silverlinux-infra/docs/backups.md

Backups

Overview

This document describes the backup strategy for SilverLinux.

The goal is to ensure that all critical services can be restored after hardware failure, accidental deletion, corruption, or disaster recovery scenarios.

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Backup Priorities

Critical

These items must always be backed up.

PostgreSQL

Contains:

• OpenProject database
• Gitea database
• Future application databases

Importance:

Critical

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Gitea Data

Location:

/srv/docker/gitea/data

Contains:

• Git repositories
• Attachments
• Configuration
• User data

Importance:

Critical

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OpenProject Assets

Location:

/srv/docker/openproject/assets

Contains:

• Attachments
• Uploaded files
• User generated content

Importance:

Critical

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Shared Secrets

Location:

/srv/secrets/company.env

Contains:

• SMTP credentials
• PostgreSQL passwords
• OpenProject secrets
• Future OAuth secrets

Importance:

Critical

Without this file applications may not start correctly.

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Nginx Proxy Manager

Locations:

/srv/docker/nginx-proxy-manager/data
/srv/docker/nginx-proxy-manager/letsencrypt

Contains:

• Proxy configuration
• SSL certificates
• Domain routing

Importance:

Critical

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Medium Priority

Portainer

Volume:

portainer_portainer_data

Contains:

• Portainer users
• Portainer configuration
• Stack definitions

Importance:

Medium

Can be recreated if necessary.

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Jitsi Configuration

Location:

/srv/docker/jitsi

Contains:

• Jitsi configuration
• Internal authentication configuration

Importance:

Medium

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Backup Storage

Current Location:

/srv/backups

Suggested Structure:

/srv/backups/
├── daily
├── weekly
└── monthly

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Retention Policy

Daily

Keep:

7 days

Weekly

Keep:

4 weeks

Monthly

Keep:

12 months

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Restore Priorities

Restore order:

1. PostgreSQL
2. Shared secrets
3. Nginx Proxy Manager
4. Gitea
5. OpenProject
6. Portainer
7. Jitsi

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Disaster Recovery Checklist

Step 1

Install:

• Ubuntu Server
• Docker
• Docker Compose

Step 2

Restore:

/srv/secrets/company.env

Step 3

Restore:

/srv/docker

data directories.

Step 4

Restore PostgreSQL databases.

Step 5

Deploy Docker stacks.

Step 6

Verify:

• DNS
• SSL certificates
• Email delivery
• Application access

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Related Documentation

• docs/server.md
• docs/security.md
• docs/secrets.md
• postgres/README.md
• gitea/README.md
• openproject/README.md