Actually tell docker to bind ports
MODIFY
repo2docker/app.py
repo2docker/app.py
@@ -266,7 +266,7 @@ class Repo2Docker(Application):
ports = {}
container = client.containers.run(
self.output_image_spec,
- ports={},
+ ports=ports,
detach=True,
command=run_cmd
)

Actually tell docker to bind ports