diff --git a/observabilite/observability/vm_observabilite_applicatif/scripts/install_applicatif.sh b/observabilite/observability/vm_observabilite_applicatif/scripts/install_applicatif.sh
new file mode 100755
index 0000000..b513332
--- /dev/null
+++ b/observabilite/observability/vm_observabilite_applicatif/scripts/install_applicatif.sh
@@ -0,0 +1,86 @@
+#!/bin/bash
+# Script d'installation et déploiement ArchiWeb
+# À exécuter en tant que root ou avec sudo
+
+set -e  # Arrêt si une commande échoue
+set -o pipefail
+
+echo "=== Mise à jour du système ==="
+sudo apt update && sudo apt upgrade -y
+
+echo "=== Installation Java 17 et Maven ==="
+sudo apt install -y openjdk-17-jdk maven wget gnupg lsb-release
+
+echo "=== Vérification des versions ==="
+java -version
+mvn -version
+
+echo "=== Installation de Tomcat 10 ==="
+cd /opt
+sudo wget https://dlcdn.apache.org/tomcat/tomcat-10/v10.1.47/bin/apache-tomcat-10.1.47.tar.gz
+sudo tar -xvzf apache-tomcat-10.1.47.tar.gz
+sudo mv apache-tomcat-10.1.47 tomcat
+sudo chown -R vagrant:vagrant /opt/tomcat
+
+echo "=== Configuration des variables d'environnement ==="
+if ! grep -q "CATALINA_HOME" ~/.bashrc; then
+  echo "export CATALINA_HOME=/opt/tomcat" >> ~/.bashrc
+  echo 'export PATH=$PATH:$CATALINA_HOME/bin' >> ~/.bashrc
+fi
+source ~/.bashrc
+
+echo "=== Création du service systemd pour Tomcat ==="
+cat <<EOF | sudo tee /etc/systemd/system/tomcat.service
+[Unit]
+Description=Apache Tomcat 10.1.47
+After=network.target
+
+[Service]
+Type=forking
+Environment=JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64
+Environment=CATALINA_HOME=/opt/tomcat
+ExecStart=/opt/tomcat/bin/startup.sh
+ExecStop=/opt/tomcat/bin/shutdown.sh
+User=vagrant
+Group=vagrant
+RestartSec=10
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+sudo systemctl daemon-reload
+sudo systemctl enable tomcat
+sudo systemctl start tomcat
+sudo systemctl status tomcat --no-pager
+
+echo "=== Déploiement du WAR ArchiWeb ==="
+sudo cp /vagrant/archiweb-api-1.0.0.war /opt/tomcat/webapps/
+
+echo "=== Installation PostgreSQL 18 ==="
+echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" | sudo tee /etc/apt/sources.list.d/pgdg.list
+wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
+sudo apt update
+sudo apt install -y postgresql-18 postgresql-client-18 postgresql-contrib
+
+echo "=== Configuration de PostgreSQL ==="
+sudo -u postgres psql <<EOF
+DROP DATABASE IF EXISTS archiweb_db;
+CREATE DATABASE archiweb_db;
+CREATE USER archiweb_user WITH ENCRYPTED PASSWORD 'archiweb_pass';
+GRANT ALL PRIVILEGES ON DATABASE archiweb_db TO archiweb_user;
+\q
+EOF
+
+# Modification du fichier pg_hba.conf pour md5
+PG_HBA="/etc/postgresql/18/main/pg_hba.conf"
+sudo sed -i "s/^local\s\+all\s\+all\s\+peer/local all all md5/" $PG_HBA
+sudo systemctl restart postgresql
+sudo systemctl status postgresql --no-pager
+
+echo "=== Import des schémas et données ==="
+sudo -u archiweb_user psql -U archiweb_user -d archiweb_db -f /vagrant/database/schema.sql -W <<< "archiweb_pass"
+sudo -u archiweb_user psql -U archiweb_user -d archiweb_db -f /vagrant/database/data.sql -W <<< "archiweb_pass"
+
+echo "=== Installation et déploiement terminé ==="
