업로드 이미지 WebP 최적화 1차 적용

backend/src/routes/admin.js

@@ -32,6 +32,7 @@ const {
   adminDeleteUser,
 } = require('../db')
 const { requireAdmin } = require('../middleware/auth')
+const { createMemoryUpload, writeOptimizedImage } = require('../lib/image-storage')
 
 const router = express.Router()
 
@@ -53,21 +54,8 @@ function buildItemLabelFromFilename(file) {
   return normalized || 'item'
 }
 
-const upload = multer({
-  storage: multer.diskStorage({
-    destination: (req, file, cb) => cb(null, path.join(__dirname, '..', '..', 'uploads', 'games')),
-    filename: (req, file, cb) => cb(null, buildUploadFilename(file)),
-  }),
-  limits: { fileSize: 6 * 1024 * 1024 },
-})
-
-const avatarUpload = multer({
-  storage: multer.diskStorage({
-    destination: (req, file, cb) => cb(null, path.join(__dirname, '..', '..', 'uploads', 'avatars')),
-    filename: (req, file, cb) => cb(null, buildUploadFilename(file)),
-  }),
-  limits: { fileSize: 3 * 1024 * 1024 },
-})
+const upload = createMemoryUpload(multer, { fileSize: 8 * 1024 * 1024, maxCount: 50 })
+const avatarUpload = createMemoryUpload(multer, { fileSize: 4 * 1024 * 1024 })
 
 router.post('/games', requireAdmin, async (req, res) => {
   const schema = z.object({ id: z.string().min(1), name: z.string().min(1).max(60) })
@@ -97,7 +85,17 @@ router.post('/games/:gameId/thumbnail', requireAdmin, upload.single('thumbnail')
   if (!req.file) return res.status(400).json({ error: 'file_required' })
   const game = await findGameById(req.params.gameId)
   if (!game) return res.status(404).json({ error: 'not_found' })
-  const updated = await updateGameThumbnail(req.params.gameId, `/uploads/games/${req.file.filename}`)
+
+  const optimized = await writeOptimizedImage({
+    file: req.file,
+    directory: 'games',
+    width: 1280,
+    height: 1280,
+    fit: 'inside',
+    quality: 84,
+  })
+
+  const updated = await updateGameThumbnail(req.params.gameId, optimized.src)
   res.json({ game: updated })
 })
 
@@ -113,14 +111,23 @@ router.post('/games/:gameId/images', requireAdmin, upload.array('images', 50), a
   if (normalizedLabels.some((label) => label.length > 60)) return res.status(400).json({ error: 'bad_request' })
 
   const items = await Promise.all(
-    files.map((file, index) =>
-      createGameItem({
+    files.map(async (file, index) => {
+      const optimized = await writeOptimizedImage({
+        file,
+        directory: 'games',
+        width: 512,
+        height: 512,
+        fit: 'inside',
+        quality: 84,
+      })
+
+      return createGameItem({
         id: nanoid(),
         gameId: game.id,
-        src: `/uploads/games/${file.filename}`,
+        src: optimized.src,
         label: normalizedLabels[index] || buildItemLabelFromFilename(file),
       })
-    )
+    })
   )
 
   res.json({ item: items[0], items })
@@ -514,8 +521,18 @@ router.post('/users/:userId/avatar', requireAdmin, avatarUpload.single('avatar')
   const user = await findUserById(req.params.userId)
   if (!user) return res.status(404).json({ error: 'not_found' })
 
+  const optimized = req.file
+    ? await writeOptimizedImage({
+        file: req.file,
+        directory: 'avatars',
+        width: 512,
+        height: 512,
+        fit: 'cover',
+        quality: 82,
+      })
+    : null
   const shouldRemoveAvatar = parsed.data.removeAvatar === '1'
-  const nextAvatarSrc = shouldRemoveAvatar ? '' : req.file ? `/uploads/avatars/${req.file.filename}` : user.avatarSrc || ''
+  const nextAvatarSrc = shouldRemoveAvatar ? '' : optimized?.src || user.avatarSrc || ''
   const updated = await adminUpdateUser({
     id: user.id,
     email: user.email,