updating captain def

captain-definition

@@ -2,6 +2,8 @@
   "schemaVersion": 2,
   "dockerfileLines": [
                         "FROM monolidth/receipt-parser:latest",
-                        "EXPOSE 8721"
+                        "EXPOSE 8721",
+                        "WORKDIR /app/src",
+                        "CMD [ \"python\", \"-u\", \"./__init__.py\" ]"
                     ]
  }