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177c3f8 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | # Frontend Setup (FeatureFlag)
This frontend connects to the FastAPI backend used by the feature rollout simulation.
## 1) Configure Environment
Create `frontend/.env.local` from `frontend/.env.example`:
```bash
NEXT_PUBLIC_API_URL=http://127.0.0.1:8000
```
If your backend runs on another port (for example 7860), set it accordingly.
## 2) Start Backend
From repository root:
```bash
python -m feature_flag_env.server.app
```
Default health endpoint:
- `http://127.0.0.1:8000/health`
## 3) Start Frontend
```bash
cd frontend
npm install
npm run dev
```
Open:
- `http://localhost:3000`
## 4) Configure API Key and URL in UI
In **Settings** page:
- Save your `X-API-Key` value.
- Save your API base URL if it differs from `.env`.
- Use **Test** to verify backend connectivity.
## UI pages
- **Dashboard** (`/`): core simulation overview + charts
- **Control** (`/flags`): the current backend simulation “flag” and manual rollout control
- **Monitoring** (`/monitoring`): `/monitoring/*` endpoints and raw `/metrics` output
- **AI Decisions** (`/ai-decisions`): action history + rewards
## Notes
- Backend CORS allowlist is configured through `FRONTEND_ORIGINS` in backend `.env`.
- Frontend API client supports fallback between common local ports (`8000`, `7860`) if no URL is configured.
- If monitoring endpoints are disabled in backend config, dashboard gracefully falls back to core health/state data.
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