fix: secure Flask defaults and add examples/requirements.txt

Author: MarceloAdan73

examples/flask_microservice.py

@@ -268,7 +268,11 @@ def _print_usage():
 
 def main() -> None:
     _print_usage()
-    app.run(host="0.0.0.0", port=5000, debug=True)
+    app.run(
+        host="127.0.0.1",
+        port=5000,
+        debug=os.environ.get("FLASK_DEBUG") == "1",
+    )
 
 
 if __name__ == "__main__":

examples/requirements.txt

@@ -0,0 +1,8 @@
+# Core
+llm-bridge
+
+# Web framework
+flask>=3.0
+
+# Optional: remote LLM providers
+# llm-bridge[openai]