diff --git a/README.md b/README.md
index 363a67e..7c06fdd 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ If you don't have YunoHost, please consult [the guide](https://yunohost.org/#/in
 
 ownCloud Infinite Scale (oCIS) is the new file sync & share platform that will be the foundation of your data management platform.
 
-**Shipped version:** 5.0.0~ynh3
+**Shipped version:** 5.0.0~ynh4
 
 ## Screenshots
 
diff --git a/README_fr.md b/README_fr.md
index 9ac183c..2584604 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -19,7 +19,7 @@ Si vous n’avez pas YunoHost, regardez [ici](https://yunohost.org/#/install) po
 ownCloud Infinite Scale (oCIS) est la nouvelle plateforme de synchronisation et de partage de fichiers qui constituera la base de votre plateforme de gestion de données.
 
 
-**Version incluse :** 5.0.0~ynh3
+**Version incluse :** 5.0.0~ynh4
 
 ## Captures d’écran
 
diff --git a/conf/.env b/conf/.env
index abd7eab..da1aee0 100644
--- a/conf/.env
+++ b/conf/.env
@@ -1,3 +1,5 @@
+TZ=__TIMEZONE__
+
 OCIS_URL=https://__DOMAIN__
 PROXY_HTTP_ADDR=127.0.0.1:__PORT__
 PROXY_TLS=true
@@ -13,12 +15,3 @@ OCIS_BASE_DATA_PATH=__DATA_DIR__
 OCIS_DEFAULT_LANGUAGE=__LANGUAGE__
 
 #OCIS_EXCLUDE_RUN_SERVICES=thumbnails
-
-#AUTH_BASIC_AUTH_MANAGER=ldap
-#OCIS_LDAP_URI=ldap://127.0.0.1:389
-#OCIS_LDAP_USER_BASE_DN='ou=users,dc=yunohost,dc=org'
-#OCIS_LDAP_GROUP_BASE_DN='ou=groups,dc=yunohost,dc=org'
-#OCIS_LDAP_USER_FILTER='(&(|(objectclass=posixAccount))(uid=%uid)(permission=cn=__APP__.main,ou=permission,dc=yunohost,dc=org))'
-#OCIS_LDAP_LOGIN_ATTRIBUTES=uid
-#OCIS_LDAP_USER_SCHEMA_MAIL=mail
-#OCIS_LDAP_GROUP_SCHEMA_DISPLAYNAME=cn
diff --git a/manifest.toml b/manifest.toml
index 2dae0e8..054e141 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -5,7 +5,7 @@ name = "ownCloud"
 description.en = "Online storage, file sharing platform"
 description.fr = "Stockage en ligne, plateforme de partage de fichiers"
 
-version = "5.0.0~ynh3"
+version = "5.0.0~ynh4"
 
 maintainers = ["eric_G"]
 
@@ -26,7 +26,7 @@ ldap = false
 sso = false
 
 disk = "50M"
-ram.build = "300M"
+ram.build = "800M"
 ram.runtime = "50M"
 
 [install]
@@ -41,7 +41,7 @@ ram.runtime = "50M"
     ask.en = "Choose the application language"
     ask.fr = "Choisissez la langue de l'application"
     type = "select"
-    choices = ["de", "fr", "en"]
+    choices = ["cs", "de", "en", "es", "fr", "gl", "it"]
     default = "fr"
 
     [install.password]
@@ -61,15 +61,14 @@ ram.runtime = "50M"
         in_subdir = false
         rename = "ocis"
 
-    [resources.ports]
-    main.default = 9200
-
     [resources.system_user]
 
     [resources.install_dir]
 
     [resources.data_dir]
 
+    [resources.ports]
+
     [resources.permissions]
     main.url = "/"
     main.auth_header = false
diff --git a/scripts/change_url b/scripts/change_url
index f7c2e52..cac663e 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -9,6 +9,8 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
+timezone=$(cat /etc/timezone)
+
 #=================================================
 # STANDARD MODIFICATIONS
 #=================================================
diff --git a/scripts/install b/scripts/install
index 6f325e1..f0a37d2 100755
--- a/scripts/install
+++ b/scripts/install
@@ -9,6 +9,8 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
+timezone=$(cat /etc/timezone)
+
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 6d5a7d5..8733b6b 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -9,6 +9,8 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
+timezone=$(cat /etc/timezone)
+
 #=================================================
 # CHECK VERSION
 #=================================================
@@ -53,6 +55,16 @@ ynh_add_systemd_config
 
 yunohost service add $app --description="File sharing platform" --log="/var/log/$app/$app.log"
 
+#=================================================
+# ADD A CONFIGURATION
+#=================================================
+ynh_script_progression --message="Adding a configuration file..." --weight=1
+
+ynh_add_config --template=".env" --destination="$install_dir/ocis.env"
+
+chmod 400 "$install_dir/ocis.env"
+chown $app:$app "$install_dir/ocis.env"
+
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================