upatde: add docker for coolify

.env.example

@@ -1,4 +1,7 @@
 UPLOAD_SECRET_KEY=your-secret-key-here
 GITHUB_TOKEN=ghp_your-github-personal-access-token
-GIT_BRANCH=ta-branch
+GIT_BRANCH=main
 GIT_REPO_URL=https://github.com/your-org/your-repo.git
+
+# Optional: path to Blender binary (defaults to "blender" in PATH)
+# BLENDER_PATH=/usr/bin/blender

Dockerfile

@@ -0,0 +1,64 @@
+# =============================================================================
+# Asset Bridge 3D — Dockerfile for Coolify
+# Node 20 Debian · Blender (headless) · Multi-stage build
+# =============================================================================
+
+# --- Stage 1: Dependencies ---------------------------------------------------
+FROM node:20-slim AS deps
+
+WORKDIR /app
+
+COPY package.json package-lock.json* ./
+RUN npm ci --ignore-scripts
+
+# --- Stage 2: Build ----------------------------------------------------------
+FROM node:20-slim AS builder
+
+WORKDIR /app
+
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+ENV NEXT_TELEMETRY_DISABLED=1
+ENV NODE_ENV=production
+
+RUN npm run build
+
+# --- Stage 3: Production -----------------------------------------------------
+FROM node:20-slim AS runner
+
+LABEL maintainer="Asset Bridge 3D"
+LABEL description="Secure 3D asset upload interface with Draco compression and GitHub push"
+
+# Install Blender (headless) + tini
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    blender \
+    tini \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+ENV PORT=3000
+ENV HOSTNAME=0.0.0.0
+
+# Copy build artifacts
+COPY --from=builder /app/.next/standalone ./
+COPY --from=builder /app/.next/static ./.next/static
+COPY --from=builder /app/public ./public
+
+# Copy the Blender compression script
+COPY --from=builder /app/scripts ./scripts
+
+# Ensure tmp dir for uploads exists
+RUN mkdir -p /tmp/assets
+
+# Copy entrypoint
+COPY docker-entrypoint.sh /docker-entrypoint.sh
+RUN chmod +x /docker-entrypoint.sh
+
+EXPOSE 3000
+
+ENTRYPOINT ["/usr/bin/tini", "--", "/docker-entrypoint.sh"]
+CMD ["node", "server.js"]

README.md

@@ -1,6 +1,6 @@
 # upload-GLTF
 
-A secure web interface for uploading 3D assets (GLTF/GLB + textures) and automatically pushing them to a GitHub repository via the GitHub API. Built for La Fabrik Durable.
+A secure web interface for uploading 3D assets (GLTF/GLB + textures) with automatic Draco compression and GitHub push. Built for La Fabrik Durable.
 
 ## Stack
 
@@ -8,7 +8,8 @@ A secure web interface for uploading 3D assets (GLTF/GLB + textures) and automat
 - **Three.js** (@react-three/fiber + @react-three/drei) for 3D preview
 - **Tailwind CSS** for styling
 - **Octokit** for pushing via the GitHub API
-- **Vercel** for hosting
+- **Blender** (headless) for Draco mesh compression
+- **Coolify** (Docker) for hosting
 
 ## Installation
 
@@ -35,6 +36,7 @@ GIT_REPO_URL=https://github.com/your-org/your-repo.git
 | `GITHUB_TOKEN` | GitHub Personal Access Token (scope `repo`) | Yes |
 | `GIT_BRANCH` | Target branch (default: main) | No |
 | `GIT_REPO_URL` | Target GitHub repository URL | Yes |
+| `BLENDER_PATH` | Path to Blender binary (default: `blender`) | No |
 
 > To create a token: GitHub > Settings > Developer settings > Personal access tokens > Generate new token (classic) with the `repo` scope.
 
@@ -48,9 +50,20 @@ npm run dev
 
 Access the app at `http://localhost:3000`
 
-### Production (Vercel)
+> **Note:** Draco compression requires Blender installed locally. If Blender is not available, models are pushed to GitHub without compression.
 
-Deploy to Vercel and configure environment variables in the dashboard.
+### Production (Coolify / Docker)
+
+```bash
+docker build -t upload-gltf .
+docker run -p 3000:3000 \
+  -e UPLOAD_SECRET_KEY=your-key \
+  -e GITHUB_TOKEN=ghp_xxx \
+  -e GIT_REPO_URL=https://github.com/org/repo.git \
+  upload-gltf
+```
+
+The Dockerfile includes Blender headless for automatic Draco compression.
 
