#!/bin/bash

# Build and Push Multi-Platform Docker Image Script
# This script builds the Docker image for multiple platforms (Linux amd64, arm64)
# and pushes it to a registry

set -e  # Exit on error

# Configuration
IMAGE_NAME="retail-backend"
REGISTRY="renolation"  # Change this to your Docker Hub username or registry URL
VERSION="latest"
FULL_IMAGE="${REGISTRY}/${IMAGE_NAME}:${VERSION}"

# Colors for output
GREEN='\033[0;32m'
BLUE='\033[0;34m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

echo -e "${BLUE}🔧 Setting up Docker Buildx...${NC}"
# Create and use a new builder instance that supports multi-platform builds
docker buildx create --use --name multiplatform-builder --driver docker-container --bootstrap 2>/dev/null || docker buildx use multiplatform-builder

echo -e "${BLUE}🏗️  Building multi-platform Docker image...${NC}"
echo -e "${YELLOW}   Platforms: linux/amd64, linux/arm64${NC}"
echo -e "${YELLOW}   Image: ${FULL_IMAGE}${NC}"
echo ""

# Build and push for multiple platforms
docker buildx build \
  --platform linux/amd64,linux/arm64 \
  --tag ${FULL_IMAGE} \
  --push \
  .

echo ""
echo -e "${GREEN}✅ Successfully built and pushed multi-platform image: ${FULL_IMAGE}${NC}"
echo ""
echo -e "${BLUE}📦 Image supports:${NC}"
echo "   - Linux AMD64 (x86_64) - Most cloud servers, VPS"
echo "   - Linux ARM64 (aarch64) - AWS Graviton, Raspberry Pi, Apple Silicon"
echo ""
echo -e "${BLUE}📝 To use this image on another server, run:${NC}"
echo "   docker pull ${FULL_IMAGE}"
echo "   docker-compose -f docker-compose.prod.yml up -d"
echo ""
echo -e "${BLUE}🔍 To inspect the image:${NC}"
echo "   docker buildx imagetools inspect ${FULL_IMAGE}"