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Add local build and push script for Docker images
Provides a convenient way to build and push all variants locally with proper version tagging, without needing GitHub Actions. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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‎scripts/build-and-push.sh‎

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#!/usr/bin/env bash
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#
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# Build and push all Docker variants to DockerHub with proper version tags.
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# Supports multi-architecture builds (amd64/arm64) using docker buildx.
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#
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# Usage:
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# ./scripts/build-and-push.sh # Build and push all variants
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# ./scripts/build-and-push.sh --no-push # Build only, don't push
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# ./scripts/build-and-push.sh bookworm # Build and push specific variant
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# ./scripts/build-and-push.sh --local # Build for local arch only (faster)
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#
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
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# Configuration
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IMAGE_NAME="${IMAGE_NAME:-platformatic/node-pointer-compression}"
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VARIANTS=("bookworm" "slim" "alpine")
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PLATFORMS="${PLATFORMS:-linux/amd64,linux/arm64}"
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# Parse arguments
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PUSH=true
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LOCAL_ONLY=false
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SELECTED_VARIANTS=()
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while [[ $# -gt 0 ]]; do
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case $1 in
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--no-push)
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PUSH=false
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shift
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;;
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--local)
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LOCAL_ONLY=true
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PLATFORMS="linux/$(uname -m | sed 's/x86_64/amd64/' | sed 's/aarch64/arm64/')"
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shift
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;;
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--help|-h)
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echo "Usage: $0 [OPTIONS] [VARIANTS...]"
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echo ""
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echo "Options:"
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echo " --no-push Build images but don't push to registry"
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echo " --local Build for local architecture only (faster)"
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echo " --help Show this help message"
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echo ""
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echo "Variants: bookworm, slim, alpine (default: all)"
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echo ""
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echo "Environment variables:"
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echo " IMAGE_NAME Docker image name (default: platformatic/node-pointer-compression)"
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echo " PLATFORMS Target platforms (default: linux/amd64,linux/arm64)"
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exit 0
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;;
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*)
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SELECTED_VARIANTS+=("$1")
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shift
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;;
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esac
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done
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# Use all variants if none specified
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if [[ ${#SELECTED_VARIANTS[@]} -eq 0 ]]; then
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SELECTED_VARIANTS=("${VARIANTS[@]}")
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fi
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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log_info() { echo -e "${BLUE}[INFO]${NC} $1"; }
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log_success() { echo -e "${GREEN}[SUCCESS]${NC} $1"; }
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log_warn() { echo -e "${YELLOW}[WARN]${NC} $1"; }
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log_error() { echo -e "${RED}[ERROR]${NC} $1"; }
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# Ensure buildx is available and configured
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setup_buildx() {
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log_info "Setting up docker buildx..."
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if ! docker buildx inspect multiarch-builder &>/dev/null; then
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docker buildx create --name multiarch-builder --use
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else
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docker buildx use multiarch-builder
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fi
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# Bootstrap the builder
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docker buildx inspect --bootstrap
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}
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# Extract Node.js version from a built image
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get_node_version() {
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local image="$1"
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docker run --rm "$image" node --version | sed 's/^v//'
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}
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# Build a single variant
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build_variant() {
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local variant="$1"
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local dockerfile="$PROJECT_DIR/docker/$variant/Dockerfile"
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if [[ ! -f "$dockerfile" ]]; then
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log_error "Dockerfile not found: $dockerfile"
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return 1
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fi
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log_info "Building $variant variant for platforms: $PLATFORMS"
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local build_args=(
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--file "$dockerfile"
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--platform "$PLATFORMS"
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)
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if [[ "$PUSH" == "true" ]]; then
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build_args+=(--push)
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elif [[ "$LOCAL_ONLY" == "true" ]]; then
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build_args+=(--load)
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else
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# Multi-arch without push requires --push or outputting to a file
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log_warn "Multi-arch builds require --push or --local. Using --local for this build."
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PLATFORMS="linux/$(uname -m | sed 's/x86_64/amd64/' | sed 's/aarch64/arm64/')"
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build_args=(--file "$dockerfile" --platform "$PLATFORMS" --load)
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fi
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# First build with a temporary tag to extract version
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local temp_tag="$IMAGE_NAME:${variant}-temp"
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if [[ "$LOCAL_ONLY" == "true" ]] || [[ "$PUSH" == "false" ]]; then
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# For local builds, we can load and inspect
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docker buildx build "${build_args[@]}" --tag "$temp_tag" "$PROJECT_DIR"
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# Extract version
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NODE_VERSION=$(get_node_version "$temp_tag")
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log_info "Detected Node.js version: $NODE_VERSION"
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# Remove temp tag
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docker rmi "$temp_tag" 2>/dev/null || true
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else
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# For push builds, build once and tag appropriately
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# We need to build a local image first to get the version
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log_info "Building local image to detect Node.js version..."
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local local_platform="linux/$(uname -m | sed 's/x86_64/amd64/' | sed 's/aarch64/arm64/')"
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docker buildx build --file "$dockerfile" --platform "$local_platform" --load --tag "$temp_tag" "$PROJECT_DIR"
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NODE_VERSION=$(get_node_version "$temp_tag")
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log_info "Detected Node.js version: $NODE_VERSION"
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docker rmi "$temp_tag" 2>/dev/null || true
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fi
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# Build tags
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local tags=(
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"--tag" "$IMAGE_NAME:${NODE_VERSION}-${variant}"
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"--tag" "$IMAGE_NAME:${variant}"
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)
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# Bookworm is the default variant
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if [[ "$variant" == "bookworm" ]]; then
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tags+=(
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"--tag" "$IMAGE_NAME:${NODE_VERSION}"
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"--tag" "$IMAGE_NAME:latest"
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)
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fi
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# Final build with all tags
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log_info "Building and tagging $variant..."
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docker buildx build "${build_args[@]}" "${tags[@]}" "$PROJECT_DIR"
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log_success "Built $variant variant"
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echo " Tags:"
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echo " - $IMAGE_NAME:${NODE_VERSION}-${variant}"
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echo " - $IMAGE_NAME:${variant}"
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if [[ "$variant" == "bookworm" ]]; then
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echo " - $IMAGE_NAME:${NODE_VERSION}"
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echo " - $IMAGE_NAME:latest"
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fi
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}
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# Main
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main() {
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log_info "Docker image: $IMAGE_NAME"
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log_info "Platforms: $PLATFORMS"
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log_info "Variants: ${SELECTED_VARIANTS[*]}"
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log_info "Push: $PUSH"
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echo ""
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# Check Docker login if pushing
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if [[ "$PUSH" == "true" ]]; then
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if ! docker info 2>/dev/null | grep -q "Username"; then
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log_warn "Not logged in to Docker Hub. Run 'docker login' first."
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read -p "Continue anyway? [y/N] " -n 1 -r
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echo
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if [[ ! $REPLY =~ ^[Yy]$ ]]; then
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exit 1
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fi
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fi
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fi
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setup_buildx
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echo ""
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# Build each variant
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for variant in "${SELECTED_VARIANTS[@]}"; do
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if [[ ! " ${VARIANTS[*]} " =~ " ${variant} " ]]; then
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log_error "Unknown variant: $variant (valid: ${VARIANTS[*]})"
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exit 1
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fi
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build_variant "$variant"
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echo ""
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done
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log_success "All builds completed!"
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if [[ "$PUSH" == "true" ]]; then
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log_info "Images pushed to Docker Hub: https://hub.docker.com/r/$IMAGE_NAME"
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fi
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}
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main

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