build ocr

Dockerfile

@@ -25,6 +25,9 @@ RUN npm run build
 FROM node:20-alpine AS runtime
 WORKDIR /app
 
+# Tesseract OCR — English language data only (add more langs as needed)
+RUN apk add --no-cache tesseract-ocr tesseract-ocr-data-eng
+
 # Install production deps only
 COPY backend/package*.json ./
 RUN npm install --omit=dev