fix: use default instead of default_factory for UUID mixin

SQLAlchemy requires MappedAsDataclass for default_factory.
Also adds docker-compose with postgres and redis for local dev.

docker-compose.yml

@@ -0,0 +1,29 @@
+services:
+  postgres:
+    image: postgres:16-alpine
+    environment:
+      POSTGRES_DB: proxypool
+      POSTGRES_USER: proxypool
+      POSTGRES_PASSWORD: proxypool
+    ports:
+      - "5432:5432"
+    volumes:
+      - pg_data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U proxypool"]
+      interval: 2s
+      timeout: 5s
+      retries: 10
+
+  redis:
+    image: redis:7-alpine
+    ports:
+      - "6379:6379"
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 2s
+      timeout: 5s
+      retries: 10
+
+volumes:
+  pg_data:

src/proxy_pool/db/base.py

@@ -12,7 +12,7 @@ class Base(DeclarativeBase):
 class UUIDPrimaryKeyMixin:
     id: Mapped[uuid.UUID] = mapped_column(
         primary_key=True,
-        default_factory=uuid.uuid4,
+        default=uuid.uuid4,
     )
 
 

src/proxy_pool/proxy/models.py

@@ -45,6 +45,7 @@ class ProxySource(UUIDPrimaryKeyMixin, TimestampMixin, Base):
     cron_schedule: Mapped[str | None] = mapped_column(String(64))
     default_protocol: Mapped[ProxyProtocol] = mapped_column(
         ENUM(ProxyProtocol, name="proxy_protocol"),
+        default=ProxyProtocol.HTTP,
     )
     is_active: Mapped[bool] = mapped_column(default=True)
     last_scraped_at: Mapped[datetime | None] = mapped_column()