diff --git a/observabilite/observability/vm_observabilite_applicatif/scripts/monitoring_applicatif.sh b/observabilite/observability/vm_observabilite_applicatif/scripts/monitoring_applicatif.sh
new file mode 100755
index 0000000..6115ef9
--- /dev/null
+++ b/observabilite/observability/vm_observabilite_applicatif/scripts/monitoring_applicatif.sh
@@ -0,0 +1,111 @@
+#!/bin/bash
+set -e
+
+# Variables
+PROMTAIL_VERSION="v3.1.1"
+PROMTAIL_DIR="/opt/promtail"
+CONFIG_DIR="/etc/promtail"
+TOMCAT_LOG_DIR="/opt/tomcat/logs"
+LOKI_URL="http://192.168.56.20:3100/loki/api/v1/push"
+PROMTAIL_USER="promtail"
+PROMTAIL_GROUP="promtail"
+TOMCAT_GROUP="tomcatlogs"
+
+# 1. Installation de Promtail
+echo "=== Installation de Promtail ==="
+mkdir -p $PROMTAIL_DIR
+cd $PROMTAIL_DIR
+wget -q https://github.com/grafana/loki/releases/download/$PROMTAIL_VERSION/promtail-linux-amd64.zip
+apt-get update && apt-get install -y unzip
+unzip -o promtail-linux-amd64.zip
+mv promtail-linux-amd64 promtail
+chmod +x promtail
+
+# 2. Création de l'utilisateur promtail
+id -u $PROMTAIL_USER &>/dev/null || useradd -r -s /bin/false $PROMTAIL_USER
+chown -R $PROMTAIL_USER:$PROMTAIL_GROUP $PROMTAIL_DIR || true
+
+# 3. Configuration Promtail
+echo "=== Configuration Promtail ==="
+mkdir -p $CONFIG_DIR
+
+cat > $CONFIG_DIR/config-promtail.yaml <<EOF
+server:
+  http_listen_port: 9080
+  grpc_listen_port: 0
+
+positions:
+  filename: /tmp/positions.yaml
+
+clients:
+  - url: $LOKI_URL
+
+scrape_configs:
+- job_name: tomcat
+  static_configs:
+    - targets:
+        - localhost
+      labels:
+        job: tomcat
+        host: applicatif-vm
+        type: catalina
+        __path__: $TOMCAT_LOG_DIR/catalina*.log
+    - targets:
+        - localhost
+      labels:
+        job: tomcat
+        host: applicatif-vm
+        type: localhost
+        __path__: $TOMCAT_LOG_DIR/localhost*.log
+    - targets:
+        - localhost
+      labels:
+        job: tomcat
+        host: applicatif-vm
+        type: access
+        __path__: $TOMCAT_LOG_DIR/localhost_access_log*.txt
+    - targets:
+        - localhost
+      labels:
+        job: tomcat
+        host: applicatif-vm
+        type: out
+        __path__: $TOMCAT_LOG_DIR/catalina.out
+EOF
+
+# 4. Création du service systemd
+echo "=== Création du service systemd ==="
+cat > /etc/systemd/system/promtail.service <<EOF
+[Unit]
+Description=Promtail service
+After=network.target
+
+[Service]
+User=$PROMTAIL_USER
+ExecStart=$PROMTAIL_DIR/promtail -config.file=$CONFIG_DIR/config-promtail.yaml
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+# 5. Gestion des permissions Tomcat logs
+echo "=== Configuration des permissions Tomcat logs ==="
+groupadd -f $TOMCAT_GROUP
+usermod -aG $TOMCAT_GROUP $PROMTAIL_USER || true
+usermod -aG $TOMCAT_GROUP vagrant || true
+chown -R vagrant:$TOMCAT_GROUP $TOMCAT_LOG_DIR
+chmod -R 750 $TOMCAT_LOG_DIR
+chmod -R g+r $TOMCAT_LOG_DIR/*.log
+
+# 6. Activation du service Promtail
+echo "=== Activation du service Promtail ==="
+systemctl daemon-reload
+systemctl enable --now promtail
+systemctl restart promtail
+systemctl status promtail --no-pager
+
+# 7. Vérification des logs
+echo "=== Vérification des logs ==="
+ls -ld $TOMCAT_LOG_DIR
+ls -l $TOMCAT_LOG_DIR | head