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Database migrations are not executed during the Docker image build phase; synchronization occurs after container startup and application process startup.
Please note that these suggestions are based on my personal preferences and experience, for reference only.
This solution leverages PostgreSQL's native `pg_dump` logical backup tool, combined with host machine scripts and scheduled tasks, to achieve periodic snapshots and secure recovery of data.
In the era of containerization, database security is paramount in operations and maintenance. While Docker simplifies PostgreSQL deployment, the consequences of container corruption or accidental data deletion without automatic backups can be disastrous. This article introduces several mainstream PostgreSQL automatic backup solutions in Docker environments, analyzing their implementation methods and advantages and disadvantages.
