Added PostgreSQL RDS database. Added channels protected endpoints. Added scripts and docker config to run application locally in dev mode.

app/models/__init__.py

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+from .db import Base, ChannelDB
+from .schemas import ChannelCreate, ChannelResponse
+
+__all__ = ["Base", "ChannelDB", "ChannelCreate", "ChannelResponse"]

app/models/db.py

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+from datetime import datetime, timezone
+from sqlalchemy import Column, String, JSON, DateTime
+from sqlalchemy.ext.declarative import declarative_base
+
+Base = declarative_base()
+
+class ChannelDB(Base):
+    """SQLAlchemy model for IPTV channels"""
+    __tablename__ = "channels"
+
+    tvg_id = Column(String, primary_key=True)
+    name = Column(String, nullable=False)
+    group_title = Column(String)
+    tvg_name = Column(String)
+    tvg_logo = Column(String)
+    urls = Column(JSON)  # Stores list of URLs as JSON
+    created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))
+    updated_at = Column(DateTime, default=lambda: datetime.now(timezone.utc), onupdate=lambda: datetime.now(timezone.utc))

app/models/schemas.py

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+from datetime import datetime
+from typing import List
+from pydantic import BaseModel
+
+class ChannelCreate(BaseModel):
+    """Pydantic model for creating channels"""
+    urls: List[str]
+    name: str
+    group_title: str
+    tvg_id: str
+    tvg_logo: str
+    tvg_name: str
+
+class ChannelResponse(ChannelCreate):
+    """Pydantic model for channel responses"""
+    created_at: datetime
+    updated_at: datetime