Use docker.

.ci/Jenkinsfile

@@ -4,7 +4,7 @@ pipeline {
     stages {
         stage('Build PDFs') {
             steps {
-                sh 'cd examples && (for i in *.tex; do pdflatex $i; pdflatex $i; pdflatex $i;  done)'
+                sh 'docker run -v $PWD/:/authorarchive logicalhacking:debian4isabelle sh -c "cd /authorarchive/examples && (for i in *.tex; do pdflatex \\$i; pdflatex \\$i; pdflatex \\$i;  done)"'
             }
         }
     }