diff --git a/scripts/_common.sh b/scripts/_common.sh
new file mode 100644
index 0000000..944a65e
--- /dev/null
+++ b/scripts/_common.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+#=================================================
+# COMMON VARIABLES
+#=================================================
+
+#=================================================
+# PERSONAL HELPERS
+#=================================================
+
+#=================================================
+# EXPERIMENTAL HELPERS
+#=================================================
+
+#=================================================
+# FUTURE OFFICIAL HELPERS
+#=================================================
diff --git a/scripts/backup b/scripts/backup
new file mode 100755
index 0000000..907da7a
--- /dev/null
+++ b/scripts/backup
@@ -0,0 +1,55 @@
+#!/bin/bash
+
+#=================================================
+# GENERIC START
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+# Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
+source ../settings/scripts/_common.sh
+source /usr/share/yunohost/helpers
+
+#=================================================
+# DECLARE DATA AND CONF FILES TO BACKUP
+#=================================================
+ynh_print_info --message="Declaring files to be backed up..."
+
+#=================================================
+# BACKUP THE APP MAIN DIR
+#=================================================
+
+ynh_backup --src_path="$install_dir"
+
+#=================================================
+# BACKUP THE DATA DIR
+#=================================================
+
+ynh_backup --src_path="$data_dir" --is_big
+
+#=================================================
+# BACKUP THE NGINX CONFIGURATION
+#=================================================
+
+ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
+
+#=================================================
+# BACKUP FAIL2BAN CONFIGURATION
+#=================================================
+
+ynh_backup --src_path="/etc/fail2ban/jail.d/$app.conf"
+ynh_backup --src_path="/etc/fail2ban/filter.d/$app.conf"
+
+#=================================================
+# SPECIFIC BACKUP
+#=================================================
+# BACKUP LOGROTATE
+#=================================================
+
+ynh_backup --src_path="/etc/logrotate.d/$app"
+
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_print_info --message="Backup script completed for $app. (YunoHost will then actually copy those files to the archive)."
diff --git a/scripts/change_url b/scripts/change_url
new file mode 100644
index 0000000..16e0f3c
--- /dev/null
+++ b/scripts/change_url
@@ -0,0 +1,25 @@
+#!/bin/bash
+
+#=================================================
+# GENERIC STARTING
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+source _common.sh
+source /usr/share/yunohost/helpers
+
+#=================================================
+# STANDARD MODIFICATIONS
+#=================================================
+# MODIFY URL IN NGINX CONF
+#=================================================
+ynh_script_progression --message="Updating NGINX web server configuration..." --weight=2
+
+ynh_change_url_nginx_config
+
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_script_progression --message="Change of URL completed for $app" --last
diff --git a/scripts/remove b/scripts/remove
new file mode 100755
index 0000000..469ef62
--- /dev/null
+++ b/scripts/remove
@@ -0,0 +1,39 @@
+#!/bin/bash
+
+#=================================================
+# GENERIC START
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+source _common.sh
+source /usr/share/yunohost/helpers
+
+#=================================================
+# STANDARD REMOVE
+#=================================================
+# REMOVE SERVICE INTEGRATION IN YUNOHOST
+#=================================================
+ynh_script_progression --message="Removing system configurations related to $app..." --weight=5
+
+# Remove the service from the list of services known by YunoHost (added from `yunohost service add`)
+if ynh_exec_warn_less yunohost service status $app >/dev/null
+then
+	ynh_script_progression --message="Removing $app service integration..." --weight=2
+	yunohost service remove $app
+fi
+
+# Remove the app-specific logrotate config
+ynh_remove_logrotate
+
+# Remove the dedicated NGINX config
+ynh_remove_nginx_config
+
+# Remove the dedicated Fail2Ban config
+ynh_remove_fail2ban_config
+
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_script_progression --message="Removal of $app completed" --last
diff --git a/scripts/restore b/scripts/restore
new file mode 100755
index 0000000..82e7cca
--- /dev/null
+++ b/scripts/restore
@@ -0,0 +1,106 @@
+#!/bin/bash
+
+#=================================================
+# GENERIC START
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+# Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
+source ../settings/scripts/_common.sh
+source /usr/share/yunohost/helpers
+
+#=================================================
+# STANDARD RESTORATION STEPS
+#=================================================
+# RESTORE THE APP MAIN DIR
+#=================================================
+ynh_script_progression --message="Restoring the app main directory..." --weight=10
+
+ynh_restore_file --origin_path="$install_dir"
+
+#=================================================
+# RESTORE THE DATA DIRECTORY
+#=================================================
+ynh_script_progression --message="Restoring the data directory..." --weight=1
+
+ynh_restore_file --origin_path="$data_dir" --not_mandatory
+
+mkdir -p $data_dir
+
+#=================================================
+# RESTORE FAIL2BAN CONFIGURATION
+#=================================================
+ynh_script_progression --message="Restoring the Fail2Ban configuration..." --weight=2
+
+ynh_restore_file --origin_path="/etc/fail2ban/jail.d/$app.conf"
