diff --git a/issue_template.md b/.github/ISSUE_TEMPLATE.md
old mode 100644
new mode 100755
similarity index 91%
rename from issue_template.md
rename to .github/ISSUE_TEMPLATE.md
index 05d8968..2729a6b
--- a/issue_template.md
+++ b/.github/ISSUE_TEMPLATE.md
@@ -6,11 +6,11 @@ about: When creating a bug report, please use the following template to provide
 
 **How to post a meaningful bug report**
 1. *Read this whole template first.*
-2. *Make sure you are on the right place:*
+2. *Determine if you are on the right place:*
    - *If you were performing an action on the app from the webadmin or the CLI (install, update, backup, restore, change_url...), you are on the right place!*
    - *Otherwise, the issue may be due to the app itself. Refer to its documentation or repository for help.*
-   - *In doubt, ask here and we will figure it out together.*
-3. *Delete these italic comments as you write over them below, and remove this guide.*
+   - *When in doubt, post here and we will figure it out together.*
+3. *Delete the italic comments as you write over them below, and remove this guide.*
 --- 
 
 ### Describe the bug
@@ -31,7 +31,7 @@ about: When creating a bug report, please use the following template to provide
 
 - *If you performed a command from the CLI, the command itself is enough. For example:*
     ```sh
-    sudo yunohost app install laverna
+    sudo yunohost app install the_app
     ```
 - *If you used the webadmin, please perform the equivalent command from the CLI first.*
 - *If the error occurs in your browser, explain what you did:*
diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100755
index 0000000..ef70e18
--- /dev/null
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,16 @@
+## Problem
+
+- *Description of why you made this PR*
+
+## Solution
+
+- *And how do you fix that problem*
+
+## PR Status
+
+- [ ] Code finished and ready to be reviewed/tested
+- [ ] The fix/enhancement were manually tested (if applicable)
+
+## Automatic tests
+
+Automatic tests can be triggered on https://ci-apps-dev.yunohost.org/ *after creating the PR*, by commenting "!testme", "!gogogadgetoci" or "By the power of systemd, I invoke The Great App CI to test this Pull Request!". (N.B. : for this to work you need to be a member of the Yunohost-Apps organization)
diff --git a/conf/app.src b/conf/app.src
index 91e022b..a40613d 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -3,4 +3,3 @@ SOURCE_SUM=226224a141eeefefcf446e8ba4bda3f9ea7be6e96cd1992b185d44d5ef58e7d3
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=
diff --git a/doc/DESCRIPTION.md b/doc/DESCRIPTION.md
new file mode 100755
index 0000000..0685205
--- /dev/null
+++ b/doc/DESCRIPTION.md
@@ -0,0 +1,9 @@
+Some long and extensive description of what the app is and does, lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
+
+### Features
+
+- Ut enim ad minim veniam, quis nostrud exercitation ullamco ;
+- Laboris nisi ut aliquip ex ea commodo consequat ;
+- Duis aute irure dolor in reprehenderit in voluptate ;
+- Velit esse cillum dolore eu fugiat nulla pariatur ;
+- Excepteur sint occaecat cupidatat non proident, sunt in culpa."
diff --git a/doc/DESCRIPTION_fr.md b/doc/DESCRIPTION_fr.md
new file mode 100755
index 0000000..58ec2e6
--- /dev/null
+++ b/doc/DESCRIPTION_fr.md
@@ -0,0 +1,2 @@
+Laverna est un système anonyme, crypté et sans inscription requise, il est accessible via un navigateur web (sans installation de logiciel).
+Les données sont privées, car stockées par défaut sur votre machine (InnoDB et localstorage), c’est un réglage dans les paramètres qui vous permettra de les synchroniser via le cloud sur vos différents périphériques.
diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
new file mode 100755
index 0000000..aded581
--- /dev/null
+++ b/doc/DISCLAIMER.md
@@ -0,0 +1,12 @@
+* Any known limitations, constrains or stuff not working, such as (but not limited to):
+    * requiring a full dedicated domain ?
+    * architectures not supported ?
+    * not-working single-sign on or LDAP integration ?
+    * the app requires an important amount of RAM / disk / .. to install or to work properly
+    * etc...
+
+* Other infos that people should be aware of, such as:
+    * any specific step to perform after installing (such as manually finishing the install, specific admin credentials, ...)
+    * how to configure / administrate the application if it ain't obvious
+    * upgrade process / specificities / things to be aware of ?
+    * security considerations ?
diff --git a/sources/laverna.png b/doc/screenshots/laverna.png
similarity index 100%
rename from sources/laverna.png
rename to doc/screenshots/laverna.png
diff --git a/manifest.json b/manifest.json
index 129a85d..715eef6 100644
--- a/manifest.json
+++ b/manifest.json
@@ -8,6 +8,13 @@
     },
         "version": "0.7.51~ynh5",
     "url": "https://laverna.cc/index.html",
+    "upstream": {
+        "license": "MPL-2.0",
+        "website": "https://laverna.cc/index.html",
+        "demo": "https://laverna.cc/app/",
+        "admindoc": "https://github.com/Laverna/laverna/wiki",
+        "code": "https://github.com/Laverna/laverna"
+    },
     "license": "MPL-2.0",
     "maintainer": {
         "name": "",
diff --git a/pull_request_template.md b/pull_request_template.md
deleted file mode 100644
index 6c28fc5..0000000
--- a/pull_request_template.md
+++ /dev/null
@@ -1,16 +0,0 @@
-## Problem
-- *Description of why you made this PR*
-
-## Solution
-- *And how do you fix that problem*
-
-## PR Status
-- [ ] Code finished.
-- [ ] Tested with Package_check.
-- [ ] Fix or enhancement tested.
-- [ ] Upgrade from last version tested.
-- [ ] Can be reviewed and tested.
-
-## Package_check results
----
-* An automatic package_check will be launch at https://ci-apps-dev.yunohost.org/, when you add a specific comment to your Pull Request: "!testme", "!gogogadgetoci" or "By the power of systemd, I invoke The Great App CI to test this Pull Request!"*
diff --git a/scripts/change_url b/scripts/change_url
index bab3080..a2cc3a7 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -8,9 +8,6 @@
 
 source /usr/share/yunohost/helpers
 
-# Stop script if errors
-ynh_abort_if_errors
-
 #=================================================
 # RETRIEVE ARGUMENTS
 #=================================================
diff --git a/scripts/install b/scripts/install
index f5c7588..b917edf 100755
--- a/scripts/install
+++ b/scripts/install
@@ -43,6 +43,14 @@ ynh_script_progression --message="Storing installation settings..." --weight=1
 ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
 
+#=================================================
+# CREATE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Configuring system user..." --weight=1
+
+# Create a system user
+ynh_system_user_create --username=$app --home_dir="$final_path"
+
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
@@ -52,6 +60,10 @@ ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 # Download, check integrity, uncompress and patch the source from app.src
 ynh_setup_source --dest_dir="$final_path"
 
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
+
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
@@ -60,13 +72,6 @@ ynh_script_progression --message="Configuring NGINX web server..." --weight=2
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
-#=================================================
-# SECURE FILES AND DIRECTORIES
-#=================================================
-
-# Set permissions to app files
-chown -R root: $final_path
-
 #=================================================
 # SETUP SSOWAT
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index 3d7218c..8517773 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -36,6 +36,16 @@ ynh_script_progression --message="Removing NGINX web server configuration..." --
 # Remove the dedicated NGINX config
 ynh_remove_nginx_config
 
+#=================================================
+# GENERIC FINALIZATION
+#=================================================
+# REMOVE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Removing the dedicated system user..." --weight=1
+
+# Delete a system user
+ynh_system_user_delete --username=$app
+
 #=================================================
 # END OF SCRIPT
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 6527fef..77fa1dd 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -42,6 +42,14 @@ test ! -d $final_path \
 
 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
 #=================================================
@@ -49,20 +57,9 @@ ynh_script_progression --message="Restoring Laverna 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
-#=================================================
-
-# Restore permissions on app files
-chown -R root: $final_path
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
 
 #=================================================
 # GENERIC FINALIZATION
diff --git a/scripts/upgrade b/scripts/upgrade
index d7ebcfa..8b9fc00 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -25,6 +25,20 @@ final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 
 upgrade_type=$(ynh_check_app_version_changed)
 
+#=================================================
+# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
+#=================================================
+ynh_script_progression --message="Backing up Laverna before upgrading..." --weight=3
+
+# Backup the current version of the app
+ynh_backup_before_upgrade
+ynh_clean_setup () {
+	# restore it if the upgrade fails
+	ynh_restore_upgradebackup
+}
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
+
 #=================================================
 # ENSURE DOWNWARD COMPATIBILITY
 #=================================================
@@ -44,18 +58,12 @@ if ynh_legacy_permissions_exists; then
 fi
 
 #=================================================
-# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
+# CREATE DEDICATED USER
 #=================================================
-ynh_script_progression --message="Backing up Laverna before upgrading..." --weight=3
+ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1
 
-# Backup the current version of the app
-ynh_backup_before_upgrade
-ynh_clean_setup () {
-	# restore it if the upgrade fails
-	ynh_restore_upgradebackup
-}
-# Exit if an error occurs during the execution of the script
-ynh_abort_if_errors
+# Create a dedicated user (if not existing)
+ynh_system_user_create --username=$app --home_dir="$final_path"
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
@@ -69,6 +77,10 @@ then
 	ynh_setup_source --dest_dir="$final_path"
 fi
 
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
+
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
@@ -77,13 +89,6 @@ ynh_script_progression --message="Upgrading NGINX web server configuration..." -
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
-#=================================================
-# SECURE FILES AND DIRECTORIES
-#=================================================
-
-# Set permissions on app files
-chown -R root: $final_path
-
 #=================================================
 # RELOAD NGINX
 #=================================================