90 lines
1.5 KiB
Markdown
90 lines
1.5 KiB
Markdown
# Installation
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This guide explains how to install Docker Engine using the official Docker repository.
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## Prerequisites
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- Root or `sudo` privileges
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- Supported OS: Debian 10/11/12 or Ubuntu 20.04/22.04
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---
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## 1. Remove old versions (if any)
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```bash
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sudo apt-get remove docker docker-engine docker.io containerd runc
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```
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---
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## 2. Set up the repository
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### 2.1 Install required packages
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```bash
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sudo apt-get update
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sudo apt-get install -y \
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ca-certificates \
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curl \
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gnupg \
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lsb-release
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```
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### 2.2 Add Docker’s official GPG key
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```bash
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sudo mkdir -p /etc/apt/keyrings
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curl -fsSL https://download.docker.com/linux/$(. /etc/os-release && echo "$ID")/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
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```
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### 2.3 Set up the Docker repository
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```bash
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echo \
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"deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] \
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https://download.docker.com/linux/$(. /etc/os-release && echo \"$ID\") \
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$(lsb_release -cs) stable" | \
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sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
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```
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---
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## 3. Install Docker Engine
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```bash
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sudo apt-get update
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sudo apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
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```
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---
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## 4. Enable and start the Docker service
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```bash
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sudo systemctl enable docker
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sudo systemctl start docker
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```
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---
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## 5. Verify installation
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```bash
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sudo docker run hello-world
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```
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---
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## Optional: Add your user to the `docker` group
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```bash
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sudo usermod -aG docker $USER
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newgrp docker
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```
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---
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## References
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- https://docs.docker.com/engine/install/
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