Nick Janetakis 7/21/2026

How to Back Up PostgreSQL in Docker (Local, S3, and Plakar)

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This article provides a comprehensive guide on creating reliable daily backups for PostgreSQL databases running in Docker containers. It covers multiple backup strategies: local file system backups, S3 bucket backups, and using the free/open-source Plakar tool for cost-effective storage. The tutorial includes step-by-step scripts for performing backups and restores, cron job setup, and addresses common concerns about third-party tools. It is aimed at developers and IT professionals managing self-hosted web applications with PostgreSQL in Docker environments.

How to Back Up PostgreSQL in Docker (Local, S3, and Plakar)

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