mirror of
https://github.com/funkypenguin/geek-cookbook/
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113 lines
3.1 KiB
Markdown
113 lines
3.1 KiB
Markdown
---
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title: Run Gollum in Docker Swarm
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recipe: Gollum
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---
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# Gollum
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Gollum is a simple wiki system built on top of Git. A Gollum Wiki is simply a git repository (_either bare or regular_) of a specific nature:
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* A Gollum repository's contents are human-editable, unless the repository is bare.
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* Pages are unique text files which may be organized into directories any way you choose.
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* Other content can also be included, for example images, PDFs and headers/footers for your pages.
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Gollum pages:
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* May be written in a variety of markups.
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* Can be edited with your favourite system editor or IDE (_changes will be visible after committing_) or with the built-in web interface.
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* Can be displayed in all versions (_commits_).
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{ loading=lazy }
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As you'll note in the (_real world_) screenshot above, my requirements for a personal wiki are:
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* Portable across my devices
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* Supports images
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* Full-text search
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* Supports inter-note links
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* Revision control
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Gollum meets all these requirements, and as an added bonus, is extremely fast and lightweight.
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!!! note
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Since Gollum itself offers no user authentication, this design secures gollum behind [traefik-forward-auth](/docker-swarm/traefik-forward-auth/), so that in order to gain access to the Gollum UI at all, authentication must have already occurred.
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## {{ page.meta.recipe }} Requirements
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--8<-- "recipe-standard-ingredients.md"
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## Preparation
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### Setup data locations
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We'll need an empty git repository in /var/data/gollum for our data:
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```bash
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mkdir /var/data/gollum
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cd /var/data/gollum
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git init
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```
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### {{ page.meta.recipe }} Docker Swarm config
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Create a docker swarm config file in docker-compose syntax (v3), something like the example below:
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--8<-- "premix-cta.md"
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```yaml
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version: '3'
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services:
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app:
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image: dakue/gollum
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volumes:
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- /var/data/gollum:/gollum
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networks:
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- internal
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- traefik_public
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deploy:
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labels:
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# traefik common
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- traefik.enable=true
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- traefik.docker.network=traefik_public
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# traefikv1
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- traefik.frontend.rule=Host:gollum.example.com
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- traefik.port=4567
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# traefikv2
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- "traefik.http.routers.gollum.rule=Host(`gollum.example.com`)"
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- "traefik.http.services.gollum.loadbalancer.server.port=4567"
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- "traefik.enable=true"
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# Remove if you wish to access the URL directly
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- "traefik.http.routers.wekan.middlewares=forward-auth@file"
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command: |
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--allow-uploads
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--emoji
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--user-icons gravatar
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networks:
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traefik_public:
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external: true
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internal:
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driver: overlay
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ipam:
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config:
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- subnet: 172.16.9.0/24
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```
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--8<-- "reference-networks.md"
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## Serving
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### Launch Gollum stack
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Launch the Gollum stack by running ```docker stack deploy gollum -c <path-to-docker-compose.yml>```
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[^1]: In the current implementation, Gollum is a "single user" tool only. The contents of the wiki are saved as markdown files under /var/data/gollum, and all the git commits are currently "Anonymous"
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{% include 'recipe-footer.md' %}
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