diff --git a/doc/PRODUCTION.md b/doc/PRODUCTION.md
index 636ebfc..e71fa4e 100644
--- a/doc/PRODUCTION.md
+++ b/doc/PRODUCTION.md
@@ -4,18 +4,46 @@
 
 ### 1. Clone the project:
 ```bash
-git clone https://git.erplibre.ca/ERPLibre.git
+git clone http://git.erplibre.ca/ERPLibre.git
+cd ERPLibre
 ```
 
 ### 2. Modify the parameters
 Modify the file env_var.sh for production installation.
 
 ### 3. Execute the script:
+Support Ubuntu 18.04 server
 ```bash
-cd ERPLibre
 ./script/install_dev.sh
 ./script/install_production.sh
 ```
+A service is running by systemd, you can access with the DNS name, found it in env_var.sh
+
+### 4. SSL:
+Generate a ssl certificat
+```bash
+sudo certbot --nginx
+```
+
+## Watch log
+```bash
+sudo systemctl -feu [EL_USER]
+```
+
+## Run by address ip
+Comment following line in /[EL_USER]/erplibre/config.conf
+```
+#xmlrpc_interface = 127.0.0.1
+#netrpc_interface = 127.0.0.1
+#proxy_mode = True
+```
+Add your address ip in nginx config at server_name in /etc/nginx/sites-available/[EL_WEBSITE_NAME]
+
+Restart daemon:
+```bash
+sudo systemctl restart nginx
+sudo systemctl restart [EL_USER]
+```
 
 ## Production execution
 ```bash