fix: DATA_DIR env var pour chemins logos/icons (dev vs Docker)

backend/src/routes/referentiel.js

@@ -10,7 +10,10 @@ import { createZip, readZip } from '../utils/zip.js';
 import { HttpError } from '../middleware/errorHandler.js';
 
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
-const logosDir  = path.resolve(__dirname, '../../data/logos');
+const dataDir   = process.env.DATA_DIR
+  ? path.resolve(process.env.DATA_DIR)
+  : path.resolve(__dirname, '../../../data'); // fallback dev : 3 niveaux au-dessus de routes/
+const logosDir  = path.join(dataDir, 'logos');
 fs.mkdirSync(logosDir, { recursive: true });
 
 // ── Traitement image (réutilisé depuis plateformes.js) ─────────────────────

backend/src/server.js

@@ -51,9 +51,12 @@ app.use(express.json({ limit: '5mb' }));
 app.use(morgan('dev'));
 
 // ── Logos plateformes — servis sans authentification ─────────────────────
-const logosDir = path.resolve(__dirname, '../data/logos');
+const _dataDir  = process.env.DATA_DIR
+  ? path.resolve(process.env.DATA_DIR)
+  : path.resolve(__dirname, '../../data'); // fallback dev : 2 niveaux au-dessus de src/
+const logosDir = path.join(_dataDir, 'logos');
 app.use('/api/logos', express.static(logosDir, { maxAge: '1d', fallthrough: false }));
-const iconsDir2 = path.resolve(__dirname, '../data/icons');
+const iconsDir2 = path.join(_dataDir, 'icons');
 app.use('/api/icons-files', express.static(iconsDir2, { maxAge: '1h', fallthrough: false }));
 
 // Basic rate-limit on auth endpoints