+ynh_restore_file --origin_path="/etc/fail2ban/filter.d/$app.conf"
+ynh_systemd_action --action=restart --service_name=fail2ban
+
+#=================================================
+# SPECIFIC RESTORATION
+#=================================================
+# RESTORE THE NGINX CONFIGURATION
+#=================================================
+ynh_script_progression --message="Restoring the NGINX web server configuration..." --weight=1
+
+ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
+
+#=================================================
+# REINSTALL COUCHDB
+#=================================================
+ynh_script_progression --message="Reinstalling couchdb..." --weight=40
+
+echo "\
+couchdb couchdb/mode select standalone
+couchdb couchdb/mode seen true
+couchdb couchdb/bindaddress string 127.0.0.1
+couchdb couchdb/bindaddress seen true
+couchdb couchdb/cookie string $password
+couchdb couchdb/adminpass password $password
+couchdb couchdb/adminpass seen true
+couchdb couchdb/adminpass_again password $password
+couchdb couchdb/adminpass_again seen true" | debconf-set-selections
+DEBIAN_FRONTEND=noninteractive # apt-get install -y --force-yes couchdb
+
+ynh_install_extra_app_dependencies \
+    --repo="deb https://apache.jfrog.io/artifactory/couchdb-deb/ $(lsb_release -c -s) main" \
+    --key="https://couchdb.apache.org/repo/keys.asc" \
+    --package="couchdb"
+
+chmod 750 "$install_dir"
+chmod -R o-rwx "$install_dir"
+chown -R $app:$app "$install_dir"
+
+chmod 750 "$data_dir"
+chmod -R o-rwx "$data_dir"
+chown -R $app:www-data "$data_dir"
+
+#=================================================
+# RESTORE THE LOGROTATE CONFIGURATION
+#=================================================
+ynh_script_progression --message="Restoring the logrotate configuration..." --weight=1
+
+ynh_restore_file --origin_path="/etc/logrotate.d/$app"
+
+#=================================================
+# INTEGRATE SERVICE IN YUNOHOST
+#=================================================
+ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
+
+yunohost service add $app --description="Open-source document-oriented NoSQL database" --log="/var/log/$app/$app.log" --needs_exposed_ports "$port"
+
+#=================================================
+# GENERIC FINALIZATION
+#=================================================
+# RELOAD NGINX
+#=================================================
+ynh_script_progression --message="Reloading NGINX web server..." --weight=1
+
+ynh_systemd_action --service_name=nginx --action=reload
+
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_script_progression --message="Restoration completed for $app" --last
diff --git a/scripts/upgrade b/scripts/upgrade
new file mode 100644
index 0000000..4ef7419
--- /dev/null
+++ b/scripts/upgrade
@@ -0,0 +1,90 @@
+#!/bin/bash
+
+#=================================================
+# GENERIC START
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+source _common.sh
+source /usr/share/yunohost/helpers
+
+upgrade_type=$(ynh_check_app_version_changed)
+
+#=================================================
+# NGINX CONFIGURATION
+#=================================================
+ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=2
+
+# Create a dedicated NGINX config
+ynh_add_nginx_config
+
+#=================================================
+# SPECIFIC UPGRADE
+#=================================================
+# UPGRADING COUCHDB
+#=================================================
+
+if [ "$upgrade_type" == "UPGRADE_APP" ]
+then
+	ynh_script_progression --message="Upgrading CouchDB..." --weight=50
+
+	echo "\
+	couchdb couchdb/mode select standalone
+	couchdb couchdb/mode seen true
+	couchdb couchdb/bindaddress string 127.0.0.1
+	couchdb couchdb/bindaddress seen true
+	couchdb couchdb/cookie string $password
+	couchdb couchdb/adminpass password $password
+	couchdb couchdb/adminpass seen true
+	couchdb couchdb/adminpass_again password $password
+	couchdb couchdb/adminpass_again seen true" | debconf-set-selections
+	DEBIAN_FRONTEND=noninteractive # apt-get install -y --force-yes couchdb
+
+	ynh_install_extra_app_dependencies \
+		--repo="deb https://apache.jfrog.io/artifactory/couchdb-deb/ $(lsb_release -c -s) main" \
+		--key="https://couchdb.apache.org/repo/keys.asc" \
+		--package="couchdb"
+fi
+
+#=================================================
+# UPDATE A CONFIG FILE
+#=================================================
+ynh_script_progression --message="Updating a configuration file..." --weight=1
+
+ynh_add_config --template="../conf/couch_ynh.ini" --destination="$install_dir/etc/local.d/couch_ynh.ini"
+
+chmod 750 "$install_dir"
+chmod -R o-rwx "$install_dir"
+chown -R "$app:$app" "$install_dir"
+
+#=================================================
+# GENERIC FINALIZATION
+#=================================================
+# SETUP LOGROTATE
+#=================================================
+ynh_script_progression --message="Upgrading logrotate configuration..." --weight=1
+
+# Use logrotate to manage app-specific logfile(s)
+ynh_use_logrotate --non-append
+
+#=================================================
+# INTEGRATE SERVICE IN YUNOHOST
+#=================================================
+ynh_script_progression --message="Integrating service in YunoHost..." --weight=2
+
+yunohost service add $app --description="Open-source document-oriented NoSQL database" --log="/var/log/$app/$app.log" --needs_exposed_ports "$port"
+
+#=================================================
+# UPGRADE FAIL2BAN
+#=================================================
+ynh_script_progression --message="Reconfiguring Fail2Ban..." --weight=3
+
+# Create a dedicated Fail2Ban config
+ynh_add_fail2ban_config --logpath="/var/log/couchdb/couchdb.log" --failregex="[warning] .*couch_httpd_auth: Authentication failed for user .+ from <HOST>" --max_retry=5
+
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_script_progression --message="Upgrade of $app completed" --last