diff --git a/installer.sh b/installer.sh
index 5f4f450..e854f69 100644
--- a/installer.sh
+++ b/installer.sh
@@ -1,29 +1,68 @@
-# Clone the repository
-git clone https://git.maxprint.io/MaxApex/ticket_ai_flask_app.git /opt/ticket-ai
-
-# navigate to the repo
-cd /opt/ticket-ai
-
-# Create virtual environment
-python3 -m venv /opt/ticket-ai/venv
-
-# Activate virtual environment and install Flask and flask_jwt_extended
-source /opt/ticket-ai/venv/bin/activate
-pip install Flask
-pip install flask_jwt_extended
-
-# Create systemd service file
-cat <<EOF > /etc/systemd/system/ticket-ai.service
-[Unit]
-Description=Ticket AI
-
-[Service]
-Type=simple
-ExecStart=/opt/ticket-ai/venv/bin/python3 /opt/ticket-ai/src/app.py
-
-[Install]
-WantedBy=multi-user.target
-EOF
-
-# Start the service
-systemctl start ticket-ai.service
+#!/bin/bash
+
+# Define variables for easier modifications and readability
+GIT_REPO="https://git.maxprint.io/MaxApex/ticket_ai_flask_app.git"
+APP_DIR="/opt/ticket-ai"
+VENV_DIR="$APP_DIR/venv"
+SERVICE_FILE="/etc/systemd/system/ticket-ai.service"
+PYTHON_BIN="$VENV_DIR/bin/python3"
+ACTIVATE_SCRIPT="$VENV_DIR/bin/activate"
+IPTABLES_RULES=("83.136.253.122") # Add IPs as needed
+
+# Ensure the script is run as root
+if [ "$(id -u)" != "0" ]; then
+   echo "This script must be run as root" 1>&2
+   exit 1
+fi
+
+# Installing git
+yum install -y git || { echo "Failed to install git. Exiting."; exit 1; }
+
+# Clone the repository if it doesn't exist
+if [ ! -d "$APP_DIR" ]; then
+    git clone $GIT_REPO $APP_DIR || { echo "Failed to clone repository. Exiting."; exit 1; }
+else
+    echo "$APP_DIR already exists. Skipping clone."
+fi
+
+# Navigate to the repo directory
+cd $APP_DIR || { echo "Failed to navigate to $APP_DIR. Exiting."; exit 1; }
+
+# Create virtual environment if it doesn't exist
+if [ ! -d "$VENV_DIR" ]; then
+    python3 -m venv $VENV_DIR
+else
+    echo "$VENV_DIR already exists. Skipping virtual environment creation."
+fi
+
+# Activate virtual environment and install dependencies
+source $ACTIVATE_SCRIPT
+pip install Flask flask_jwt_extended || { echo "Failed to install Flask or flask_jwt_extended. Exiting."; exit 1; }
+
+# Create systemd service file
+cat <<EOF > $SERVICE_FILE
+[Unit]
+Description=Ticket AI
+
+[Service]
+Type=simple
+ExecStart=$PYTHON_BIN $APP_DIR/src/app.py
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+# Reload systemd to recognize the new service and start it
+systemctl daemon-reload
+systemctl start ticket-ai.service || { echo "Failed to start ticket-ai.service. Exiting."; exit 1; }
+
+# Add firewall rules to accept traffic
+for IP in "${IPTABLES_RULES[@]}"; do
+    iptables -A INPUT -p tcp -m tcp -s $IP --dport 5000 -j ACCEPT
+done
+
+# Save iptables rules and restart the service to apply changes
+service iptables save
+service iptables restart || { echo "Failed to restart iptables. Exiting."; exit 1; }
+
+echo "Setup completed successfully."