Update service ports in documentation and configuration files to 12000 for backend
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@@ -42,7 +42,7 @@ cp .env.example .env
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```bash
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cd backend
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uvicorn app.main:app --reload --port 8000
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uvicorn app.main:app --reload --port 12000
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```
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### Running the frontend
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@@ -13,7 +13,7 @@ Describes:
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│ ┌─────────────┐ ┌─────────────────────┐ │
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│ │ frontend │ │ backend │ │
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│ │ (Flask) │ │ (FastAPI) │ │
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│ │ :5000 │ │ :8000 │ │
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│ │ :5000 │ │ :12000 │ │
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│ └──────┬──────┘ └──────────┬──────────┘ │
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│ │ │ │
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│ └────────┬──────────┘ │
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@@ -31,11 +31,11 @@ Describes:
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**Mapping of Building Blocks to Infrastructure:**
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| Building Block | Container / Process | Port |
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| --------------- | ---------------------------- | ---- |
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| Flask frontend | `frontend` | 5000 |
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| FastAPI backend | `backend` | 8000 |
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| DuckDB | File on host (`data/app.db`) | — |
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| Building Block | Container / Process | Port |
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| --------------- | ---------------------------- | ----- |
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| Flask frontend | `frontend` | 5000 |
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| FastAPI backend | `backend` | 12000 |
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| DuckDB | File on host (`data/app.db`) | — |
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## Infrastructure Level 2
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+14
-24
@@ -6,14 +6,14 @@ This guide covers deploying `ai.allucanget.biz` using [Coolify](https://coolify.
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The application consists of two Python services:
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| Service | Framework | Port | Description |
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| -------- | ----------------- | ---- | ------------------------------------------ |
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| Backend | FastAPI + uvicorn | 8000 | REST API, auth, AI generation, DuckDB |
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| Frontend | Flask + gunicorn | 5000 | SSR web UI, session auth, proxy to backend |
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| Service | Framework | Port | Description |
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| -------- | ----------------- | ----- | ------------------------------------------ |
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| Backend | FastAPI + uvicorn | 12000 | REST API, auth, AI generation, DuckDB |
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| Frontend | Flask + gunicorn | 5000 | SSR web UI, session auth, proxy to backend |
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Coolify's built-in reverse proxy routes traffic:
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- `/api/*` → Backend (port 8000)
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- `/api/*` → Backend (port 12000)
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- `/` → Frontend (port 5000)
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## Prerequisites
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@@ -30,10 +30,10 @@ Coolify's built-in reverse proxy routes traffic:
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4. Choose the `main` branch
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5. Set **Build Pack** to `nixpacks`
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6. **CRITICAL: Set Base Directory to `/backend`** — this tells Nixpacks to look in the `backend/` subdirectory for `requirements.txt` and the Python application
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7. Set **Ports Exposed** to `8000`
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7. Set **Ports Exposed** to `12000`
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8. Set **Start Command** to:
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```txt
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uvicorn app.main:app --host 0.0.0.0 --port 8000
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uvicorn app.main:app --host 0.0.0.0 --port 12000
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```
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9. Click **Create Resource**
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@@ -73,10 +73,10 @@ Add these as **Runtime** environment variables in Coolify:
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Add these as **Runtime** environment variables in Coolify:
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| Variable | Description | Example |
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| ------------------ | ----------------------------------------- | -------------------------------------------------------------- |
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| `FLASK_SECRET_KEY` | Flask session cookie signing key | Generate with `openssl rand -hex 32` |
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| `BACKEND_URL` | Internal URL to reach the backend service | `http://localhost:8000` (or use Coolify's internal networking) |
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| Variable | Description | Example |
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| ------------------ | ----------------------------------------- | --------------------------------------------------------------- |
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| `FLASK_SECRET_KEY` | Flask session cookie signing key | Generate with `openssl rand -hex 32` |
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| `BACKEND_URL` | Internal URL to reach the backend service | `http://localhost:12000` (or use Coolify's internal networking) |
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## Step 3: Configure Reverse Proxy
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@@ -85,7 +85,7 @@ Coolify provides a built-in reverse proxy. Configure routing rules:
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### Backend Proxy Rules
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- **Domain**: `api.ai.allucanget.biz` (or subdomain of your choice)
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- **Port**: `8000`
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- **Port**: `12000`
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- **Path**: `/api/*` → forward to backend
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### Frontend Proxy Rules
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@@ -104,7 +104,7 @@ If you need custom Nginx configuration, create `nginx/coolify.conf`:
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# Backend API proxy
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location /api/ {
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proxy_pass http://backend:8000;
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proxy_pass http://backend:12000;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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@@ -152,7 +152,7 @@ If you want to persist DuckDB data:
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### Frontend can't reach backend
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- Ensure `BACKEND_URL` points to the correct internal URL
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- If both services are on the same Coolify server, use `http://localhost:8000`
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- If both services are on the same Coolify server, use `http://localhost:12000`
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- Check that the backend service is running and healthy
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### CORS errors
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@@ -191,13 +191,3 @@ All required environment variables:
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- [ ] Domain names configured
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- [ ] Health checks passing
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- [ ] Logs reviewed for errors
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## Nixpacks Configuration
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The project includes Nixpacks configuration files for both services:
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- `nixpacks.toml` — Shared configuration (Python version, packages)
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- `backend/nixpacks.toml` — Backend-specific (uvicorn, port 8000)
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- `frontend/nixpacks.toml` — Frontend-specific (gunicorn, port 5000)
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Nixpacks automatically detects Python projects and installs dependencies from `requirements.txt`. No additional configuration is needed for basic deployments.
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@@ -4,6 +4,6 @@ import os
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class Config:
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SECRET_KEY = os.getenv("FLASK_SECRET_KEY", "dev-secret-change-in-production")
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BACKEND_URL = os.getenv("BACKEND_URL", "http://localhost:8000")
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BACKEND_URL = os.getenv("BACKEND_URL", "http://localhost:12000")
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SESSION_COOKIE_HTTPONLY = True
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SESSION_COOKIE_SAMESITE = "Lax"
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+1
-1
@@ -3,7 +3,7 @@
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# Backend API proxy
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upstream backend {
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server 127.0.0.1:8000;
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server 127.0.0.1:12000;
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}
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# Frontend proxy
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