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Cake day: June 20th, 2023

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  • Not so long ago I had the same question myself, and I ended up setting 1 Postgress instance and 1 MySQL instance for all services to share. In the long run, I had so many version and settings incompatibilities across services that moved back to one DB per service that is tuned specifically for it. Also, I add a backup app to all my docker compose files that have a DB in it. This way, backups happen periodically and automatically.