Update environment variables, enhance .gitignore, add basic installation script, and update README

basic-instalations.sh

@@ -0,0 +1,70 @@
+#!/bin/bash
+
+set -e
+
+echo "🛠️ Detecting OS..."
+OS=$(uname -s)
+
+install_docker_linux() {
+  echo "🔧 Installing Docker on Linux..."
+
+  # Remove old versions
+  sudo apt-get remove -y docker docker-engine docker.io containerd runc || true
+
+  # Install dependencies
+  sudo apt-get update
+  sudo apt-get install -y \
+    ca-certificates \
+    curl \
+    gnupg \
+    lsb-release
+
+  # Add Docker's official GPG key
+  sudo install -m 0755 -d /etc/apt/keyrings
+  curl -fsSL https://download.docker.com/linux/$(. /etc/os-release && echo "$ID")/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
+  sudo chmod a+r /etc/apt/keyrings/docker.gpg
+
+  # Add Docker's repo
+  echo \
+    "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/$(. /etc/os-release && echo "$ID") \
+    $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+
+  # Install Docker and Compose
+  sudo apt-get update
+  sudo apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
+
+  # Enable and start Docker
+  sudo systemctl enable docker
+  sudo systemctl start docker
+
+  # Add user to docker group
+  sudo usermod -aG docker "$USER"
+
+  echo "✅ Docker installed. Please log out and log back in for docker group to take effect."
+}
+
+install_docker_windows_message() {
+  echo "🪟 Detected Windows system."
+  echo "👉 Please install Docker Desktop from: https://www.docker.com/products/docker-desktop/"
+  echo "It includes Docker Engine + Compose and integrates with WSL2."
+  echo ""
+  echo "Make sure to:"
+  echo "  - Enable WSL2 backend during install"
+  echo "  - Share your drives if needed (for volume mounting)"
+}
+
+case "$OS" in
+  Linux)
+    install_docker_linux
+    ;;
+  Darwin)
+    echo "🍏 macOS detected. Please use Docker Desktop: https://www.docker.com/products/docker-desktop"
+    ;;
+  MINGW*|CYGWIN*|MSYS*|Windows_NT)
+    install_docker_windows_message
+    ;;
+  *)
+    echo "❌ Unsupported OS: $OS"
+    exit 1
+    ;;
+esac