compress pdf with pdfsizeopt

Author: gboeing

.github/workflows/build_publish.yml

@@ -21,11 +21,9 @@ jobs:
           root_file: cv-gboeing.tex
 
       - name: Compress PDF
-        run: |
-          mv cv-gboeing.pdf temp.pdf
-          gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.7 \
-             -dPDFSETTINGS=/screen -dNOPAUSE -dQUIET -dBATCH \
-             -dPrinted=false -sOutputFile=cv-gboeing.pdf temp.pdf
+        run: >
+          docker run -v "$PWD:/workdir" --rm -it ptspts/pdfsizeopt
+          pdfsizeopt cv-gboeing.pdf cv-gboeing.pdf
 
       - name: Configure AWS credentials
         uses: aws-actions/configure-aws-credentials@v5