Containerized Spring boot App unable to connect to MongoDB

[steevej (Steeve Juneau)]

@Jack_Woehr

I could be wrong here

You are not wrong.

Can't add replica set to PRIMARY node

contradicts It is a contradiction because each container is an isolated virtual host. (Italicized because it is a little bit different than a real virtual machine) It is clearly not OK because you get So despite the fact that I am not a docker user, I am pretty sure one container cannot access another container using localhost. And each member of a replica set has to connect to every member of the replica set. I think a little bit of reading about docker and networking might help you: …