Complete backend verification: fix syntax errors, create __init__.py files, add setup_db.py, update docker-compose for two PostgreSQL containers

backend/app/core/__init__.py

@@ -0,0 +1 @@
+# Core package

backend/app/core/database.py

@@ -2,7 +2,7 @@
 Database engine and session management.
 
 Provides async SQLAlchemy engine and session factory for dependency injection.
-Supports dual database connections for cockatrice app and mtgjson data.
+Supports dual database connections for mtgonline app and mtgjson data.
 """
 from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
 from sqlalchemy.orm import DeclarativeBase
@@ -10,7 +10,7 @@ from app.core.settings import get_settings
 
 settings = get_settings()
 
-# Primary database engine (cockatrice app)
+# Primary database engine (mtgonline app)
 engine = create_async_engine(
     settings.DATABASE_URL,
     echo=settings.DEBUG,
@@ -50,7 +50,7 @@ __all__ = ["Base", "get_db", "async_session", "engine", "mtg_get_db", "mtg_async
 
 
 async def get_db() -> AsyncSession:
-    """FastAPI dependency that provides a database session for the cockatrice app."""
+    """FastAPI dependency that provides a database session for the mtgonline app."""
     async with async_session() as session:
         try:
             yield session

backend/app/core/settings.py

@@ -12,17 +12,17 @@ class Settings(BaseSettings):
     """Application settings loaded from environment variables or .env file."""
     
     # Application
-    APP_NAME: str = "Cockatrice Web"
+    APP_NAME: str = "MTG Online"
     APP_VERSION: str = "0.2.0"
     DEBUG: bool = False
     SECRET_KEY: str = "change-me-in-production"
     JWT_SECRET_KEY: str = "change-me-in-production"
     
-    # Database - Primary (cockatrice app)
-    DATABASE_URL: str = "postgresql+asyncpg://cockatrice:cockatrice_pass@localhost:5432/cockatrice"
+    # Database - Primary (mtgonline app)
+    DATABASE_URL: str = "postgresql+asyncpg://mtgonline:mtgonline_pass@localhost:5432/mtgonline"
     
     # Database - Secondary (mtgjson data)
-    MTG_DATABASE_URL: str = "postgresql+asyncpg://cockatrice:cockatrice_pass@localhost:5432/mtgdata"
+    MTG_DATABASE_URL: str = "postgresql+asyncpg://mtgonline:mtgonline_pass@localhost:5432/mtgdata"
     
     # Redis
     REDIS_URL: str = "redis://localhost:6379/0"
@@ -55,12 +55,15 @@ class Settings(BaseSettings):
     # Database configuration
     DB_CONFIG: dict = {
         "engine": "postgresql+asyncpg",
-        "user": "cockatrice",
-        "password": "cockatrice_pass",
+        "user": "mtgonline",
+        "password": "mtgonline_pass",
         "host": "postgres",
         "port": 5432,
     }
     
+    # Logging
+    LOG_LEVEL: str = "INFO"
+    
     # Redis configuration
     REDIS_CONFIG: dict = {
         "host": "redis",