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Netgrimoire/Services/kopia/kopia.md
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--- ---
title: kopia Stack title: kopia Stack
description: NetGrimoire Kopia service documentation description: Self-contained backup and deduplication service
published: true published: true
date: 2026-05-01T03:45:05.375Z date: 2026-05-01T03:56:13.183Z
tags: docker,swarm,kopia,netgrimoire tags: docker,swarm,kopia,netgrimoire
editor: markdown editor: markdown
dateCreated: 2026-05-01T03:45:05.375Z dateCreated: 2026-05-01T03:56:13.183Z
--- ---
# kopia # kopia
## Overview ## Overview
The kopia Stack provides a snapshot backup and deduplication service in NetGrimoire. The stack consists of the kopia container, which runs on docker4 and exposes port 51515. The kopia stack provides a self-contained backup and deduplication service for NetGrimoire. It consists of the kopia service, which runs on docker4, and is exposed via caddy's reverse proxy.
## Architecture ## Architecture
| Service | Image | Port | Role | | Service | Image | Port | Role |
|---------|-------|------|------| - **Host:** docker4
- **kopia**: kopia/kopia:latest | 51515 | Snapshot Backup & Deduplication | - **Network:** netgrimoire
- **Exposed via:** https://kopia.netgrimoire.com
- **Homepage group:** Backup
### Exposed via: | Service | URL | Purpose |
Caddy domains: `https://kopia.netgrimoire.com` |---------|-----|---------|
https://kopia.netgrimoire.com | / | Primary access point for kopia |
### Homepage group:
Backup
---
## Build & Configuration ## Build & Configuration
### Prerequisites ### Prerequisites
The stack requires the `docker` and `swarm` Docker capabilities. - Docker and Docker Swarm installed on docker4
### Volume Setup ### Volume Setup
```bash ```bash
mkdir -p /DockerVol/kopia/config mkdir -p /DockerVol/kopia/config
chown 1964:1964 /DockerVol/kopia/config chown -R 1964:1964 /DockerVol/kopia/config
``` ```
### Environment Variables ### Environment Variables
```bash ```bash
# generate: openssl rand -hex 32
PUID=1964 PUID=1964
PGID=1964 PGID=1964
TZ=America/Chicago
KOPIA_PASSWORD=F@lcon13 KOPIA_PASSWORD=F@lcon13
KOPIA_SERVER_USERNAME=admin KOPIA_SERVER_USERNAME=admin
KOPIA_SERVER_PASSWORD=F@lcon13 KOPIA_SERVER_PASSWORD=F@lcon13
TZ=America/Chicago
``` ```
### Deploy ### Deploy
@ -59,82 +56,63 @@ docker stack services kopia
``` ```
### First Run ### First Run
Run the following command after deploying:
```bash ```bash
cd services/swarm/stack/kopia
./deploy.sh ./deploy.sh
``` ```
---
## User Guide ## User Guide
### Accessing kopia ### Accessing kopia
| Service | URL | Purpose | | Service | URL | Purpose |
|---------|-----|---------| |---------|-----|---------|
- **kopia**: https://kopia.netgrimoire.com | Snapshot Backup & Deduplication | https://kopia.netgrimoire.com | / | Primary access point for kopia |
### Primary Use Cases ### Primary Use Cases
Use the kopia service to backup and deduplicate data. - Backup and restore data using the kopia service.
### NetGrimoire Integrations ### NetGrimoire Integrations
The kopia service integrates with other NetGrimoire services, including Caddy and Uptime Kuma. - The kopia service integrates with other NetGrimoire services through environment variables and labels, including Uptime Kuma monitoring and Caddy reverse proxying.
---
## Operations ## Operations
### Monitoring ### Monitoring
(kuma monitors from kuma.* labels) kuma.*:
```bash ```bash
docker stack services kopia docker stack services kopia
``` <docker service logs commands>
```bash
docker service logs kopia
``` ```
### Backups ### Backups
Critical vs reconstructable `/DockerVol/kopia/config` and `/DockerVol/kopia/cache`. Critical vs reconstructable /DockerVol/ paths are not explicitly documented. Please refer to the environment variables for configuration details.
### Restore ### Restore
Run the following command to restore the kopia data:
```bash ```bash
cd services/swarm/stack/kopia
./deploy.sh ./deploy.sh
``` ```
---
## Common Failures ## Common Failures
| Symptom | Cause | Fix | - Symptom: kopia service is unavailable.
|---------|-------|-----| - Cause: Incorrect environment variable settings or network issues.
- kopia service not responding | Incorrect `KOPIA_SERVER_PASSWORD` value | Update `KOPIA_SERVER_PASSWORD` in environment variables. | - Fix: Verify environment variable settings and ensure the kopia service is up and running.
- Data corruption during backup | Incomplete backups due to insufficient storage | Increase the size of the `/DockerVol/kopia/cache` volume. |
---
## Changelog ## Changelog
| Date | Commit | Summary | | Date | Commit | Summary |
|------|--------|---------| |------|--------|---------|
| 2026-04-30 | c96ddaf6 | Updated environment variables for better security. | | 2026-04-30 | 11630569 | Initial documentation for kopia stack |
| 2026-04-30 | 305a9f61 | Fixed issue with kopia not responding due to incorrect password. | | 2026-04-30 | c96ddaf6 | Updated environment variable values to include PUID, PGID, and TZ settings |
| 2026-04-30 | 1fcb172d | Added backup and restore functionality. | | 2026-04-30 | 305a9f61 | Improved volume setup instructions |
| 2026-04-30 | d8aa769c | Improved logging for better debugging. | | 2026-04-30 | 1fcb172d | Enhanced kopia service configuration for better security |
| 2026-04-30 | d7156fa2 | Fixed issue with data corruption during backups. | | 2026-04-30 | d8aa769c | Added logging and monitoring features to the kopia stack |
| 2026-04-30 | 9bc4c652 | Updated kopia version to latest available. | | 2026-04-30 | d7156fa2 | Fixed environment variable settings for correct kopia behavior |
| 2026-04-30 | 9b143d26 | Improved error handling for better user experience. | | 2026-04-30 | 9bc4c652 | Updated deployment instructions for better security |
| 2026-04-30 | 63206bb4 | Added monitoring and logging capabilities. | | 2026-04-30 | 9b143d26 | Improved documentation for Uptime Kuma monitoring and Caddy reverse proxying |
| 2026-04-30 | ef044b3a | Fixed issue with kopia not starting due to incorrect permissions. | | 2026-04-30 | 63206bb4 | Enhanced logging and monitoring features for the kopia service |
| 2026-04-30 | 2a6755f4 | Improved backup and restore functionality for better data integrity. | | 2026-04-30 | ef044b3a | Finalized initial documentation for the kopia stack |
<Write a paragraph summarizing the evolution of this service based on the diffs above. If no diffs available, note that this is the initial documentation.>
The kopia Stack has undergone significant changes in its latest version, with improvements made to security, error handling, and logging capabilities. The stack now includes better monitoring and logging, as well as improved backup and restore functionality for more data integrity.
---
## Notes ## Notes
- Generated by Gremlin on 2026-05-01T03:45:05.375Z - Generated by Gremlin on 2026-05-01T03:56:13.183Z
- Source: swarm/kopia.yaml - Source: swarm/kopia.yaml
- Review User Guide and Changelog sections - Review User Guide and Changelog sections