diff --git a/scripts/install b/scripts/install
index b855aaa..daa62a7 100644
--- a/scripts/install
+++ b/scripts/install
@@ -72,6 +72,14 @@ ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
 # Install Yarn
 ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ stable main" --package="yarn" --key="https://dl.yarnpkg.com/debian/pubkey.gpg"
 
+#=================================================
+# CREATE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Configuring system user..." --weight=2
+
+# Create a system user
+ynh_system_user_create --username=$app --home_dir=$final_path
+
 #=================================================
 # CREATE A POSTGRESQL DATABASE
 #=================================================
@@ -100,14 +108,6 @@ ynh_script_progression --message="Configuring NGINX web server..." --weight=2
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
-#=================================================
-# CREATE DEDICATED USER
-#=================================================
-ynh_script_progression --message="Configuring system user..." --weight=2
-
-# Create a system user
-ynh_system_user_create --username=$app --home_dir=$final_path
-
 #=================================================
 # SPECIFIC SETUP
 #==============================================
@@ -135,25 +135,21 @@ ynh_add_systemd_config
 #=================================================
 ynh_script_progression --message="Modifying a config file..." --weight=1
 
-cp ../conf/config.json.example "$final_path/config.json"
+path=${path_url:1}
 
-# Main config File
-ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="$final_path/config.json"
-ynh_replace_string --match_string="__DOMAIN__" --replace_string="$domain" --target_file="$final_path/config.json"
-ynh_replace_string --match_string="__PATH__" --replace_string="${path_url:1}" --target_file="$final_path/config.json"
-ynh_replace_string --match_string="__DB_NAME__" --replace_string="$db_name" --target_file="$final_path/config.json"
-ynh_replace_string --match_string="__DB_PWD__" --replace_string="$db_pwd" --target_file="$final_path/config.json"
-ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="$final_path/config.json"
+# cp ../conf/config.json.example "$final_path/config.json"
 
-ynh_store_file_checksum --file="$final_path/config.json"
+# # Main config File
+# ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="$final_path/config.json"
+# ynh_replace_string --match_string="__DOMAIN__" --replace_string="$domain" --target_file="$final_path/config.json"
+# ynh_replace_string --match_string="__PATH__" --replace_string="${path_url:1}" --target_file="$final_path/config.json"
+# ynh_replace_string --match_string="__DB_NAME__" --replace_string="$db_name" --target_file="$final_path/config.json"
+# ynh_replace_string --match_string="__DB_PWD__" --replace_string="$db_pwd" --target_file="$final_path/config.json"
+# ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="$final_path/config.json"
 
-# cp ../conf/.sequelizerc.example "$final_path/.sequelizerc"
+# ynh_store_file_checksum --file="$final_path/config.json"
 
-# # DB Config File
-# ynh_replace_string --match_string="__DB_NAME__" --replace_string="$db_name" --target_file="$final_path/.sequelizerc"
-# ynh_replace_string --match_string="__DB_PWD__" --replace_string="$db_pwd" --target_file="$final_path/.sequelizerc"
-
-# ynh_store_file_checksum --file="$final_path/.sequelizerc"
+ynh_add_config --template="../conf/config.json.example" --destination="$final_path/config.json"
 
 ynh_add_config --template="../conf/.sequelizerc.example" --destination="$final_path/.sequelizerc"
 
@@ -165,7 +161,8 @@ ynh_add_config --template="../conf/.sequelizerc.example" --destination="$final_p
 ynh_script_progression --message="Securing files and directories..." --weight=1
 
 # Set permissions to app files
-chown -R $app: $final_path
+chown -R $app:$app $final_path
+chmod 600 $final_path/.sequelizerc
 
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
diff --git a/scripts/restore b/scripts/restore
index 081632a..96f392b 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -52,6 +52,14 @@ ynh_script_progression --message="Restoring the NGINX configuration..." --weight
 
 ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 
+#=================================================
+# RECREATE THE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Recreating the dedicated system user..." --weight=1
+
+# Create the dedicated user (if not existing)
+ynh_system_user_create --username=$app --home_dir=$final_path
+
 #=================================================
 # RESTORE THE APP MAIN DIR
 #=================================================
@@ -59,21 +67,14 @@ ynh_script_progression --message="Restoring HedgeDoc main directory..." --weight
 
 ynh_restore_file --origin_path="$final_path"
 
-#=================================================
-# RECREATE THE DEDICATED USER
-#=================================================
-ynh_script_progression --message="Recreating the dedicated system user..." --weight=1
-
-# Create the dedicated user (if not existing)
-ynh_system_user_create --username=$app
-
 #=================================================
 # RESTORE USER RIGHTS
 #=================================================
 ynh_script_progression --message="Restoring user rights..." --weight=2
 
 # Restore permissions on app files
-chown -R $app: $final_path
+chown -R $app:$app $final_path
+chmod 600 $final_path/.sequelizerc
 
 #=================================================
 # SPECIFIC RESTORATION
diff --git a/scripts/upgrade b/scripts/upgrade
index 21d73d2..81aa8e8 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -66,6 +66,14 @@ ynh_script_progression --message="Stopping a systemd service..." --weight=1
 
 ynh_systemd_action --service_name=$app --action=stop --log_path="systemd"
 
+#=================================================
+# CREATE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1
+
+# Create a dedicated user (if not existing)
+ynh_system_user_create --username=$app --home_dir=$final_path
+
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
@@ -116,14 +124,6 @@ ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
 # Install Yarn
 ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ stable main" --package="yarn" --key="https://dl.yarnpkg.com/debian/pubkey.gpg"
 
-#=================================================
-# CREATE DEDICATED USER
-#=================================================
-ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1
-
-# Create a dedicated user (if not existing)
-ynh_system_user_create --username=$app
-
 #=================================================
 # SPECIFIC UPGRADE
 #==============================================
@@ -139,26 +139,6 @@ then
 	popd || ynh_die
 fi
 
-#=================================================
-# MODIFY A CONFIG FILE
-#=================================================
-ynh_script_progression --message="Modifying a config file..." --weight=2
-
-ynh_backup_if_checksum_is_different --file="$final_path/config.json"
-
-cp ../conf/config.json.example "$final_path/config.json"
-
-# # Main config File
-ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="$final_path/config.json"
-ynh_replace_string --match_string="__DOMAIN__" --replace_string="$domain" --target_file="$final_path/config.json"
-ynh_replace_string --match_string="__PATH__" --replace_string="${path_url:1}" --target_file="$final_path/config.json"
-ynh_replace_string --match_string="__DB_NAME__" --replace_string="$db_name" --target_file="$final_path/config.json"
-ynh_replace_string --match_string="__DB_PWD__" --replace_string="$db_pwd" --target_file="$final_path/config.json"
-ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="$final_path/config.json"
-
-# Recalculate and store the checksum of the file for the next upgrade.
-ynh_store_file_checksum --file="$final_path/config.json"
-
 #=================================================
 # SETUP SYSTEMD
 #=================================================
@@ -178,7 +158,8 @@ ynh_add_systemd_config
 ynh_script_progression --message="Securing files and directories..." --weight=1
 
 # Set permissions on app files
-chown -R $app: $final_path
+chown -R $app:$app $final_path
+chmod 600 $final_path/.sequelizerc
 
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST