diff --git a/pull_request_template.md b/pull_request_template.md
new file mode 100644
index 0000000..df09865
--- /dev/null
+++ b/pull_request_template.md
@@ -0,0 +1,23 @@
+## 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.
+
+## Validation
+---
+- [ ] **Code review**
+- [ ] **Approval (LGTM)**  
+*Code review and approval have to be from a member of @YunoHost/apps group*
+- **CI succeeded** : 
+[![Build Status](https://ci-apps-hq.yunohost.org/jenkins/job/plume_ynh%20-BRANCH-/badge/icon)](https://ci-apps-hq.yunohost.org/jenkins/job/plume_ynh%20-BRANCH-/)  
+*Please replace '-BRANCH-' in this link by the name of the branch used.*  
+*If the PR is from a forked repository. Please provide public results from package_check.*  
+When the PR is marked as ready to merge, you have to wait for 3 days before really merging it.
diff --git a/scripts/_common.sh b/scripts/_common.sh
index b905339..c5d4d5a 100755
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -1,5 +1,12 @@
 #!/bin/bash
 
+#=================================================
+# COMMON VARIABLES
+#=================================================
+
+# dependencies used by the app
+pkg_dependencies="gettext postgresql postgresql-contrib libpq-dev git curl gcc make openssl libssl-dev pkg-config"
+
 #=================================================
 # PERSONAL HELPERS
 #=================================================
diff --git a/scripts/install b/scripts/install
index 0552f38..eeda0f3 100755
--- a/scripts/install
+++ b/scripts/install
@@ -105,10 +105,11 @@ ynh_print_info "Installing dependencies ..."
 ### Those deb packages will be installed as dependencies of this package.
 ### If you're not using this helper:
 ###		- Remove the section "REMOVE DEPENDENCIES" in the remove script
+###		- Remove the variable "pkg_dependencies" in _common.sh
 ###		- As well as the section "REINSTALL DEPENDENCIES" in the restore script
 ###		- And the section "UPGRADE DEPENDENCIES" in the upgrade script
 
-ynh_install_app_dependencies gettext postgresql postgresql-contrib libpq-dev git curl gcc make openssl libssl-dev pkg-config
+ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
 # CREATE A POSTGRESQL DATABASE
diff --git a/scripts/restore b/scripts/restore
index 4ede30e..002d3a4 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -88,8 +88,7 @@ chown -R "$app":"$app" $final_path
 ynh_print_info "Reinstalling dependencies..."
 
 # Define and install dependencies
-ynh_install_app_dependencies gettext postgresql postgresql-contrib libpq-dev git curl gcc make openssl libssl-dev pkg-config
-
+ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
 # RESTORE THE POSTGRESQL DATABASE
diff --git a/scripts/upgrade b/scripts/upgrade
index e355cd4..5d22a14 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -122,7 +122,7 @@ ynh_add_nginx_config
 #=================================================
 ynh_print_info "Upgrading dependencies..."
 
-ynh_install_app_dependencies gettext postgresql postgresql-contrib libpq-dev git curl gcc make openssl libssl-dev pkg-config
+ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
 # CREATE DEDICATED USER