diff --git a/README.md b/README.md
index c3386aed16a65d76378920b3cdf2924a4e526565..32c3e7f1b3a18f5e52fc2f951273efefbd7d7b3c 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
-# Alpha Project Manager
+# Labo Rust
 
-An Infrastructure as Code manager to deploy lab infrastructure and configure instances. Working with Atrium, Gitlab CI, Terraform, Cloud-init and Scaleway.
+Infrastructure as Code project to deploy lab infrastructure and configure instances. Working with Atrium, Gitlab CI, Terraform, Cloud-init, bash scripts and Scaleway.
 
 ### How does it work ?
 
@@ -30,11 +30,13 @@ After the resources provisionned with Terraform, Cloud-init will configure the i
 After deployment, each resource can be accessed though HTTPS depending on their count number :
 - https://desktop-0.rust-0.daag.alpha.grandlyon.com/
 - https://code-0.rust-0.daag.alpha.grandlyon.com/
+- https://terminal-0.rust-0.daag.alpha.grandlyon.com/
 - https://rust-0.daag.alpha.grandlyon.com/
 
 
 - https://desktop-1.rust-1.daag.alpha.grandlyon.com/
 - https://code-1.rust-1.daag.alpha.grandlyon.com/
+- https://terminal-1.rust-1.daag.alpha.grandlyon.com/
 - https://rust-1.daag.alpha.grandlyon.com/
 
 ### Credentials
@@ -57,7 +59,7 @@ Template are available to the link below.
 In this example, you will find how to create a file to a defined path with cloud-init.
 Content inside `%` are meant to be replaced with sed command to be able to use environment variables or user-data.
 
-**example:**
+**Example:**
 ```yaml
 write_files:
   - content: |
@@ -94,7 +96,7 @@ sed -i "s/%atrium_count_index%/$(scw-userdata atrium_count_index)/g" /root/atriu
 
 The example show how to curl a configuration file from repository to a defined path with cloud-init.
 
-**example :**
+**Example :**
 ```yaml
 runcmd:
 #
@@ -111,11 +113,10 @@ runcmd:
 
 ## Use Gitlab variables in instances
 
-### Example
-
 From my instances, I should be able to access the variables as user-data using the command `scw-userdata <my-variable>` after declaring them in Terraform.
 **Some documentation : https://blog.scaleway.com/introducing-scaleway-cloud-init-support/**
 
+**Example : Declare in Terraform**
 ```HCL
 user_data = {
     atrium_count_index = count.index
@@ -126,6 +127,11 @@ user_data = {
 }
 ```
 
+** Example : Retrieve in instance
+```bash
+scw-userdata atrium_count_index
+```
+
 ## Setup Terraform Locally
 
 First, you must setup 2 local files for your variables :
@@ -164,7 +170,7 @@ Now, you can create a file for your variables information called **variables-loc
 SCW_PROJECT_ID         = ""
 SCW_ACCESS_KEY         = ""
 SCW_SECRET_KEY         = ""
-INSTANCES_COUNT        = "2"
+INSTANCES_COUNT        = ""
 ENVIRONMENT            = ""
 ```
 
diff --git a/instance-scripts/config-files/atrium.yaml b/instance-scripts/config-files/atrium.yaml
index af50a7c7b6e2fcd6442f0ed44cb2beafa57d63e9..b9f6de3f6cc1e9de8850f93af647f93887b56e3e 100644
--- a/instance-scripts/config-files/atrium.yaml
+++ b/instance-scripts/config-files/atrium.yaml
@@ -5,21 +5,21 @@ letsencrypt_email: %atrium_letsencrypt_email%
 tls_mode: Auto
 apps: # optional : applications served by atrium
   - id: 1
-    name: Code %atrium_count_index%
+    name: Code
     icon: web_asset
     color: 4292030255
     is_proxy: true
     host: code-%atrium_count_index%
     target: localhost:8080
   - id: 2
-    name: Desktop %atrium_count_index%
+    name: Desktop
     icon: web_asset
     color: 4292030255
     is_proxy: true
     host: desktop-%atrium_count_index%
     target: localhost:8081
   - id: 3
-    name: Terminal %atrium_count_index%
+    name: Terminal
     icon: terminal
     color: 4292030255
     is_proxy: true
@@ -28,6 +28,8 @@ apps: # optional : applications served by atrium
     secured: true
     login: admin
     password: %user_password%
+    roles:
+      - ADMINS
 users:
   - login: admin
     password: %user_password_hash%
diff --git a/instance-scripts/scripts/atrium.sh b/instance-scripts/scripts/atrium.sh
index 4644edfbca01081e4ed824a47a7e1681acf9e2e0..b95a734fdba749ec98e56c693c308e16a6030ab6 100644
--- a/instance-scripts/scripts/atrium.sh
+++ b/instance-scripts/scripts/atrium.sh
@@ -9,7 +9,7 @@
 # echo $(scw-userdata user_password) | argon2 $(echo $RANDOM | md5sum | head -c 10) -id -l 32 -e
 #
 
-export USER_PASSWORD_HASH=$(echo "$(scw-userdata user_password)" | argon2 "$(echo $RANDOM | md5sum | head -c 10)" -id -l 32 -e)
+export USER_PASSWORD_HASH=$(echo -n "$(scw-userdata user_password)" | argon2 "$(echo $RANDOM | md5sum | head -c 12)" -id -l 32 -e)
 
 mkdir -p /root/atrium/data && mkdir -p /root/atrium/letsencrypt_cache
 curl https://forge.grandlyon.com/systemes-dinformation/alpha/projects/labo-rust/-/raw/develop/instance-scripts/config-files/atrium.yaml -o root/atrium/atrium.yaml
diff --git a/instance-scripts/scripts/ttyd.sh b/instance-scripts/scripts/ttyd.sh
index 45b88f534194e5105f07df4612696f4ce4963fba..eeb2c71c13137e14515fced7790b2caba3a97fe3 100644
--- a/instance-scripts/scripts/ttyd.sh
+++ b/instance-scripts/scripts/ttyd.sh
@@ -5,9 +5,9 @@
 #
 
 mkdir -p /root/ttyd
-curl https://github.com/tsl0922/ttyd/releases/download/1.7.2/ttyd.x86_64 -o root/ttyd/ttyd.x86_64
+curl -k -L -s https://github.com/tsl0922/ttyd/releases/download/1.7.3/ttyd.x86_64 -o root/ttyd/ttyd.x86_64
 chmod +x /root/ttyd/ttyd.x86_64
 curl https://forge.grandlyon.com/systemes-dinformation/alpha/projects/labo-rust/-/raw/develop/instance-scripts/config-files/ttyd.service -o etc/systemd/system/ttyd.service
 sed -i "s|%user_password%|$(scw-userdata user_password)|g" /etc/systemd/system/ttyd.service
 
-systemctl enable ttyd.service && systemctl start ttyd.service
\ No newline at end of file
+systemctl enable ttyd.service && systemctl start ttyd.service