fix: google credentials issue

src/services/google_cloud_image_upload.py

@@ -1,11 +1,17 @@
 from google.cloud import storage
 from PIL import Image
-from dotenv import load_dotenv
 import os
 import uuid
 import tempfile
 
-load_dotenv()
+def get_credentials():
+    credentials_json_string = os.getenv("GOOGLE_APPLICATION_CREDENTIALS_JSON")
+
+    # create a temp file with the credentials
+    with tempfile.NamedTemporaryFile(mode="w+", delete=False, suffix=".json") as temp_file:
+        temp_file.write(credentials_json_string)
+        temp_file_path = temp_file.name
+    return temp_file_path
 
 class GoogleCloudImageUploadService:
     BUCKET_NAME = "picchat-assets"
@@ -14,7 +20,9 @@ class GoogleCloudImageUploadService:
     def __init__(self):
         # Using API key here as per your original code. Note that for production,
         # service account credentials are generally recommended.
-        self.storage_client = storage.Client(client_options={"api_key": os.environ.get("GOOGLE_API_KEY")})
+        # get credentials from env
+        credentials_json = get_credentials()
+        self.storage_client = storage.Client.from_service_account_json(credentials_json)
 
     def upload_image_to_gcs(self, source_file_name):
         """