Add docker-install.sh

docker-install.sh

@@ -0,0 +1,61 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "==> Removing conflicting Docker/container packages..."
+
+sudo apt remove -y \
+  docker.io \
+  docker-compose \
+  docker-compose-v2 \
+  docker-doc \
+  docker-buildx \
+  podman-docker \
+  containerd \
+  runc
+
+echo "==> Updating package lists..."
+sudo apt update
+
+echo "==> Installing prerequisites..."
+sudo apt install -y ca-certificates curl
+
+echo "==> Installing Docker's official GPG key..."
+sudo install -m 0755 -d /etc/apt/keyrings
+sudo curl -fsSL \
+  https://download.docker.com/linux/ubuntu/gpg \
+  -o /etc/apt/keyrings/docker.asc
+sudo chmod a+r /etc/apt/keyrings/docker.asc
+
+echo "==> Adding Docker's official repository..."
+sudo tee /etc/apt/sources.list.d/docker.sources > /dev/null <<EOF
+Types: deb
+URIs: https://download.docker.com/linux/ubuntu
+Suites: $(. /etc/os-release && echo "${UBUNTU_CODENAME:-$VERSION_CODENAME}")
+Components: stable
+Architectures: $(dpkg --print-architecture)
+Signed-By: /etc/apt/keyrings/docker.asc
+EOF
+
+echo "==> Updating package lists with Docker repository..."
+sudo apt update
+
+echo "==> Installing Docker Engine and Compose..."
+sudo apt install -y \
+  docker-ce \
+  docker-ce-cli \
+  containerd.io \
+  docker-buildx-plugin \
+  docker-compose-plugin
+
+echo "==> Enabling and starting Docker..."
+sudo systemctl enable --now docker
+
+echo "==> Testing Docker installation..."
+sudo docker run --rm hello-world
+
+echo
+echo "========================================"
+echo " Docker installation completed!"
+echo "========================================"
+docker --version
+docker compose version