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docker/install-docker-ubuntu.sh

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+#!/bin/bash
+# Cài đặt Docker trên Ubuntu
+
+# 1. Cài gói phụ trợ
+apt update
+apt install -y ca-certificates curl gnupg lsb-release
+
+# 2. Thêm Docker GPG key
+install -m 0755 -d /etc/apt/keyrings
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg | \
+  gpg --dearmor -o /etc/apt/keyrings/docker.gpg
+
+# 3. Thêm Docker repo
+echo \
+  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] \
+  https://download.docker.com/linux/ubuntu \
+  $(lsb_release -cs) stable" | \
+  tee /etc/apt/sources.list.d/docker.list > /dev/null
+
+# 4. Cập nhật repo & cài Docker
+sudo apt-get update
+apt install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin