chore: environnement dev local (hot reload backend + frontend)

dev.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+set -e
+
+echo "=== HomeHub Dev ==="
+
+if [ ! -f .env ]; then
+  cp .env.example .env
+  echo "✓ .env créé depuis .env.example"
+fi
+
+docker compose -f docker-compose.yml -f docker-compose.dev.yml up "$@"

docker-compose.dev.yml

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+services:
+  db:
+    ports:
+      - "5432:5432"
+
+  backend:
+    build:
+      context: ./backend
+    volumes:
+      - ./backend:/app
+      - uploads:/uploads
+    environment:
+      DATABASE_URL: postgresql+asyncpg://homehub:homehub@db:5432/homehub
+      UPLOAD_DIR: /uploads
+      CORS_ORIGINS: http://localhost:3000
+    command: uvicorn app.main:app --host 0.0.0.0 --port 8000 --reload
+    ports:
+      - "8000:8000"
+
+  frontend:
+    image: node:20-alpine
+    working_dir: /app
+    volumes:
+      - ./frontend:/app
+      - /app/node_modules
+    environment:
+      VITE_API_URL: http://localhost:8000
+    command: sh -c "npm install && npm run dev -- --host 0.0.0.0"
+    ports:
+      - "3000:5173"
+    depends_on:
+      - backend