add docker setup

.gitignore

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+._*

docker-setup.sh

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+#!/bin/bash
+
+# Catch errors
+set -e
+
+# Update the repository
+sudo apt-get update
+
+# Upgrade repository software
+sudo apt upgrade -y
+
+# Install docker installation requirement
+sudo apt-get install \
+    apt-transport-https \
+    ca-certificates \
+    curl \
+    gnupg \
+    lsb-release -y
+
+# Add docker repository gpg
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
+
+# Add docker repository into source list
+echo \
+  "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \
+  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+
+# Do update repository again
+sudo apt-get update
+
+# Install docker engine and containerd
+sudo apt-get install docker-ce docker-ce-cli containerd.io -y
+
+# Add current user to docker group
+sudo usermod -aG docker $USER