 ## How it works
 
@@ -60,13 +73,15 @@ Deploy to Vercel and configure environment variables in the dashboard.
    - Textures: `roughness`, `normal`, `metalness`, `color`, `displace` (`.png/.jpg/.webp`, optional)
 3. The model is displayed in a 3D preview
 4. On clicking "Upload & Push to GitHub", each file is sent to the `/api/upload` endpoint
-5. The API validates the file and pushes it directly to the GitHub repo via the API (no git CLI needed)
+5. For models: the file is written to `/tmp`, compressed with Blender Draco, then the compressed version is pushed to GitHub
+6. For textures: pushed directly to GitHub without compression
+7. If Blender is unavailable, the original model is pushed as-is (graceful fallback)
 
 ## Project Structure
 
 ```
 app/
-├── api/upload/route.ts    # API: validation + GitHub push via Octokit
+├── api/upload/route.ts    # API: validation + Draco compression + GitHub push
 ├── globals.css            # Tailwind + Google Fonts
 ├── layout.tsx             # Root layout
 └── page.tsx               # Home page
@@ -74,6 +89,8 @@ components/
 ├── UploadZone.tsx         # UI: key input, folder picker, validation, upload
 ├── ModelViewer.tsx         # Lazy wrapper for the 3D viewer
 └── SceneViewer.tsx         # Three.js Canvas
+scripts/
+└── compress.py            # Blender Draco compression script
 ```
 
 ## Supported Formats

app/api/upload/route.ts

@@ -1,6 +1,12 @@
 import { NextRequest, NextResponse } from 'next/server'
 import { Octokit } from '@octokit/rest'
-import { extname, basename } from 'path'
+import { extname, basename, join } from 'path'
+import { mkdir, writeFile, readFile, unlink, rm } from 'fs/promises'
+import { existsSync } from 'fs'
+import { execFile } from 'child_process'
+import { promisify } from 'util'
+
+const execFileAsync = promisify(execFile)
 
 export const runtime = 'nodejs'
 export const dynamic = 'force-dynamic'
@@ -9,6 +15,8 @@ const MODEL_EXTENSIONS = new Set(['.glb', '.gltf'])
 const TEXTURE_EXTENSIONS = new Set(['.png', '.jpg', '.jpeg', '.webp'])
 const ALL_ALLOWED_EXTENSIONS = new Set([...MODEL_EXTENSIONS, ...TEXTURE_EXTENSIONS])
 
+const TMP_DIR = join('/tmp', 'assets')
+
 function sanitizeFilename(name: string): string {
   return basename(name)
     .replace(/[^a-zA-Z0-9._-]/g, '_')
@@ -18,15 +26,14 @@ function sanitizeFilename(name: string): string {
 
 function getOctokit(): Octokit {
   const token = process.env.GITHUB_TOKEN
-  if (!token) throw new Error('GITHUB_TOKEN non configuré')
+  if (!token) throw new Error('GITHUB_TOKEN non configure')
   return new Octokit({ auth: token })
 }
 
 function parseRepoUrl(): { owner: string; repo: string } {
   const url = process.env.GIT_REPO_URL
-  if (!url) throw new Error('GIT_REPO_URL non configuré')
+  if (!url) throw new Error('GIT_REPO_URL non configure')
 
-  // Support formats: https://github.com/owner/repo.git, owner/repo, git@github.com:owner/repo.git
   const httpsMatch = url.match(/github\.com\/([^/]+)\/([^/.]+)/)
   const sshMatch = url.match(/github\.com:([^/]+)\/([^/.]+)/)
   const shortMatch = url.match(/^([^/]+)\/([^/]+)$/)
@@ -37,6 +44,48 @@ function parseRepoUrl(): { owner: string; repo: string } {
   return { owner: match[1], repo: match[2] }
 }
 
