Run with QTWEBENGINE_DISABLE_SANDBOX=1

.github/workflows/docs-docker.yaml

@@ -0,0 +1,23 @@
+name: Build docs Docker image
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [ '*' ]
+
+jobs:
+  docs-docker:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Build Docker image
+        run: docker build -t clover-docs:latest docs
+
+      - name: Test Docker image
+        run: docker run -t --rm -v `pwd`:/clover clover-docs:latest
+
+      - name: Show results
+        run: |
+          ls -lh _book
+          ls -lh *.pdf

docs/Dockerfile

@@ -0,0 +1,36 @@
+# Build: sudo docker build -t clover-docs:latest .
+
+# Run: docker run -it --rm -v ~/clover:/clover clover-docs:latest
+
+# Save image: sudo docker save clover-docs:latest | gzip > clover-docs.tar.gz
+
+FROM ubuntu:22.04
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && apt-get install -y curl git
+
+RUN curl https://raw.githubusercontent.com/creationix/nvm/master/install.sh | bash
+RUN . $HOME/.nvm/nvm.sh && nvm install 10.15 && nvm use 10.15 && npm --version
+
+RUN echo ttf-mscorefonts-installer msttcorefonts/accepted-mscorefonts-eula select true | debconf-set-selections \
+  && apt-get update \
+  && apt-get install -y calibre msttcorefonts ghostscript
+
+RUN . $HOME/.nvm/nvm.sh && curl https://raw.githubusercontent.com/CopterExpress/clover/master/builder/assets/install_gitbook.sh | bash
+
+# RUN . $HOME/.nvm/nvm.sh && npm install markdownlint-cli@0.28.1 -g && PUPPETEER_SKIP_DOWNLOAD=1 npm install svgexport -g
+RUN . $HOME/.nvm/nvm.sh && npm install markdownlint-cli@0.28.1 -g && npm install svgexport -g --unsafe-perm
+
+RUN . $HOME/.nvm/nvm.sh && node -v && gitbook -V && markdownlint -V
+
+RUN curl https://raw.githubusercontent.com/CopterExpress/clover/master/book.json > book.json
+
+RUN . $HOME/.nvm/nvm.sh && gitbook install
+
+CMD . $HOME/.nvm/nvm.sh && export QTWEBENGINE_DISABLE_SANDBOX=1 && cp -r node_modules /clover && cd /clover && gitbook build \
+  && gitbook pdf ./ _book/clover.pdf && \
+  gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/default -dNOPAUSE -dQUIET -dBATCH -dDetectDuplicateImages -dCompressFonts=true -r150 -sOutputFile=_book/clover_ru_compressed.pdf _book/clover_ru.pdf && \
+  gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/default -dNOPAUSE -dQUIET -dBATCH -dDetectDuplicateImages -dCompressFonts=true -r150 -sOutputFile=_book/clover_en_compressed.pdf _book/clover_en.pdf && \
+  rm _book/clover_ru.pdf && mv _book/clover_ru_compressed.pdf _book/clover_ru.pdf && \
+  rm _book/clover_en.pdf && mv _book/clover_en_compressed.pdf _book/clover_en.pdf