Remove HEREDOC from Jenkinsfile

            info('delete the previous configuration files of ESGF docker')

            sh 'rm -fr "${ESGF_CONFIG}" ; mkdir -p "${ESGF_CONFIG}"; mkdir -p "${ESGF_DATA}"'

            // Write $ESGF_CONFIG/environment config file

            sh '''cat > "${ESGF_CONFIG}/environment" <<EOF

            ESGF_HOSTNAME=$(hostname)

            ESGF_DATA=${ESGF_DATA}

            EOF

            '''

            sh 'echo -e "ESGF_HOSTNAME=$(hostname)\nESGF_DATA=${ESGF_DATA}" > "${ESGF_CONFIG}/environment"'

            sh 'cat "${ESGF_CONFIG}/environment"'

            dir(ESGF_DOCKER_REPO_PATH)

            {

              info('generating esgf secrets')