The goal: introduction into disaster recovery
Disclaimer: the following section gives only a brief introduction into the topics and propose a few low-hanging fruits to get started.
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A cloud often offers disaster-recovery tools from the box:
- Replication
- Backup redundancy options
- Retention policies
- Restore operations
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For example, when you create Azure Postgres service, you can choose backup retention and redundancy:
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For critical data, consider doing periodic backups into another cloud/service.
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Always create and regularly test recovery runbooks: steps to perform data restore.
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A cloud often proposes point-in-time restore, when you can choose exact point of time within your backup-retention policy.