zhizhu
Home / cloud-software / Fix PostgreSQL Connection Refused on Port 5432 - Composer Memory Limit 1024M Still Failing: Fixes That Work-How to Resolve MySQL Docker Volume Permission Error

Fix PostgreSQL Connection Refused on Port 5432 - Composer Memory Limit 1024M Still Failing: Fixes That Work-How to Resolve MySQL Docker Volume Permission Error

Updated 2026-06-13 15:24:28cloud-software
Fix PostgreSQL Connection Refused on Port 5432 - Composer Memory Limit 1024M Still Failing: Fixes That Work-How to Resolve MySQL Docker Volume Permission Error
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.