another try

Jenkinsfile

@@ -9,9 +9,10 @@ pipeline {
       steps {
         sh ''' #!/usr/local/bin/bash
           rbenv local 3.2.2
-          echo "# frozen_string_literal: true\n" > env.rb
-          echo "ENV['APP_SESSION_SECRET'] ||= '$(ruby -rsecurerandom -e 'puts SecureRandom.base64(64)')'" >> .env.rb
+          echo "# frozen_string_literal: true\n" > .env.rb
+          echo "ENV['APP_SESSION_SECRET'] ||= $(ruby -rsecurerandom -e 'puts SecureRandom.base64(64)')" >> .env.rb
           echo "ENV['DB_NAME'] ||= '${DB_NAME}'" >> .env.rb
+          cat .env.rb
         '''
       }
     }
@@ -53,9 +54,6 @@ pipeline {
     }
     stage('Build production deliverable') {
       steps {
-        when {
-          expression { buildResult != 'FAILURE' }
-        }
         catchError(buildResult: 'FAILURE', stageResult: 'FAILURE') {
           sh ''' #!/usr/local/bin/bash
             ZIP_FILE="url-shortener_${BRANCH_NAME}_$(date "+%Y-%m-%d_%H-%M-%S").tgz"