How to install Guacamole in Docker

#!/bin/bash

set -e

# === Configuration ===
GUAC_VERSION="1.5.5"
MYSQL_ROOT_PASSWORD="some_password"
GUAC_DB="guacamole_db"
GUAC_USER="guacamole_user"
GUAC_PASSWORD="some_password"
INSTALL_DIR="/opt/guacamole"

echo "[+] Updating system..."
apt-get update -y

echo "[+] Installing Docker and Docker Compose..."
apt-get install -y docker.io docker-compose

echo "[+] Creating directory structure..."
mkdir -p "$INSTALL_DIR/initdb"
cd "$INSTALL_DIR"

echo "[+] Writing docker-compose.yml..."
cat > docker-compose.yml <<EOF
version: '2'
services:
  guacd:
    image: guacamole/guacd:${GUAC_VERSION}
    container_name: guacd
    restart: always

 guacdb:
   image: mariadb:10.5
   container_name: guacdb
   restart: always
   environment:
     MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
     MYSQL_DATABASE: ${GUAC_DB}
     MYSQL_USER: ${GUAC_USER}
     MYSQL_PASSWORD: ${GUAC_PASSWORD}
   volumes:
     - ./initdb:/docker-entrypoint-initdb.d

 guacamole:
   image: guacamole/guacamole:${GUAC_VERSION}
   container_name: guacamole
   restart: always
   ports:
     - "8080:8080"
   environment:
     GUACD_HOSTNAME: guacd
     MYSQL_HOSTNAME: guacdb
     MYSQL_DATABASE: ${GUAC_DB}
     MYSQL_USER: ${GUAC_USER}
     MYSQL_PASSWORD: ${GUAC_PASSWORD}
   depends_on:
     - guacd
     - guacdb
EOF

echo "[+] Downloading Guacamole MySQL init script..."
docker run --rm guacamole/guacamole:${GUAC_VERSION} /opt/guacamole/bin/initdb.sh --mysql > initdb/initdb.sql

echo "[+] Starting all containers..."
docker-compose up -d

echo "[+] Done. Guacamole is being deployed. Waiting for containers to initialize..."

# Wait for Guacamole to be healthy (basic check)
sleep 20

# Show status
docker ps

echo
echo "======================================"
echo " Guacamole setup complete!"
echo " Access it at: http://<your-server-ip>:8080/guacamole"
echo
echo " Default login: guacadmin / guacadmin"
echo " CHANGE THE DEFAULT PASSWORD after login."
echo "======================================"