Here is how to install Docker on AlmaLinux 9 in 2026. Tested and verified.
Install Docker
# Remove old versions
sudo dnf remove -y docker docker-common docker-selinux docker-engine
# Add Docker repository
sudo dnf config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
# Install Docker
sudo dnf install -y docker-ce docker-ce-cli containerd.io docker-compose-plugin
# Start and enable
sudo systemctl start docker
sudo systemctl enable dockerPost-Installation
# Add your user to docker group (avoid sudo)
sudo usermod -aG docker $USER
newgrp docker
# Verify
docker run hello-world
docker compose version