bbb-export-annotations: update to 3.0.0, drop privileges, reduce docker context

docker-compose.tmpl.yml

@@ -177,7 +177,7 @@ services:
     build:
       context: mod/bbb-export-annotations
       additional_contexts:
-        bigbluebutton: ./repos/bigbluebutton
+        src: ./repos/bigbluebutton/bbb-export-annotations
     image: alangecker/bbb-docker-bbb-export-annotations:{{ .Env.TAG_BBB }}
     restart: unless-stopped
     depends_on:
@@ -193,6 +193,8 @@ services:
         ipv4_address: 10.7.7.19
     volumes:
       - ./data/bigbluebutton:/var/bigbluebutton
+    tmpfs:
+      - /tmp
 
   redis:
     image: redis:7.2-alpine

mod/bbb-export-annotations/Dockerfile

@@ -1,24 +1,23 @@
-FROM node:18-bullseye-slim AS builder
+FROM node:22-bookworm-slim AS builder
 
-COPY --from=bigbluebutton /bbb-export-annotations /bbb-export-annotations
+COPY --from=src / /bbb-export-annotations
 RUN cd /bbb-export-annotations && npm ci && npm install
 
 # --------------------
 
-FROM node:18-bullseye-slim
+FROM node:22-bookworm-slim
+
+RUN groupadd -g 998 bigbluebutton \
+    && useradd -m -u 998 -g bigbluebutton bigbluebutton
 
-#depends on;
-#Depends: nodejs,npm,bbb-apps-akka,bbb-web,cairosvg,ghostscript,imagemagick, nodejs (>= 18), nodejs (<< 20)
-#see repo https://ubuntu.bigbluebutton.org/focal-270/ bigbluebutton-focal main
-#apt info bbb-export-annotations
-#missing dependency: poppler-utils for pdftocairo bin -> covert background / original presentation to png
 RUN apt update && apt install -y \
     nodejs npm cairosvg ghostscript imagemagick nodejs poppler-utils
-#    && useradd --uid 2004 --create-home --user-group bbb-export
 
 COPY --from=builder /bbb-export-annotations /bbb-export-annotations
-#we need acces to volume bigbluebutton!
-USER root
 COPY ./config/settings.json /bbb-export-annotations/config/settings.json
-COPY entrypoint.sh /entrypoint.sh
-ENTRYPOINT /entrypoint.sh
+
+USER bigbluebutton
+WORKDIR /bbb-export-annotations
+ENV NODE_ENV=production
+
+ENTRYPOINT npm start

mod/bbb-export-annotations/config/settings.json

@@ -4,23 +4,16 @@
       "msgName": "PresAnnStatusMsg"
     },
     "shared": {
-      "presDir": "/var/bigbluebutton",
       "presAnnDropboxDir": "/tmp/pres-ann-dropbox",
       "cairosvg": "/usr/bin/cairosvg",
-      "ghostscript": "/usr/bin/gs",
-      "imagemagick": "/usr/bin/convert",
-      "pdftocairo": "/usr/bin/pdftocairo"
-    },
-    "collector": {
-      "pngWidthRasterizedSlides": 2560
+      "ghostscript": "/usr/bin/gs"
     },
     "process": {
-      "whiteboardTextEncoding": "utf-8",
       "maxImageWidth": 1440,
       "maxImageHeight": 1080,
-      "textScaleFactor": 2,
       "pointsPerInch": 72,
-      "pixelsPerInch": 96
+      "pixelsPerInch": 96,
+      "cairoSVGUnsafeFlag": false
     },
     "notifier": {
       "pod_id": "DEFAULT_PRESENTATION_POD",
@@ -37,5 +30,11 @@
         "queue": "exportJobs",
         "publish": "to-akka-apps-redis-channel"
       }
-    }
-}
+    },
+    "fonts": {
+      "draw": "/usr/local/share/fonts/CaveatBrush-Regular-2015-09-23.ttf",
+      "sans": "/usr/local/share/fonts/CrimsonPro[wght]-1.003.ttf",
+      "serif": "/usr/local/share/fonts/SourceSansPro-Regular-2.045.ttf",
+      "mono": "/usr/local/share/fonts/SourceCodePro-Regular-2.038.ttf"
+  }
+}

mod/bbb-export-annotations/entrypoint.sh

@@ -1,6 +0,0 @@
-#!/bin/sh
-set -e
-
-cd /bbb-export-annotations
-export NODE_ENV=production
-npm start