Mastodon

Mastodon is a free, open-source social network server based on ActivityPub. It allows you to run your own instance of a decentralized social media platform.

Version

This package deploys Mastodon v4.5.3 (released July 8, 2025).

Dependencies

PostgreSQL: Database for storing application data
Redis: Used for caching and background job queuing

Configuration

VAPID Keys

Mastodon requires VAPID (Voluntary Application Server Identification) keys for Web Push notifications. These keys use Elliptic Curve P-256 cryptography.

The Wild Cloud API automatically generates proper VAPID keys when you add the Mastodon app. No manual configuration is required!

Database

The database is automatically initialized with:

Database: mastodon_production
User: mastodon with auto-generated password
All necessary privileges granted

The db-init job handles creating the database and user, and automatically updates the user password if it changes.

Storage

Mastodon uses two persistent volumes:

Assets (10Gi): Stores compiled assets and static files
System (100Gi): Stores user uploads, media files, and other system data

Both volumes use ReadWriteMany access mode to allow multiple pods to access them simultaneously.

Components

Mastodon runs three separate services:

Web (Puma): Main web server for the Mastodon web interface
Streaming (Node.js): Real-time streaming API for live updates
Sidekiq: Background job processor for async tasks

Access

After deployment, Mastodon will be available at:

https://mastodon.{your-cloud-domain}

The ingress automatically routes:

/api/v1/streaming → Streaming service
All other paths → Web service

First-Time Setup

Add and deploy the app:

wild app add mastodon
wild app deploy mastodon

Generate and configure VAPID keys (see above)
Access your instance in a browser and create the first admin user account
Configure additional settings through the Mastodon admin interface

Security

All containers run as non-root user (UID 991) with:

No privilege escalation
All capabilities dropped
Compliant with Pod Security Standards

Notes

SMTP configuration is inherited from your Wild Cloud instance settings
Database credentials are auto-generated and stored in your instance's secrets.yaml
The Active Record Encryption keys are auto-generated for Rails 8.0.3 compatibility

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