Arender HMI configuration not applied

The arender demo instance (arender.cloud.nuxeo.com) is set on 10.10 with HF03 applied. All configuration made on /var/lib/nuxeo/server/nxserver/config/ARenderConfiguration/arender-hmi.properties or /var/lib/nuxeo/server/webapps/ARender/WEB-INF/classes/arender.properties are deleted at startup.  

SSH access: ssh -i "XXXX.pem" ubuntu@ec2-34-255-97-178.eu-west-1.compute.amazonaws.com

nuxeo@ip-172-30-0-154:~/bin$ ./nuxeoctl showconf
Nuxeo home: /var/lib/nuxeo/server
Nuxeo configuration: /var/lib/nuxeo/server/bin/nuxeo.conf
Include template: /var/lib/nuxeo/server/templates/common-base
Include template: /var/lib/nuxeo/server/templates/common
Include template: /var/lib/nuxeo/server/templates/postgresql
Include template: /var/lib/nuxeo/server/templates/arender
Include template: /var/lib/nuxeo/server/templates/arender-embedded
***** Nuxeo instance configuration *****
NUXEO_CONF: /var/lib/nuxeo/server/bin/nuxeo.conf
NUXEO_HOME: /var/lib/nuxeo/server
Instance CLID: 0caf8909-f85f-49d0-a14a-e2b837728d16.1735732800.YxxT4eAq8PCnBiF2QoRpng5zSLAWQQPN/FMYXt8cPe/Mq7CVSMpBSaCOmVCUVP7DDAxOtsZmMh/eHVXW/V+kAcc+QQbn5ql3gQeBeeblruAuh5FZdRlj7BbPs09STjMduiN/FcFM6eZXXWD2+DDOi+v0hMsl+wNTnJO+4nFCFeThFTkngZTTJd8lnZsCWXGAq/FJkBsMJY5G3XDDiCt00Nr5Ajy/C5hNkQgCUTWcIlaAYOjFk7a2IzSgPoXUbNtxuSJ8Vuo8oNOsPTl3Z/AqXPdcKRxGgo54J0I/y0nqzMG44LMGKykfmZL5WyhHZIQ7mIXbfBuyk6aBUzvNqnQbdg==--12dc9515-b5de-434e-8032-baed7ad9075e
** Distribution
- name: server
- server: tomcat
- version: 10.10
- date: 201901220949
- packaging: deb
** Packages:
- nuxeo-dam (version: 6.4.3 - id: nuxeo-dam-6.4.3 - state: started)
- nuxeo-arender-connector (version: 1.0.3-I20190326_1814 - id: nuxeo-arender-connector-1.0.3-I20190326_1814 - state: started)
- nuxeo-10.10-HF03 (version: 1.0.0 - id: nuxeo-10.10-HF03-1.0.0 - state: started)
- nuxeo-web-ui (version: 2.4.0 - id: nuxeo-web-ui-2.4.0 - state: started)
- nuxeo-showcase-content (version: 1.3.3 - id: nuxeo-showcase-content-1.3.3 - state: started)
- nuxeo-arender (version: 1.0.3-I20190326_1814 - id: nuxeo-arender-1.0.3-I20190326_1814 - state: started)
- nuxeo-10.10-HF02 (version: 1.0.0 - id: nuxeo-10.10-HF02-1.0.0 - state: started)
- nuxeo-10.10-HF01 (version: 1.0.0 - id: nuxeo-10.10-HF01-1.0.0 - state: started)
- arender-demo (version: 0.0.0-SNAPSHOT - id: arender-demo-0.0.0-SNAPSHOT - state: downloaded)
** Templates:
Database template: postgresql
Package template: arender
Package template: arender-embedded
** Settings from nuxeo.conf:
JAVA_OPTS=-Xms512m -Xmx1024m -Dfile.encoding=UTF-8 -Dmail.mime.decodeparameters=true -Dnet.sf.ehcache.skipUpdateCheck=true -Djava.util.Arrays.useLegacyMergeSort=true -Dsun.net.http.retryPost=false -Djava.net.preferIPv4Stack=true -Djava.awt.headless=true -Djava.util.logging.config.file=/var/lib/nuxeo/server/conf/logging.properties -Djava.util.logging.config.file=/var/lib/nuxeo/server/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
audit.elasticsearch.enabled=true
elasticsearch.addressList=localhost:9200
elasticsearch.client=RestClient
elasticsearch.httpEnabled=true
jod.office.home=/usr/lib/libreoffice
nuxeo.arender.secret=test2
nuxeo.bind.address=127.0.0.1
nuxeo.data.dir=/var/lib/nuxeo/data
nuxeo.db.host=localhost
nuxeo.db.name=nuxeo
nuxeo.db.password=********
nuxeo.db.port=5433
nuxeo.db.user=nuxeo
nuxeo.force.generation=true
nuxeo.installer.installedpg=true
nuxeo.installer.installeduser=true
nuxeo.installer.lastinstalledversion=10.10-01
nuxeo.installer.useautopg=true
nuxeo.jwt.secret=test
nuxeo.log.dir=/var/log/nuxeo
nuxeo.pid.dir=/var/run/nuxeo
nuxeo.s3storage.bucket=arender-bucket
nuxeo.s3storage.bucket_prefix=binary_store/
nuxeo.s3storage.directdownload=true
nuxeo.s3storage.directdownload.expire=3600
nuxeo.s3storage.region=eu-west-1
nuxeo.s3storage.transient.bucket=arender-bucket
nuxeo.s3storage.transient.bucket_prefix=upload/
nuxeo.s3storage.transient.roleArn=
nuxeo.s3storage.useDirectUpload=false
nuxeo.server.ajp.port=0
nuxeo.server.http.port=8080
nuxeo.server.tomcat_admin.port=53944
nuxeo.templates=postgresql,arender,arender-embedded
nuxeo.url=https://arender.cloud.nuxeo.com/nuxeo
nuxeo.wizard.done=true
nuxeo.wizard.skippedpages=General,DB
org.nuxeo.dev=true
org.nuxeo.runtime.reload_strategy=standby
server.status.key=********
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