Can't access GCP container ports externally
With John on this one, you're likely missing or have incorrectly set up your ingress rule. You'll want to use something like below, though not exact.
Direction:
- Ingress
Action:
- Allow
Targets:
- Specific target tags input a network tag assigned to the VM
IP Range:
- IP range(s) you want to be able to access your app
Protocols and Ports:
- 8080