add gunicorn restart script

config/deploy.rb

@@ -105,24 +105,26 @@
   end
 end
 
-after 'deploy:publishing', 'gunicorn:restart'
+after 'deploy:publishing', 'nginx:restart'
 
-namespace :gunicorn do
+namespace :nginx do
   desc 'Restart application'
   task :restart do
     on roles(:web) do |h|
-      execute :sudo, 'systemctl restart gunicorn'
+      execute :sudo, 'service nginx restart'
     end
   end
 end
 
-after 'deploy:publishing', 'nginx:restart'
+after 'deploy:publishing', 'gunicorn:restart'
 
-namespace :nginx do
+namespace :gunicorn do
   desc 'Restart application'
   task :restart do
     on roles(:web) do |h|
-      execute :sudo, 'service nginx restart'
+      within "#{release_path}" do
+        execute :sudo, './restart-gunicorn.sh'
+      end
     end
   end
 end

restart-gunicorn.sh

@@ -0,0 +1,14 @@
+# Auteur: Stéphane Oguey
+
+# Trouver les ID des processus Gunicorn
+PIDS=$(pgrep gunicorn)
+
+# Si des processus Gunicorn sont en cours d'ex  cution
+if [ -n "$PIDS" ]; then
+    # Tuer les processus Gunicorn
+    kill -9 $PIDS
+fi
+
+sudo systemctl restart gunicorn
+
+echo "Gunicorn restart done."