+// ---------------------------------------------------------------------------
+// Blender Draco compression
+// ---------------------------------------------------------------------------
+
+async function compressWithBlender(
+  inputPath: string,
+  outputPath: string
+): Promise<{ success: boolean; error?: string }> {
+  const blenderPath = process.env.BLENDER_PATH || 'blender'
+  const scriptPath = join(process.cwd(), 'scripts', 'compress.py')
+
+  if (!existsSync(scriptPath)) {
+    return { success: false, error: 'scripts/compress.py introuvable' }
+  }
+
+  try {
+    await execFileAsync(blenderPath, [
+      '--background',
+      '--python', scriptPath,
+      '--',
+      '-i', inputPath,
+      '-o', outputPath,
+      '--draco-level', '7',
+      '--texture-size', '512',
+      '-q',
+    ], { timeout: 120_000 })
+
+    if (!existsSync(outputPath)) {
+      return { success: false, error: 'Blender n\'a pas produit de fichier compresse' }
+    }
+
+    return { success: true }
+  } catch (err) {
+    const message = err instanceof Error ? err.message : String(err)
+    return { success: false, error: `Compression Blender echouee: ${message}` }
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Parse uploaded file from FormData
+// ---------------------------------------------------------------------------
+
 async function parseUpload(req: NextRequest) {
   const formData = await req.formData()
   const file = formData.get('file') as File | null
@@ -45,14 +94,14 @@ async function parseUpload(req: NextRequest) {
   const textureName = formData.get('textureName') as string | null
 
   if (!file || file.size === 0) {
-    throw new Error('Aucun fichier reçu')
+    throw new Error('Aucun fichier recu')
   }
 
   const originalSafe = sanitizeFilename(file.name)
   const ext = extname(originalSafe).toLowerCase()
 
   if (!ALL_ALLOWED_EXTENSIONS.has(ext)) {
-    throw new Error(`Extension non autorisée: "${ext}"`)
+    throw new Error(`Extension non autorisee: "${ext}"`)
   }
 
   const safeFolderName = sanitizeFilename(folderName).replace(/[^a-zA-Z0-9-_]/g, '-')
@@ -64,23 +113,26 @@ async function parseUpload(req: NextRequest) {
     filename = originalSafe
   }
 
+  const isModel = MODEL_EXTENSIONS.has(ext)
   const buffer = Buffer.from(await file.arrayBuffer())
-  const content = buffer.toString('base64')
-  const path = `public/assets/${safeFolderName}/${filename}`
 
-  return { filename, content, path, folderName: safeFolderName }
+  return { filename, buffer, safeFolderName, isModel }
 }
 
-async function pushToGitHub(
+// ---------------------------------------------------------------------------
+// Push a single file to GitHub via the API
+// ---------------------------------------------------------------------------
+
+async function pushFileToGitHub(
   filePath: string,
-  content: string,
+  contentBase64: string,
   folderName: string
 ): Promise<{ commitUrl: string }> {
   const octokit = getOctokit()
   const { owner, repo } = parseRepoUrl()
   const branch = process.env.GIT_BRANCH ?? 'main'
 
-  // 1. Get the current commit SHA on the branch
+  // 1. Get latest commit on branch
   const { data: ref } = await octokit.git.getRef({
     owner,
     repo,
@@ -88,22 +140,22 @@ async function pushToGitHub(
   })
   const latestCommitSha = ref.object.sha
 
-  // 2. Get the tree of the latest commit
+  // 2. Get that commit's tree
   const { data: commit } = await octokit.git.getCommit({
     owner,
     repo,
     commit_sha: latestCommitSha,
   })
 
-  // 3. Create a blob for the file
+  // 3. Create blob
   const { data: blob } = await octokit.git.createBlob({
     owner,
     repo,
-    content,
+    content: contentBase64,
     encoding: 'base64',
   })
 
-  // 4. Create a new tree with the file added
+  // 4. Create tree
   const { data: newTree } = await octokit.git.createTree({
     owner,
     repo,
@@ -118,7 +170,7 @@ async function pushToGitHub(
     ],
   })
 
-  // 5. Create a new commit
+  // 5. Create commit
   const timestamp = new Date().toISOString()
   const { data: newCommit } = await octokit.git.createCommit({
     owner,
@@ -128,7 +180,7 @@ async function pushToGitHub(
     parents: [latestCommitSha],
   })
 
-  // 6. Update the branch reference
+  // 6. Update branch ref
   await octokit.git.updateRef({
     owner,
     repo,
@@ -139,49 +191,96 @@ async function pushToGitHub(
   return { commitUrl: newCommit.html_url }
 }
 
+// ---------------------------------------------------------------------------
+// POST handler
+// ---------------------------------------------------------------------------
+
 export async function POST(req: NextRequest) {
+  // --- Auth ---
   const secret = req.headers.get('x-upload-secret')
   const expectedSecret = process.env.UPLOAD_SECRET_KEY
 
   if (!expectedSecret) {
     return NextResponse.json(
-      { success: false, error: 'Configuration serveur incomplète (UPLOAD_SECRET_KEY manquant)' },
+      { success: false, error: 'Configuration serveur incomplete (UPLOAD_SECRET_KEY manquant)' },
       { status: 500 }
     )
   }
 
   if (!secret || secret !== expectedSecret) {
     return NextResponse.json(
-      { success: false, error: "Clé d'authentification invalide" },
+      { success: false, error: "Cle d'authentification invalide" },
       { status: 401 }
     )
   }
 
+  // --- Parse upload ---
   let filename: string
-  let content: string
-  let path: string
-  let folderName: string
+  let buffer: Buffer
+  let safeFolderName: string
+  let isModel: boolean
 
   try {
-    ;({ filename, content, path, folderName } = await parseUpload(req))
+    ;({ filename, buffer, safeFolderName, isModel } = await parseUpload(req))
   } catch (err) {
     const message = err instanceof Error ? err.message : 'Erreur inconnue'
     return NextResponse.json({ success: false, error: message }, { status: 400 })
   }
 
+  // --- Write to /tmp ---
+  const tmpFolder = join(TMP_DIR, safeFolderName)
+  await mkdir(tmpFolder, { recursive: true })
+  const tmpFilePath = join(tmpFolder, filename)
+  await writeFile(tmpFilePath, buffer)
+
+  let contentToUpload: Buffer = buffer
+  let compressed = false
+  let compressionError: string | undefined
+
+  // --- Compress model with Blender (if available) ---
+  if (isModel) {
+    const stem = filename.replace(/\.[^.]+$/, '')
+    const compressedPath = join(tmpFolder, `${stem}_compressed.glb`)
+
+    const result = await compressWithBlender(tmpFilePath, compressedPath)
+
+    if (result.success && existsSync(compressedPath)) {
+      contentToUpload = await readFile(compressedPath)
+      compressed = true
+      // Clean up compressed temp file
+      await unlink(compressedPath).catch(() => {})
+    } else {
+      // Blender not available or failed — push original
+      compressionError = result.error
+    }
+  }
+
+  // Clean up original temp file
+  await unlink(tmpFilePath).catch(() => {})
+  // Clean up folder if empty
+  await rm(tmpFolder, { recursive: true, force: true }).catch(() => {})
+
+  // --- Push to GitHub ---
+  const gitPath = `public/assets/${safeFolderName}/${filename}`
+  const contentBase64 = contentToUpload.toString('base64')
+
   try {
-    const { commitUrl } = await pushToGitHub(path, content, folderName)
+    const { commitUrl } = await pushFileToGitHub(gitPath, contentBase64, safeFolderName)
 
     return NextResponse.json({
       success: true,
       filename,
-      message: `"${filename}" ajouté au dossier "${folderName}" et poussé sur GitHub.`,
+      compressed,
+      compressionError: compressionError || undefined,
+      message: compressed
+        ? `"${filename}" compresse avec Draco et pousse sur GitHub.`
+        : `"${filename}" pousse sur GitHub${compressionError ? ' (sans compression: ' + compressionError + ')' : ''}.`,
       commitUrl,
     })
   } catch (err) {
     const message = err instanceof Error ? err.message : 'Erreur GitHub inconnue'
     return NextResponse.json(
-      { success: false, error: `Push GitHub échoué: ${message}` },
+      { success: false, error: `Push GitHub echoue: ${message}` },
       { status: 500 }
     )
   }

docker-entrypoint.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+set -e
+
+echo "[entrypoint] Starting Asset Bridge 3D..."
+
+# Ensure tmp directory for uploads exists
+mkdir -p /tmp/assets
+
+echo "[entrypoint] Ready. Launching application..."
+
+exec "$@"

next.config.ts

@@ -1,5 +1,7 @@
 import type { NextConfig } from 'next'
 
