Installer Docker sur Ubuntu
Tutoriel pas-à-pas pour installer Docker Engine et Docker Compose sur Ubuntu Server, puis lancer votre premier conteneur.
This tutorial installs the official Docker Engine and Compose plugin on Ubuntu, then verifies everything with a test container. It takes about ten minutes.
Prerequisites
- Ubuntu Server 22.04 or newer
- A user with
sudoaccess
Step 1: Remove old versions
sudo apt remove docker docker-engine docker.io containerd runcStep 2: Add Docker's official repository
sudo apt update
sudo apt install ca-certificates curl gnupg
sudo install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | \
sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
sudo chmod a+r /etc/apt/keyrings/docker.gpg
echo \
"deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] \
https://download.docker.com/linux/ubuntu $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
sudo tee /etc/apt/sources.list.d/docker.list > /dev/nullStep 3: Install Docker Engine and Compose
sudo apt update
sudo apt install docker-ce docker-ce-cli containerd.io \
docker-buildx-plugin docker-compose-pluginStep 4: Run Docker without sudo
sudo usermod -aG docker $USER
newgrp dockerLog out and back in for the group change to fully apply.
Step 5: Verify the installation
docker run hello-world
docker compose versionIf you see the "Hello from Docker!" message, you're ready.
Step 6: Your first real container
mkdir -p ~/whoami && cd ~/whoami
cat > compose.yaml <<'EOF'
services:
whoami:
image: traefik/whoami
ports:
- "8088:80"
restart: unless-stopped
EOF
docker compose up -dVisit http://your-server-ip:8088 to see it respond.
Next steps
- Learn the fundamentals in Docker basics.
- Deploy Pi-hole or Jellyfin.
- Keep images updated:
docker compose pull && docker compose up -d.
You now have a container platform ready for dozens of self-hosted apps.
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