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| title: VoiceCraft CPU Clone Server | |
| emoji: 🎙️ | |
| colorFrom: gray | |
| colorTo: blue | |
| sdk: docker | |
| app_port: 7860 | |
| # VoiceCraft Docker Worker 3.1.2 | |
| This worker serves FastAPI endpoints for TTS, optional Pocket TTS CPU voice cloning, health checks, Firebase license validation, device limits, monthly credits, and per-user worker assignments. | |
| ## Protected Space settings | |
| Required: | |
| - `VOICECRAFT_AUTH_MODE=license` | |
| - `FIREBASE_SERVICE_ACCOUNT_JSON=<complete Firebase service-account JSON>` | |
| - `VOICECRAFT_SPACE_ID=auto` | |
| For TTS only: | |
| - `ENABLE_CLONE_ENGINES=0` | |
| For voice cloning: | |
| - `ENABLE_CLONE_ENGINES=1` | |
| - `HF_TOKEN=<Hugging Face read token after accepting Pocket TTS terms>` | |
| Optional: | |
| - `VOICECRAFT_MAX_CONCURRENT_JOBS=1` | |
| - `MIN_CLIENT_VERSION=3.0.0` | |
| - `TTS_REQUESTS_PER_MINUTE=60` | |
| - `CLONE_REQUESTS_PER_MINUTE=8` | |
| Configure the matching Space document in the private VoiceCraft admin dashboard. Set its URL, enabled state, public/private visibility, clone capability, priority, and capacity. Private worker access is enforced again by the worker, so knowing its URL is not sufficient. | |
| The worker exposes `/health`, `/status`, `/all_voices`, `/register_user`, `/activate_license`, `/license_status`, and `/tts`. | |
| Do not add service-account JSON, HF tokens, or API secrets to repository files or public Space variables. Use protected Space secrets only. | |