#!/usr/bin/env bash

 
 set -e
 rm -rf "$DEST"
 
 if ! command -v dockerd &> /dev/null; then
 	echo >&2 'error: binary-daemon or dynbinary-daemon must be run before run'
 	false
 fi
 
 DOCKER_GRAPHDRIVER=${DOCKER_GRAPHDRIVER:-vfs}
 DOCKER_USERLANDPROXY=${DOCKER_USERLANDPROXY:-true}
 
 # example usage: DOCKER_STORAGE_OPTS="dm.basesize=20G,dm.loopdatasize=200G"
 storage_params=""
 if [ -n "$DOCKER_STORAGE_OPTS" ]; then
 	IFS=','
 	for i in ${DOCKER_STORAGE_OPTS}; do
 		storage_params="--storage-opt $i $storage_params"
 	done
 	unset IFS
 fi
 
 
 listen_port=2375
 if [ -n "$DOCKER_PORT" ]; then
 	IFS=':' read -r -a ports <<< "$DOCKER_PORT"
 	listen_port="${ports[-1]}"
 fi
 
 extra_params=""
 if [ "$DOCKER_REMAP_ROOT" ]; then
 	extra_params="--userns-remap $DOCKER_REMAP_ROOT"
 fi
 
 args="--debug \
 	--host tcp://0.0.0.0:${listen_port} --host unix:///var/run/docker.sock \
 	--storage-driver "$DOCKER_GRAPHDRIVER" \
 	--userland-proxy="$DOCKER_USERLANDPROXY" \
 	$storage_params \
 	$extra_params"
 
 echo dockerd $args
 exec dockerd $args