-const nextConfig: NextConfig = {}
+const nextConfig: NextConfig = {
+  output: 'standalone',
+}
 
 export default nextConfig

scripts/compress.py

@@ -0,0 +1,422 @@
+#!/usr/bin/env python3
+"""
+Blender Draco Compression Script
+CLI tool to compress 3D meshes with Draco compression using Blender
+
+Usage:
+    blender --background --python compress.py -- [options]
+
+Options:
+    -i, --input FILE              Input file (required in advanced mode)
+    -o, --output FILE             Output file (default: input_compressed.glb)
+    --draco-level LEVEL           Draco compression level 0-10 (default: 7)
+    --resize-textures / --no-resize    Enable/disable texture resizing (default: enabled)
+    --texture-size SIZE           Max texture size in pixels (default: 512)
+    --batch                       Batch mode: input is a directory
+    --output-dir DIR              Output directory for batch mode
+    --format FORMAT               Output format: glb or gltf (default: glb)
+    -q, --quiet                   Quiet mode (less output)
+    -h, --help                    Show this help message
+
+Examples:
+    # Simple mode (all defaults)
+    blender --background --python compress.py -- input.glb
+
+    # Advanced mode
+    blender --background --python compress.py -- -i input.glb -o output.glb --draco-level 10
+
+    # Batch mode
+    blender --background --python compress.py -- --batch ./models/ --output-dir ./compressed/
+"""
+
+import os
+import sys
+import io
+import argparse
+from contextlib import redirect_stdout
+from pathlib import Path
+
+import bpy
+try:
+    import bpy_types
+except ImportError:
+    bpy_types = None
+
+
+SUPPORTED_IMPORT_FORMATS = {
+    '.glb': 'gltf',
+    '.gltf': 'gltf',
+    '.obj': 'obj',
+    '.ply': 'ply',
+    '.stl': 'stl',
+    '.x3d': 'x3d',
+    '.wrl': 'x3d',
+    '.3ds': '3ds',
+    '.fbx': 'fbx',
+    '.dae': 'dae',
+}
+
+SUPPORTED_OUTPUT_FORMATS = ['glb', 'gltf']
+
+
+def file_name(filepath):
+    return os.path.split(filepath)[1]
+
+
+def file_suffix(filepath):
+    return os.path.splitext(file_name(filepath))[1].lower()
+
+
+def dir_path(filepath):
+    return os.path.split(filepath)[0]
+
+
+def get_import_operator(suffix):
+    operators = {
+        'gltf': bpy.ops.import_scene.gltf,
+        'obj': bpy.ops.import_scene.obj,
+        'ply': bpy.ops.import_mesh.ply,
+        'stl': bpy.ops.import_mesh.stl,
+        'x3d': bpy.ops.import_scene.x3d,
+        '3ds': bpy.ops.import_scene.fbx,
+        'fbx': bpy.ops.import_scene.fbx,
+        'dae': bpy.ops.import_scene.dae,
+    }
+    return operators.get(suffix)
+
+
+def get_output_extension(format_type):
+    return '.glb' if format_type == 'glb' else '.gltf'
+
+
+def import_mesh(filepath):
+    suffix = file_suffix(filepath)
+    if suffix not in SUPPORTED_IMPORT_FORMATS:
+        raise ValueError(f"Unsupported input format: {suffix}")
+
+    format_type = SUPPORTED_IMPORT_FORMATS[suffix]
+    import_op = get_import_operator(format_type)
+
+    if import_op is None:
+        raise ValueError(f"Cannot import {suffix} format")
+
+    stdout_buffer = io.StringIO()
+    with redirect_stdout(stdout_buffer):
+        import_op(filepath=str(filepath))
+
+    output = stdout_buffer.getvalue()
+    return output
+
+
+def clear_scene():
+    bpy.ops.object.select_all(action='SELECT')
+    bpy.ops.object.delete()
+    return len(bpy.data.objects) == 0
+
+
+def resize_textures(target_size):
+    resized_count = 0
+
+    for image in bpy.data.images:
+        if image.size[0] > target_size or image.size[1] > target_size:
+            old_width = image.size[0]
+            old_height = image.size[1]
+
+            scale = min(target_size / old_width, target_size / old_height)
+            new_width = int(old_width * scale)
+            new_height = int(old_height * scale)
+
+            image.scale(new_width, new_height)
+            resized_count += 1
+            print(f"  Resized '{image.name}': {old_width}x{old_height} -> {new_width}x{new_height}")
+
+    return resized_count
+
+
+def export_mesh(filepath, draco_level=7, format_type='glb'):
+    export_kwargs = {
+        'filepath': str(filepath),
+        'export_draco_mesh_compression_enable': True,
+        'export_draco_mesh_compression_level': draco_level,
+        'export_format': 'GLB' if format_type == 'glb' else 'GLTF_SEPARATE',
+    }
+
+    stdout_buffer = io.StringIO()
+    with redirect_stdout(stdout_buffer):
+        bpy.ops.export_scene.gltf(**export_kwargs)
+
+    return stdout_buffer.getvalue()
+
+
+def get_default_output(input_path, format_type='glb'):
+    input_file = Path(input_path)
+    suffix = get_output_extension(format_type)
+    return str(input_file.parent / f"{input_file.stem}_compressed{suffix}")
+
+
+def process_file(input_path, output_path=None, draco_level=7,
+                 resize_textures_flag=True, texture_size=512,
+                 format_type='glb', quiet=False):
+    if not quiet:
+        print(f"\n{'='*50}")
+        print(f"Processing: {input_path}")
+
+    if not os.path.exists(input_path):
+        raise FileNotFoundError(f"Input file not found: {input_path}")
+
+    if not quiet:
+        original_size = os.path.getsize(input_path)
+        print(f"Original size: {original_size / 1024:.2f} KB")
+
+    if not clear_scene():
+        raise RuntimeError("Failed to clear Blender scene")
+
+    if not quiet:
+        print("Importing mesh...")
+
+    import_output = import_mesh(input_path)
+
+    if len(bpy.data.objects) == 0:
+        raise RuntimeError(f"No objects imported from {input_path}")
+
+    if not quiet:
+        mesh_count = sum(1 for obj in bpy.data.objects if isinstance(obj.data, bpy.types.Mesh))
+        print(f"Imported {mesh_count} mesh(es)")
+
+    if resize_textures_flag:
+        if not quiet:
+            print(f"Resizing textures (max: {texture_size}px)...")
+        resized = resize_textures(texture_size)
+        if not quiet and resized > 0:
+            print(f"Resized {resized} texture(s)")
+
+    if output_path is None:
+        output_path = get_default_output(input_path, format_type)
+
+    os.makedirs(os.path.dirname(output_path) or '.', exist_ok=True)
+
+    if not quiet:
+        print(f"Exporting with Draco compression (level={draco_level})...")
+
+    export_output = export_mesh(output_path, draco_level, format_type)
+
+    if not os.path.exists(output_path):
+        raise RuntimeError(f"Export failed: {output_path} not created")
+
+    final_size = os.path.getsize(output_path)
+
+    if not quiet:
+        original_size = os.path.getsize(input_path) if os.path.exists(input_path) else 0
+        reduction = ((original_size - final_size) / original_size * 100) if original_size > 0 else 0
+        print(f"\nOutput: {output_path}")
+        print(f"Final size: {final_size / 1024:.2f} KB")
+        if original_size > 0:
+            print(f"Reduction: {reduction:.1f}%")
+        print("Compression complete!")
+
+    return output_path, final_size
+
+
+def process_batch(input_dir, output_dir=None, draco_level=7,
+                  resize_textures_flag=True, texture_size=512,
+                  format_type='glb', quiet=False):
+    if not os.path.exists(input_dir):
+        raise FileNotFoundError(f"Input directory not found: {input_dir}")
+
+    if output_dir:
+        os.makedirs(output_dir, exist_ok=True)
+
+    files_found = []
+    for ext in SUPPORTED_IMPORT_FORMATS.keys():
+        files_found.extend(Path(input_dir).glob(f"*{ext}"))
+        files_found.extend(Path(input_dir).glob(f"*{ext.upper()}"))
+
+    files_found = sorted(set(files_found))
+
+    if not files_found:
+        print(f"No supported files found in {input_dir}")
+        return []
+
+    if not quiet:
+        print(f"\n{'='*50}")
+        print(f"BATCH MODE")
+        print(f"Input directory: {input_dir}")
+        print(f"Files found: {len(files_found)}")
+
+    results = []
+    for i, file_path in enumerate(files_found, 1):
+        if output_dir:
+            input_file = Path(file_path)
+            suffix = get_output_extension(format_type)
+            output_path = os.path.join(output_dir, f"{input_file.stem}_compressed{suffix}")
+        else:
+            output_path = None
+
+        if not quiet:
+            print(f"\n[{i}/{len(files_found)}]")
+
+        try:
+            result_path, _ = process_file(
+                str(file_path),
+                output_path=output_path,
+                draco_level=draco_level,
+                resize_textures_flag=resize_textures_flag,
+                texture_size=texture_size,
+                format_type=format_type,
+                quiet=quiet
