add env file

http-api/app.py

@@ -50,3 +50,9 @@ def exc_error(exc: ServiceError):
 @tracer.capture_lambda_handler
 def lambda_handler(event: dict, context: LambdaContext) -> dict:
     return app.resolve(event, context)
+
+
+if __name__ == '__main__':
+    print(
+        app.get_openapi_json_schema(),
+    )