Add proxy fix

server.py

@@ -20,6 +20,7 @@ import chromadb
 import posthog
 from chromadb.config import Settings
 from sentence_transformers import SentenceTransformer
+from werkzeug.middleware.proxy_fix import ProxyFix
 
 colorama_init()
 
@@ -41,6 +42,10 @@ app = Flask(__name__)
 CORS(app)  # allow cross-domain requests
 app.config["MAX_CONTENT_LENGTH"] = 100 * 1024 * 1024
 
+app.wsgi_app = ProxyFix(
+    app.wsgi_app, x_for=1, x_proto=1, x_host=1, x_prefix=1
+)
+
 def get_real_ip():
     return request.environ.get('HTTP_X_FORWARDED_FOR', request.remote_addr)