Changes service account key format

service/firebase_service.py

@@ -2,6 +2,7 @@ import os
 import firebase_admin
 from firebase_admin import auth, credentials, firestore
 import requests
+import json
 from dotenv import load_dotenv
 from fastapi import HTTPException
 from fastapi import Request
@@ -14,11 +15,27 @@ import requests
 load_dotenv()
 
 if not firebase_admin._apps:
-    key_path = os.getenv("SERVICE_ACCOUNT_KEY_PATH")
+    # 1. Try to get the credentials from the full JSON string (Best for Deployment)
+    firebase_creds_json = os.getenv("FIREBASE_CREDENTIALS_JSON")
     
-    if not key_path:
-        raise ValueError("SERVICE_ACCOUNT_KEY_PATH environment variable not set.")
-    cred = credentials.Certificate(key_path)
+    if firebase_creds_json:
+        # Parse the JSON string directly
+        cred_dict = json.loads(firebase_creds_json)
+        cred = credentials.Certificate(cred_dict)
+    
+    else:
+        # 2. Fallback: Try to load from a file path (Best for Local Development)
+        key_path = os.getenv("SERVICE_ACCOUNT_KEY_PATH", "serviceAccountKey.json")
+        
+        if not os.path.exists(key_path):
+            # If neither exists, we can't connect
+            raise ValueError(
+                "No Firebase credentials found! Set 'FIREBASE_CREDENTIALS_JSON' (deployment) "
+                "or ensure 'serviceAccountKey.json' exists locally."
+            )
+            
+        cred = credentials.Certificate(key_path)
+
     firebase_admin.initialize_app(cred)
 
 db = firestore.client()