fix: copy node_modules from builder to avoid sharp recompilation

Dockerfile

@@ -24,7 +24,7 @@ RUN npm install -g pnpm@10.4.1 node-gyp
 COPY package.json pnpm-lock.yaml ./
 COPY patches/ ./patches/
 
-# Install dependencies (with node-gyp available)
+# Install ALL dependencies (including devDeps for build)
 RUN pnpm install --frozen-lockfile
 
 # Copy source code
@@ -38,7 +38,7 @@ RUN pnpm build
 # ============================================================
 FROM node:22-alpine AS production
 
-# Install runtime dependencies
+# Install runtime dependencies only (vips for sharp, poppler for PDF)
 RUN apk add --no-cache \
     poppler-utils \
     vips \
@@ -46,23 +46,16 @@ RUN apk add --no-cache \
 
 WORKDIR /app
 
-# Install pnpm
-RUN npm install -g pnpm@10.4.1
-
-# Copy package files
-COPY package.json pnpm-lock.yaml ./
-COPY patches/ ./patches/
-
-# Install production dependencies only (no build tools needed for prod deps)
-RUN apk add --no-cache python3 make g++ gcc libc-dev vips-dev pkgconfig && \
-    npm install -g node-gyp && \
-    pnpm install --frozen-lockfile --prod && \
-    apk del make g++ gcc libc-dev pkgconfig
+# Copy node_modules from builder (already compiled, including sharp native binaries)
+COPY --from=builder /app/node_modules ./node_modules
 
 # Copy built assets from builder
 COPY --from=builder /app/dist ./dist
 COPY --from=builder /app/client/dist ./client/dist
 
+# Copy package.json (needed for module resolution)
+COPY package.json ./
+
 # Copy drizzle migrations
 COPY drizzle/ ./drizzle/
 COPY drizzle.config.ts ./