platform · inferred from evidence
GCE
Google Compute Engine, a platform for running virtual machines.
- Cloud SQL Proxy: dial tcp :3307 getsockopt connection timed out
The proxy dials Cloud SQL on port 3307 (not 3306), so your firewall must allow egress to the instance on 3307. A timeout here always means no network path; check firewall rules and IP-type reachability.