Added docker/compose stuff and hopefully fixed CI

readme.md

@@ -121,6 +121,47 @@ download:
   # cookies_path: ~/.config/shanty/cookies.txt  # for higher YT rate limits
 ```
 
+## Docker
+
+### Quick start
+
+```sh
+# Edit compose.yml to set your music library path, then:
+docker compose up -d
+# Open http://localhost:8085
+```
+
+### Build from source
+
+```sh
+docker build -t shanty .
+docker run -d \
+  -p 8085:8085 \
+  -v ./config:/config \
+  -v shanty-data:/data \
+  -v /path/to/music:/music \
+  shanty
+```
+
+### Volumes
+
+| Mount | Purpose |
+|-------|---------|
+| `/config` | Config file (`config.yaml`) |
+| `/data` | Database (`shanty.db`) and downloads |
+| `/music` | Your music library |
+
+### Environment variables
+
+| Variable | Default | Description |
+|----------|---------|-------------|
+| `SHANTY_CONFIG` | `/config/config.yaml` | Config file path |
+| `SHANTY_DATABASE_URL` | `sqlite:///data/shanty.db?mode=rwc` | Database URL |
+| `SHANTY_LIBRARY_PATH` | `/music` | Music library path |
+| `SHANTY_DOWNLOAD_PATH` | `/data/downloads` | Download directory |
+| `SHANTY_WEB_PORT` | `8085` | HTTP port |
+| `SHANTY_WEB_BIND` | `0.0.0.0` | Bind address |
+
 ## Testing
 
 ```sh