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Fix 'Docker Compose Port Already Allocated' on Mac - Troubleshooting PostgreSQL Connection Refused (port 5432)-Increase PHP Memory for Composer on Linux

2026-06-13 12:04:33
Fix 'Docker Compose Port Already Allocated' on Mac - Troubleshooting PostgreSQL Connection Refused (port 5432)-Increase PHP Memory for Composer on Linux

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.

Next references

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