the port 8080 should be set by "ports"

[r4ym0n]

in compose file , the web port is set by expose , which only expose port in the docker network.

expose:
   - "8080/tcp"

change it into

ports:
   - "8080:8080"

batter

[vx3r]

dpends if you use a revers proxy or not, how you want to expose the service to outside world. Using ports and exposing 8080 without ssl is not a best practice