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dotfiles/install/12-docker.sh
2020-02-26 15:25:03 +00:00

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#!/usr/bin/env bash
#
# After running this script:
# 1. docker is installed
# 2. docker-compose if installed
# 3. docker group exists
# 4. user is in docker group
#
# 1. docker is installed
if not_installed "docker"; then
printf "Installing docker...\n"
# Requirements
install \
apt-transport-https \
ca-certificates \
curl \
gnupg-agent \
software-properties-common
# Add repository
add_key https://download.docker.com/linux/ubuntu/gpg
sudo add-apt-repository -y \
"deb [arch=amd64] https://download.docker.com/linux/ubuntu \
$(lsb_release -cs) \
stable"
update
# Install
install docker-ce
fi
printf "docker is installed\n"
docker --version
# 2. docker-compose if installed
if not_installed "docker-compose"; then
printf "Installing docker-compose...\n"
# Docker-compose
readonly docker_compose_url="https://github.com/docker/compose/releases/download/1.21.2/docker-compose-$(uname -s)-$(uname -m)"
curl -L docker_compose_url -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose
fi
printf "docker-compose is installed\n"
docker-compose --version
# 3. docker group exists
readonly docker_group='docker'
if ! grep -q "$docker_group" /etc/group; then
sudo groupadd "$docker_group"
fi
printf "group '$docker_group' is created\n"
# 4. user is in docker group
if ! groups "$USER" | grep -q "\b$docker_group\b"; then
sudo usermod -aG docker "$USER"
fi
printf "user '$USER' is in '$docker_group' group\n"