Docker image builder

docker-image-builder.sh

#!/bin/bash

NAMESPACE="$1"
NAME="$2"
TAG="$3"

echo "=================================="
echo "||                              ||"
echo "||     Docker image builder     ||"
echo "||                              ||"
echo "=================================="

printf "\n\n"

if [[ -z "$NAMESPACE" ]]; then
	echo "Please insert the namespace";
	echo "Usage: /bin/bash builder.sh [namespace] [name] [tag]";
	exit 1;
fi

if [[ -z "$NAME" ]]; then
	echo "Please insert the name";
	echo "Usage: /bin/bash builder.sh [namespace] [name] [tag]";
	exit 1;
fi

if [[ -z "$TAG" ]]; then
	echo "Please insert the tag";
	echo "Usage: /bin/bash builder.sh [namespace] [name] [tag]";
	exit 1;
fi

compile() {
	echo "start compiling application...";
	printf "\n\n"
	docker run --rm -it -v "$GOPATH":/gopath -v "$(pwd)":/app \
	-e "GOPATH=/gopath" -w /app golang:latest \
	sh -c 'CGO_ENABLED=0 go build -a --installsuffix cgo --ldflags="-s" -o '"$NAME";
	echo "compile finished";
	printf "\n\n"
}

buildImage() {
	printf "\n\n"
	echo "start building docker image...";
	docker build -t $NAMESPACE/$NAME:$TAG .
	echo $NAMESPACE/$NAME:$TAG "build finished";
	printf "\n\n"
}

compile
buildImage