+            )
+            results.append((str(file_path), result_path, True, None))
+        except Exception as e:
+            error_msg = str(e)
+            if not quiet:
+                print(f"ERROR: {error_msg}")
+            results.append((str(file_path), None, False, error_msg))
+
+    success_count = sum(1 for _, _, success, _ in results if success)
+    fail_count = len(results) - success_count
+
+    if not quiet:
+        print(f"\n{'='*50}")
+        print(f"BATCH COMPLETE")
+        print(f"Total files: {len(results)}")
+        print(f"Success: {success_count}")
+        print(f"Failed: {fail_count}")
+
+    return results
+
+
+def main():
+    argv = sys.argv
+    if "--" not in argv:
+        argv = []
+    else:
+        argv = argv[argv.index("--") + 1:]
+
+    parser = argparse.ArgumentParser(
+        description='Compress 3D meshes with Draco compression using Blender',
+        formatter_class=argparse.RawDescriptionHelpFormatter,
+        epilog="""
+Examples:
+  # Simple mode (all defaults)
+  blender --background --python compress.py -- input.glb
+
+  # With options
+  blender --background --python compress.py -- -i input.glb -o output.glb --draco-level 10
+
+  # Batch mode
+  blender --background --python compress.py -- --batch ./models/ --output-dir ./compressed/
+        """
+    )
+
+    parser.add_argument(
+        'input',
+        nargs='?',
+        help='Input file or directory (for batch mode)'
+    )
+
+    parser.add_argument(
+        '-i', '--input',
+        dest='input_file',
+        help='Input file (alternative to positional argument)'
+    )
+
+    parser.add_argument(
+        '-o', '--output',
+        dest='output',
+        help='Output file (default: input_compressed.glb)'
+    )
+
+    parser.add_argument(
+        '--draco-level',
+        type=int,
+        default=7,
+        choices=range(0, 11),
+        help='Draco compression level 0-10 (default: 7)'
+    )
+
+    resize_group = parser.add_mutually_exclusive_group()
+    resize_group.add_argument(
+        '--resize-textures',
+        action='store_true',
+        default=True,
+        help='Enable texture resizing (default: enabled)'
+    )
+    resize_group.add_argument(
+        '--no-resize',
+        action='store_false',
+        dest='resize_textures',
+        help='Disable texture resizing'
+    )
+
+    parser.add_argument(
+        '--texture-size',
+        type=int,
+        default=512,
+        help='Max texture size in pixels (default: 512)'
+    )
+
+    parser.add_argument(
+        '--batch',
+        action='store_true',
+        help='Batch mode: process all files in input directory'
+    )
+
+    parser.add_argument(
+        '--output-dir', '-d',
+        dest='output_dir',
+        help='Output directory for batch mode'
+    )
+
+    parser.add_argument(
+        '--format', '-f',
+        choices=SUPPORTED_OUTPUT_FORMATS,
+        default='glb',
+        help='Output format (default: glb)'
+    )
+
+    parser.add_argument(
+        '-q', '--quiet',
+        action='store_true',
+        help='Quiet mode (less output)'
+    )
+
+    args = parser.parse_args(argv)
+
+    input_path = args.input or args.input_file
+
+    if not input_path:
+        parser.print_help()
+        print("\nError: Input file or directory is required")
+        sys.exit(1)
+
+    if args.batch or os.path.isdir(input_path):
+        results = process_batch(
+            input_path,
+            output_dir=args.output_dir,
+            draco_level=args.draco_level,
+            resize_textures_flag=args.resize_textures,
+            texture_size=args.texture_size,
+            format_type=args.format,
+            quiet=args.quiet
+        )
+        failed = [r for r in results if not r[2]]
+        if failed:
+            sys.exit(1)
+    else:
+        try:
+            process_file(
+                input_path,
+                output_path=args.output,
+                draco_level=args.draco_level,
+                resize_textures_flag=args.resize_textures,
+                texture_size=args.texture_size,
+                format_type=args.format,
+                quiet=args.quiet
+            )
+        except Exception as e:
+            print(f"Error: {e}")
+            sys.exit(1)
+
+
+if __name__ == "__main__":
+    main()