update docker file

Dockerfile

@@ -1,6 +1,10 @@
 # Build stage
 FROM node:22-alpine AS builder
 WORKDIR /app
+
+# Install dependencies for fabric.js
+RUN apk add --no-cache python3 make g++ pixman cairo pango jpeg-dev
+
 COPY package.json package-lock.json ./
 RUN npm ci
 COPY . .