Build a go application in a docker container

docker-go-build.sh

#!/bin/bash

if [ -z ${1+x} ]; then
	SRC_PATH=$(pwd)
else
	if [ -d "$1" ]; then
		SRC_PATH=$1
	else
		echo "$1 is not a directory"
		exit 1
	fi
fi

APP_NAME=$(basename "$SRC_PATH")

echo "Building $APP_NAME..."

COMMAND="docker run --rm -v $SRC_PATH:/go/src/$APP_NAME -w /go/src/$APP_NAME golang:1.8 /bin/bash -c \"go get -v; go build -v\""

# Check if sudo is needed for docker
if groups | grep -q 'docker'; then
	FIX_OWNER=false
	$COMMAND
else
	FIX_OWNER=true
	sudo /bin/bash -c "$COMMAND"
fi

# Fix owner when scipt used sudo
if [ $FIX_OWNER == true ]
then
	CHOWN_USER="$USER"
fi

# Fix owner of binary when scipt is run with sudo
if env | grep -q '^SUDO_USER='; then
	CHOWN_USER=$(env | grep '^SUDO_USER=' | sed 's/^SUDO_USER=//')
fi

sudo chown -c "$CHOWN_USER:" "$SRC_PATH/$APP_NAME"