From 667c513de9ba42933ead7d9afec83f17a67da56b Mon Sep 17 00:00:00 2001
From: DEls <davide.els1@outlook.com>
Date: Thu, 17 Sep 2026 13:42:11 +0200
Subject: [PATCH] build: add poppler-utils and pdf-lib for delivery note page
 splitting

---
 Dockerfile        |  8 ++++++++
 package-lock.json | 43 +++++++++++++++++++++++++++++++++++++++++++
 package.json      |  1 +
 3 files changed, 52 insertions(+)

diff --git a/Dockerfile b/Dockerfile
index f37c870..61f3b3f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -35,6 +35,11 @@ RUN npm ci --ignore-scripts --no-audit --no-fund
 # 2. builder
 # ---------------------------------------------------------------------------
 FROM node:20-alpine AS builder
+# poppler-utils provides pdfinfo + pdftoppm, used by
+# src/lib/dn-pipeline/split.ts to rasterise delivery note pages. The
+# MiniMax OpenAI-compatible endpoint does not accept PDF documents, so
+# pages must become images before extraction.
+RUN apk add --no-cache poppler-utils
 WORKDIR /app
 
 # Pull in the prebuilt node_modules from the deps stage.
@@ -57,6 +62,9 @@ RUN npm run build
 # 3. runner
 # ---------------------------------------------------------------------------
 FROM node:20-alpine AS runner
+# Same reason as the builder stage — the running server shells out to
+# pdftoppm on every batch.
+RUN apk add --no-cache poppler-utils
 WORKDIR /app
 
 ENV NODE_ENV=production
diff --git a/package-lock.json b/package-lock.json
index 3c51a5a..c111208 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -29,6 +29,7 @@
         "next": "^16",
         "openai": "^7.8.0",
         "papaparse": "^5.4.1",
+        "pdf-lib": "^1.17.1",
         "pocketbase": "^0.27.3",
         "qrcode": "^1.5.4",
         "react": "^19.0.0",
@@ -3582,6 +3583,24 @@
         "node": ">=14"
       }
     },
+    "node_modules/@pdf-lib/standard-fonts": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@pdf-lib/standard-fonts/-/standard-fonts-1.0.0.tgz",
+      "integrity": "sha512-hU30BK9IUN/su0Mn9VdlVKsWBS6GyhVfqjwl1FjZN4TxP6cCw0jP2w7V3Hf5uX7M0AZJ16vey9yE0ny7Sa59ZA==",
+      "license": "MIT",
+      "dependencies": {
+        "pako": "^1.0.6"
+      }
+    },
+    "node_modules/@pdf-lib/upng": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@pdf-lib/upng/-/upng-1.0.1.tgz",
+      "integrity": "sha512-dQK2FUMQtowVP00mtIksrlZhdFXQZPC+taih1q4CvPZ5vqdxR/LKBaFg0oAfzd1GlHZXXSPdQfzQnt+ViGvEIQ==",
+      "license": "MIT",
+      "dependencies": {
+        "pako": "^1.0.10"
+      }
+    },
     "node_modules/@radix-ui/number": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/@radix-ui/number/-/number-1.1.3.tgz",
@@ -12598,6 +12617,12 @@
         "node": ">=6"
       }
     },
+    "node_modules/pako": {
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.11.tgz",
+      "integrity": "sha512-4hLB8Py4zZce5s4yd9XzopqwVv/yGNhV1Bl8NTmCq1763HeK2+EwVTv+leGeL13Dnh2wfbqowVPXCIO0z4taYw==",
+      "license": "(MIT AND Zlib)"
+    },
     "node_modules/papaparse": {
       "version": "5.5.4",
       "resolved": "https://registry.npmjs.org/papaparse/-/papaparse-5.5.4.tgz",
@@ -12711,6 +12736,24 @@
         "node": ">= 14.16"
       }
     },
+    "node_modules/pdf-lib": {
+      "version": "1.17.1",
+      "resolved": "https://registry.npmjs.org/pdf-lib/-/pdf-lib-1.17.1.tgz",
+      "integrity": "sha512-V/mpyJAoTsN4cnP31vc0wfNA1+p20evqqnap0KLoRUN0Yk/p3wN52DOEsL4oBFcLdb76hlpKPtzJIgo67j/XLw==",
+      "license": "MIT",
+      "dependencies": {
+        "@pdf-lib/standard-fonts": "^1.0.0",
+        "@pdf-lib/upng": "^1.0.1",
+        "pako": "^1.0.11",
+        "tslib": "^1.11.1"
+      }
+    },
+    "node_modules/pdf-lib/node_modules/tslib": {
+      "version": "1.14.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
+      "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==",
+      "license": "0BSD"
+    },
     "node_modules/picocolors": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz",
diff --git a/package.json b/package.json
index 102d86b..6d9158f 100644
--- a/package.json
+++ b/package.json
@@ -36,6 +36,7 @@
     "next": "^16",
     "openai": "^7.8.0",
     "papaparse": "^5.4.1",
+    "pdf-lib": "^1.17.1",
     "pocketbase": "^0.27.3",
     "qrcode": "^1.5.4",
     "react": "^19.0.0",