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bambuddy/docker-publish.sh
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2026-01-02 12:28:32 +01:00

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#!/bin/bash
# Build and push multi-architecture Docker image to GitHub Container Registry
#
# Usage:
# ./scripts/docker-publish.sh [version] [--parallel]
#
# Examples:
# ./scripts/docker-publish.sh 0.1.6 # Sequential build (default)
# ./scripts/docker-publish.sh 0.1.6 --parallel # Build both archs simultaneously
# ./scripts/docker-publish.sh 0.1.6-beta # Pre-release (no latest tag)
#
# Prerequisites:
# 1. Log in to ghcr.io first:
# echo $GITHUB_TOKEN | docker login ghcr.io -u YOUR_USERNAME --password-stdin
#
# 2. Create a GitHub Personal Access Token with 'write:packages' scope:
# https://github.com/settings/tokens/new?scopes=write:packages
#
# Supported architectures:
# - linux/amd64 (x86_64, most servers/desktops)
# - linux/arm64 (Raspberry Pi 4/5, Apple Silicon via emulation)
set -e
# Configuration
REGISTRY="ghcr.io"
IMAGE_NAME="maziggy/bambuddy"
FULL_IMAGE="${REGISTRY}/${IMAGE_NAME}"
PLATFORMS="linux/amd64,linux/arm64"
BUILDER_NAME="bambuddy-builder"
# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color
# Parse arguments
VERSION=""
PARALLEL=false
for arg in "$@"; do
case $arg in
--parallel)
PARALLEL=true
;;
*)
if [ -z "$VERSION" ]; then
VERSION="$arg"
fi
;;
esac
done
if [ -z "$VERSION" ]; then
echo -e "${YELLOW}Usage: $0 <version> [--parallel]${NC}"
echo "Example: $0 0.1.6"
echo " $0 0.1.6 --parallel # Build both architectures simultaneously"
exit 1
fi
# Get CPU count
CPU_COUNT=$(nproc 2>/dev/null || sysctl -n hw.ncpu 2>/dev/null || echo 4)
echo -e "${GREEN}================================================${NC}"
echo -e "${GREEN} Building multi-arch image${NC}"
echo -e "${GREEN} ${FULL_IMAGE}:${VERSION}${NC}"
echo -e "${GREEN} Platforms: ${PLATFORMS}${NC}"
echo -e "${GREEN} CPU cores: ${CPU_COUNT}${NC}"
if [ "$PARALLEL" = true ]; then
echo -e "${GREEN} Mode: PARALLEL (both archs simultaneously)${NC}"
else
echo -e "${GREEN} Mode: Sequential (amd64 → arm64)${NC}"
fi
echo -e "${GREEN}================================================${NC}"
echo ""
# Check if logged in to registry
if ! docker info 2>/dev/null | grep -q "Username"; then
echo -e "${YELLOW}Warning: You may not be logged in to Docker registry${NC}"
echo "Run: echo \$GITHUB_TOKEN | docker login ghcr.io -u YOUR_USERNAME --password-stdin"
echo ""
fi
# Determine if this is a release version (includes betas for now)
IS_RELEASE=false
if [[ "$VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+(b[0-9]+)?$ ]]; then
IS_RELEASE=true
fi
# Setup buildx builder if not exists
echo -e "${BLUE}[1/4] Setting up Docker Buildx...${NC}"
if ! docker buildx inspect "$BUILDER_NAME" >/dev/null 2>&1; then
echo "Creating new buildx builder: $BUILDER_NAME (optimized for ${CPU_COUNT} cores)"
docker buildx create \
--name "$BUILDER_NAME" \
--driver docker-container \
--driver-opt network=host \
--driver-opt "env.BUILDKIT_STEP_LOG_MAX_SIZE=10000000" \
--buildkitd-flags "--allow-insecure-entitlement network.host --oci-worker-gc=false" \
--config /dev/stdin <<EOF
[worker.oci]
max-parallelism = ${CPU_COUNT}
EOF
docker buildx inspect --bootstrap "$BUILDER_NAME"
