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

app/auth/mock_auth.py

@@ -0,0 +1,32 @@
+from fastapi import HTTPException, status
+from app.models.auth import CognitoUser
+
+MOCK_USERS = {
+    "testuser": {
+        "username": "testuser",
+        "roles": ["admin"]
+    }
+}
+
+def mock_get_user_from_token(token: str) -> CognitoUser:
+    """
+    Mock version of get_user_from_token for local testing
+    Accepts 'testuser' as a valid token and returns admin user
+    """
+    if token == "testuser":
+        return CognitoUser(**MOCK_USERS["testuser"])
+    raise HTTPException(
+        status_code=status.HTTP_401_UNAUTHORIZED,
+        detail="Invalid mock token - use 'testuser'"
+    )
+
+def mock_initiate_auth(username: str, password: str) -> dict:
+    """
+    Mock version of initiate_auth for local testing
+    Accepts any username/password and returns a mock token
+    """
+    return {
+        "AccessToken": "testuser",
+        "ExpiresIn": 3600,
+        "TokenType": "Bearer"
+    }