Admin 496a5f4a0b feat: recommend server-generated mixes from Musify and YouTube Music
Mixes are their own concept, not playlists: they live in their own
Mixes/MixItems tables, cannot be edited and never show up among the
user's playlists. Each item is either a Musify track or a YouTube Music
reference, so YouTube songs stream directly instead of being downloaded.

A daily Hangfire job seeds the mixes from the listening history: one
discovery mix, one daily mix and one per top artist.

The per-user YouTube filler query was already in the working tree and
rides along here because it shares files with this change.
2026-07-21 18:13:07 +02:00

Musify

Music streaming platform: upload your own tracks (or import them from YouTube), process them asynchronously (audio transcoded to .m4a, thumbnails generated) and stream them without the bytes ever going through the API.

backend/      .NET 10 — Domain / Application / Infrastructure / Api / Worker / StreamingGateway
web-player/   SvelteKit 2 + Svelte 5 + Tailwind 4 web client
deploy/       Docker Compose stacks and the scripts that bootstrap them
docs/         What each piece does and why (in Spanish)

Run it

Development (Windows, Docker Desktop):

./deploy/up.ps1        # infrastructure; the apps run from the IDE
./deploy/up.ps1 -Apps  # everything in Docker

Production, on a server with a domain:

./deploy/up.sh         # fill in deploy/.env.prod and the TLS certs when it asks

Both are idempotent and print what they did. See deploy/README.md for the details, the port map and the production prerequisites.

Components

Service Port (dev) Role
Musify.Api 5111 REST API, issues presigned upload URLs and stream tickets
Musify.StreamingGateway 8081 YARP proxy that validates the stream ticket and serves the audio
Musify.Worker — MassTransit consumers: transcoding, thumbnails, YouTube downloads
web-player 5173 / 3000 Web client (SvelteKit, server-side OIDC session)
Zitadel 8080 Identity (OIDC/OAuth2)
PostgreSQL / RabbitMQ / SeaweedFS / Jaeger 59000 / 5672 / 8333 / 16686 Metadata, messaging, object storage, traces

More in docs/: architecture, authentication, storage, streaming, media processing, development.

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