fi
docker buildx use "$BUILDER_NAME"
# Verify builder supports multi-platform
echo -e "${BLUE}[2/4] Verifying multi-platform support...${NC}"
if ! docker buildx inspect --bootstrap | grep -q "linux/arm64"; then
echo -e "${YELLOW}Installing QEMU for cross-platform builds...${NC}"
docker run --privileged --rm tonistiigi/binfmt --install all
fi
# Build tags
TAGS="-t ${FULL_IMAGE}:${VERSION}"
if [ "$IS_RELEASE" = true ]; then
TAGS="$TAGS -t ${FULL_IMAGE}:latest"
echo -e "${BLUE}[3/4] Building and pushing (version + latest)...${NC}"
else
echo -e "${BLUE}[3/4] Building and pushing (version only, no latest)...${NC}"
fi
# Common build args for speed
BUILD_ARGS="--provenance=false --sbom=false"
CACHE_ARGS="--cache-from type=registry,ref=${FULL_IMAGE}:buildcache --cache-to type=registry,ref=${FULL_IMAGE}:buildcache,mode=max"
if [ "$PARALLEL" = true ]; then
# Parallel build: Build each architecture separately then combine
echo -e "${YELLOW}Building amd64 and arm64 in parallel (${CPU_COUNT} cores each)...${NC}"
# Build amd64 in background
(
echo -e "${BLUE}[amd64] Starting build...${NC}"
docker buildx build \
--platform linux/amd64 \
-t "${FULL_IMAGE}:${VERSION}-amd64" \
${BUILD_ARGS} \
--cache-from type=registry,ref=${FULL_IMAGE}:cache-amd64 \
--cache-to type=registry,ref=${FULL_IMAGE}:cache-amd64,mode=max \
--push \
. 2>&1 | sed 's/^/[amd64] /'
echo -e "${GREEN}[amd64] Complete!${NC}"
) &
PID_AMD64=$!
# Build arm64 in background
(
echo -e "${BLUE}[arm64] Starting build...${NC}"
docker buildx build \
--platform linux/arm64 \
-t "${FULL_IMAGE}:${VERSION}-arm64" \
${BUILD_ARGS} \
--cache-from type=registry,ref=${FULL_IMAGE}:cache-arm64 \
--cache-to type=registry,ref=${FULL_IMAGE}:cache-arm64,mode=max \
--push \
. 2>&1 | sed 's/^/[arm64] /'
echo -e "${GREEN}[arm64] Complete!${NC}"
) &
PID_ARM64=$!
# Wait for both builds
echo "Waiting for parallel builds to complete..."
wait $PID_AMD64
wait $PID_ARM64
# Create and push multi-arch manifest
echo -e "${BLUE}Creating multi-arch manifest...${NC}"
docker buildx imagetools create \
-t "${FULL_IMAGE}:${VERSION}" \
"${FULL_IMAGE}:${VERSION}-amd64" \
"${FULL_IMAGE}:${VERSION}-arm64"
if [ "$IS_RELEASE" = true ]; then
docker buildx imagetools create \
-t "${FULL_IMAGE}:latest" \
"${FULL_IMAGE}:${VERSION}-amd64" \
"${FULL_IMAGE}:${VERSION}-arm64"
fi
else
# Sequential build (default): Build both platforms in one command
echo -e "${YELLOW}Building sequentially with ${CPU_COUNT} cores...${NC}"
DOCKER_BUILDKIT=1 docker buildx build \
--platform "$PLATFORMS" \
${BUILD_ARGS} \
${CACHE_ARGS} \
$TAGS \
--push \
.
fi
echo -e "${BLUE}[4/4] Verifying manifest...${NC}"
docker buildx imagetools inspect "${FULL_IMAGE}:${VERSION}"
echo ""
echo -e "${GREEN}================================================${NC}"
echo -e "${GREEN}✓ Successfully pushed multi-arch image:${NC}"
echo -e "${GREEN}================================================${NC}"
echo " - ${FULL_IMAGE}:${VERSION}"
if [ "$IS_RELEASE" = true ]; then
echo " - ${FULL_IMAGE}:latest"
fi
echo ""
echo -e "${BLUE}Supported platforms:${NC}"
echo " - linux/amd64 (Intel/AMD servers, desktops)"
echo " - linux/arm64 (Raspberry Pi 4/5, Apple Silicon)"
echo ""
echo -e "${GREEN}Users can now run:${NC}"
echo " docker pull ${FULL_IMAGE}:${VERSION}"