Add Docker install script and apt sources

apt.list/ubuntu/install-docker.sh

@@ -0,0 +1,30 @@
+# Add Docker's official GPG key:
+sudo apt update
+sudo apt install ca-certificates curl
+sudo install -m 0755 -d /etc/apt/keyrings
+sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
+# 如果国内下载不了,可以使用华为云
+#curl -fsSL https://mirrors.huaweicloud.com/docker-ce/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
+
+sudo chmod a+r /etc/apt/keyrings/docker.asc
+
+# Add the repository to Apt sources:
+sudo tee /etc/apt/sources.list.d/docker.sources <<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
+
+sed -i "s%download.docker.com%mirrors.ustc.edu.cn/docker-ce%g" /etc/apt/sources.list.d/docker.sources
+
+sudo apt update
+
+sudo apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
+
+sudo usermod -aG docker $USER
+
+sudo systemctl enable docker
+sudo systemctl start docker