Use internal ip for api in production

src/api/routes.py

@@ -21,6 +21,8 @@ ALLOWED_EXTENSIONS = {'csv'}
 
 user_csvs = {}
 
+LETTERBOXD_API_URL = os.getenv('LETTERBOXD_API_URL')
+
 
 @lru_cache(maxsize=1000)
 def get_poster_url(movie_name, movie_year):
@@ -180,7 +182,7 @@ def fetch_diary_from_username():
             user_id = str(uuid.uuid4())
             session['user_id'] = user_id
 
-        api_url = f"https://api.hugo-pierret.be/letterboxd/diary?username={username}"
+        api_url = f"{LETTERBOXD_API_URL}/letterboxd/diary?username={username}"
         resp = requests.get(api_url)
         if resp.status_code != 200:
             return jsonify({'error': 'Failed to fetch diary from upstream API'}), 502