metadata = Base.metadata
+
+
+def run_migrations_offline():
+    context.configure(url=config.get_main_option("sqlalchemy.url"), target_metadata=target_metadata, literal_binds=True, dialect_opts={"paramstyle":"named"})
+    with context.begin_transaction(): context.run_migrations()
+
+
+def do_run_migrations(connection):
+    context.configure(connection=connection, target_metadata=target_metadata)
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+async def run_async_migrations():
+    connectable = async_engine_from_config(
+        config.get_section(config.config_ini_section),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+    async with connectable.connect() as connection:
+        await connection.run_sync(do_run_migrations)
+    await connectable.dispose()
+
+
+def run_migrations_online():
+    import asyncio
+    asyncio.run(run_async_migrations())
+
+
+if context.is_offline_mode(): run_migrations_offline()
+else: run_migrations_online()