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computer-playbook/roles/web-app-pixelfed/README.md
kevinveenbirkenbachandClaude Opus 5.5 dd955a71a6 style(markdown): pin list markers to dash and convert every list
The 16.0.0 entry pkgmgr wrote on top of CHANGELOG.md uses "-" bullets
while every older entry uses "*". MD004's default "consistent" style takes
the marker of the first list in a file, so lint-markdown reported 400
MD004 findings in CHANGELOG.md and the pre-push gate refused the release
push.

MD004 is now pinned to "dash", the marker pkgmgr and the changelog skill
write, and make autoformat (markdownlint-cli2 --fix) converted the lists
of the 72 files that still used "*". Only list markers changed.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
2026-10-18 23:04:02 +02:00

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Markdown

# Pixelfed
## Description
Pixelfed is a decentralized image-sharing platform that champions creativity and privacy. It offers a secure, community-driven alternative to centralized social networks by enabling federated communication and seamless content sharing through a modern web interface.
## Overview
This Docker Compose deployment automates the installation and operation of a Pixelfed instance.
## Cosmos
The diagram places Pixelfed in the Infinito.Nexus cosmos: the components it deploys (capabilities), the central services it consumes (dependencies), and its outward reach (federation and bridged external networks).
```mermaid
flowchart LR
subgraph deps [Dependencies]
dep_svc_bkp_volume_2_local["svc-bkp-volume-2-local 💻"]
dep_svc_db_mariadb["svc-db-mariadb 🐳🐝"]
dep_svc_db_redis["svc-db-redis 🐳🐝"]
dep_svc_net_tor["svc-net-tor 🐳🐝"]
dep_web_app_dashboard["web-app-dashboard 🐳🐝"]
dep_web_app_keycloak["web-app-keycloak 🐳🐝"]
dep_web_app_matomo["web-app-matomo 🐳🐝"]
dep_web_app_prometheus["web-app-prometheus 🐳🐝"]
dep_web_app_seaweedfs["web-app-seaweedfs 🐳🐝"]
dep_web_app_stalwart["web-app-stalwart 🐳🐝"]
dep_web_svc_css["web-svc-css 💻"]
dep_web_svc_logout["web-svc-logout 🐳🐝"]
end
subgraph role [web-app-pixelfed 🐳🐝]
svc_sso["sso"]
svc_logout["logout"]
svc_dashboard["dashboard"]
svc_matomo["matomo"]
svc_email["email"]
svc_redis["redis"]
svc_mariadb["mariadb"]
svc_pixelfed["pixelfed"]
svc_worker["worker"]
svc_minio["minio ❌"]
svc_seaweedfs["seaweedfs"]
svc_css["css"]
svc_prometheus["prometheus"]
svc_tor["tor"]
svc_container_backup["container_backup"]
end
dep_svc_bkp_volume_2_local -. "0..1" .-> svc_container_backup
dep_svc_db_mariadb -. "0..1" .-> svc_mariadb
dep_svc_db_redis -. "0..1" .-> svc_redis
dep_svc_net_tor -. "0..1" .-> svc_tor
dep_web_app_dashboard -. "0..1" .-> svc_dashboard
dep_web_app_keycloak -. "0..1" .-> svc_sso
dep_web_app_matomo -. "0..1" .-> svc_matomo
dep_web_app_prometheus -. "0..1" .-> svc_prometheus
dep_web_app_seaweedfs -. "0..1" .-> svc_seaweedfs
dep_web_app_stalwart -. "0..1" .-> svc_email
dep_web_svc_css -. "0..1" .-> svc_css
dep_web_svc_logout -. "0..1" .-> svc_logout
```
Solid `1:1` edges are fixed relationships; dashed `0..1` edges are conditional (enabled only in matching deployments); red `0..0` edges are turned off in this role. Node markers show the role's deploy modes (💻 host, 🐳 compose, 🐝 swarm); ❌ marks a service that is explicitly turned off, and ⚙️ an Ansible role dependency declared in `meta/main.yml`.
## Features
- **Decentralized Content Sharing:** Empower users to share photos and visual content across an interoperable, federated network with enhanced privacy controls.
- **Modern, Responsive Web Interface:** Access an intuitive and adaptive UI for effortless browsing, administration, and content management.
- **Robust Scalability & Performance:** Leverage integrated Redis caching and a reliable database (MariaDB or PostgreSQL) for smooth scaling and high performance.
- **Flexible Configuration:** Customize cache sizes, domain settings, and authentication options via environment variables and templated configuration files.
- **Maintenance & Administration Tools:** Built-in CLI and web-app-based tools to clear caches, manage the database, and monitor application health.
- **Single Sign-On (SSO) / OpenID Connect (OIDC):** Seamless integration with external identity providers for centralized authentication.
## Quick Setup
### Development
Clone, set up the workstation, and deploy Pixelfed onto the local stack:
```bash
git clone https://github.com/infinito-nexus/core.git
cd core
make onboard
make compose-deploy mode=reinstall apps=web-app-pixelfed full_cycle=false
```
### Production
Run the published image to provision the inventory and deploy Pixelfed to a managed server (the mounted volume persists the inventory):
```bash
APP=web-app-pixelfed
HOST=<your-server>
DOMAIN=<your-domain>
TLS_MODE=self_signed
SSH_PUBLIC_KEY="<your-ssh-public-key>"
docker run --rm -it \
-v "$PWD/inventories:/etc/infinito.nexus/inventories" \
-e APP="$APP" -e HOST="$HOST" -e DOMAIN="$DOMAIN" -e TLS_MODE="$TLS_MODE" -e SSH_PUBLIC_KEY="$SSH_PUBLIC_KEY" \
ghcr.io/infinito-nexus/core/debian bash -c '
INVENTORY=/etc/infinito.nexus/inventories/production
infinito administration inventory provision "$INVENTORY" \
--inventory-file "$INVENTORY/devices.yml" \
--host "$HOST" \
--include "$APP" \
--vars "{\"TLS_MODE\": \"$TLS_MODE\", \"DOMAIN_PRIMARY\": \"$DOMAIN\", \"users\": {\"administrator\": {\"authorized_keys\": [\"$SSH_PUBLIC_KEY\"]}}}" &&
infinito administration deploy dedicated "$INVENTORY/devices.yml" \
--password-file "$INVENTORY/.password" \
--diff -vv'
```
## Other Resources
- [Official Pixelfed website](https://pixelfed.org/)
- [Pixelfed GitHub repository](https://github.com/pixelfed/pixelfed)
## Persona contract opt-outs
The shared `biber` and `administrator` persona helpers are declared blocked in [templates/playwright.env.j2](./templates/playwright.env.j2). Pixelfed's login id is the account e-mail rather than the Keycloak username, and the artisan-bootstrapped administrator name is reserved, so pixelfed's first-time OIDC registration cannot mint it either. `biber` additionally needs his Keycloak e-mail rewritten to a resolvable domain through the Keycloak admin API before the first OIDC login, because pixelfed's `dns,spoof` validator rejects `.example` addresses. Both setups live in [files/playwright/_shared.js](./files/playwright/_shared.js) and drive the dedicated login specs in [files/playwright](./files/playwright/).
## Credits
Implemented by **[Kevin Veen-Birkenbach](https://www.veen.world)**.
Part of the [Infinito.Nexus Project](https://s.infinito.nexus/code) and maintained by [Kevin Veen-Birkenbach](https://www.veen.world).
Licensed under the [Infinito.Nexus Community License (Non-Commercial)](https://s.infinito.nexus/license).