#!/bin/bash
# Install Docker
if ! command -v docker &> /dev/null
then
	echo "Docker not found, installing..."
	curl -fsSL https://get.docker.com -o get-docker.sh && sh get-docker.sh 2>&1 >/dev/null
	usermod -aG docker ${linux_user}
	newgrp docker
else
	echo "Docker is already installed."
fi

# Set up Docker credentials
mkdir -p "/home/${linux_user}/.docker"

if [ -n "${docker_config_json_base64}" ]; then
	# Write the Docker config JSON to disk if it is provided.
	printf "%s" "${docker_config_json_base64}" | base64 -d | tee "/home/${linux_user}/.docker/config.json"
else
	# Assume that we're going to use the instance IAM role to pull from the cache repo if we need to.
	# Set up the ecr credential helper.
	apt-get update -y && apt-get install -y amazon-ecr-credential-helper
	mkdir -p .docker
	printf '{"credsStore": "ecr-login"}' | tee "/home/${linux_user}/.docker/config.json"
fi
chown -R ${linux_user}:${linux_user} "/home/${linux_user}/.docker"

# Start envbuilder
sudo -u coder docker run \
	--rm \
	--net=host \
	-h ${hostname} \
	-v /home/${linux_user}/envbuilder:/workspaces \
	%{ for key, value in environment ~}
	-e ${key}="${value}" \
	%{ endfor ~}
	${builder_image}