docker-setup-wsl2.sh

#!/bin/sh
# based on instructions found at https://dev.solita.fi/2021/12/21/docker-on-wsl2-without-docker-desktop.html

# remove old docker #
sudo apt remove docker docker-engine docker.io containerd runc

# configure package repository
sudo apt update
sudo apt install --no-install-recommends apt-transport-https ca-certificates curl -y

ID=$(grep "^ID=" /etc/os-release | cut -d "=" -f2)
VERSION_CODENAME=$(grep "^VERSION_CODENAME=" /etc/os-release | cut -d "=" -f2)

curl -fsSL https://download.docker.com/linux/${ID}/gpg | sudo apt-key add -
echo "deb [arch=amd64] https://download.docker.com/linux/${ID} ${VERSION_CODENAME} stable" | sudo tee /etc/apt/sources.list.d/docker.list
sudo apt update

# install docker and add self to group
sudo apt install docker-ce docker-ce-cli containerd.io -y
sudo usermod -aG docker $USER

# configure dockerd
DOCKER_DIR=/mnt/wsl/shared-docker
mkdir -pm o=,ug=rwx "$DOCKER_DIR"
sudo chgrp docker "$DOCKER_DIR"
sudo mkdir /etc/docker
sudo bash -c 'cat << "EOF" >> /etc/docker/daemon.json
{
   "hosts": ["unix:///mnt/wsl/shared-docker/docker.sock"]
}
EOF'

# run dockerd automatically 

bash -c 'cat << "EOF" >> $HOME/.profile
DOCKER_DISTRO=$WSL_DISTRO_NAME
DOCKER_DIR=/mnt/wsl/shared-docker
DOCKER_SOCK="$DOCKER_DIR/docker.sock"
export DOCKER_HOST="unix://$DOCKER_SOCK"
if [ ! -S "$DOCKER_SOCK" ]; then
   mkdir -pm o=,ug=rwx "$DOCKER_DIR"
   sudo chgrp docker "$DOCKER_DIR"
   /mnt/c/Windows/System32/wsl.exe -d $DOCKER_DISTRO sh -c "nohup sudo -b dockerd < /dev/null > $DOCKER_DIR/dockerd.log 2>&1"
fi
EOF'

# Want to go passwordless with the launching of dockerd?
# All you need to do is
# sudo visudo
# %docker ALL=(ALL) NOPASSWD: /usr/bin/dockerd


# installing docker compose
COMPOSE_VERSION=1.29.2
sudo curl -L "https://github.com/docker/compose/releases/download/$COMPOSE_VERSION/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose