Files
n_os_tr/stack/build-common/build_static.sh
Laan Tungir 6e2164abe5 [WARNING] No existing semantic tags found. Starting from v0.0.0
v0.0.1 - Reorganize ISO build tree, add docs/plans/scripts, and stage Phase 2 Slice B+C service integration artifacts
2026-04-29 13:09:28 -04:00

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#!/bin/bash
set -euo pipefail
if [ "$#" -ne 1 ]; then
echo "Usage: $0 <target-dir>"
exit 1
fi
TARGET_DIR="$1"
TARGET_ABS="$(cd "$TARGET_DIR" && pwd)"
COMMON_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
BASENAME="$(basename "$TARGET_ABS")"
BUILD_DIR="$TARGET_ABS/build"
DOCKERFILE="$TARGET_ABS/Dockerfile.alpine-musl"
if [ ! -f "$DOCKERFILE" ]; then
echo "ERROR: Missing Dockerfile: $DOCKERFILE"
exit 1
fi
if ! command -v docker >/dev/null 2>&1; then
echo "ERROR: docker is not installed or not in PATH"
exit 1
fi
if ! docker info >/dev/null 2>&1; then
echo "ERROR: docker daemon is not reachable"
exit 1
fi
HOST_ARCH="$(uname -m)"
REQUESTED_ARCH="${ARCH:-}"
if [ -n "$REQUESTED_ARCH" ]; then
case "$REQUESTED_ARCH" in
arm64|aarch64)
PLATFORM="linux/arm64"
OUTPUT_ARCH="arm64"
;;
amd64|x86_64)
PLATFORM="linux/amd64"
OUTPUT_ARCH="x86_64"
;;
*)
echo "ERROR: Unsupported ARCH='$REQUESTED_ARCH' (supported: arm64, amd64)"
exit 1
;;
esac
else
case "$HOST_ARCH" in
x86_64)
PLATFORM="linux/amd64"
OUTPUT_ARCH="x86_64"
;;
aarch64|arm64)
PLATFORM="linux/arm64"
OUTPUT_ARCH="arm64"
;;
*)
echo "WARNING: Unknown host architecture '$HOST_ARCH', defaulting to linux/amd64"
PLATFORM="linux/amd64"
OUTPUT_ARCH="$HOST_ARCH"
;;
esac
fi
OUTPUT_NAME="${BASENAME}_static_${OUTPUT_ARCH}"
BASE_IMAGE_TAG="n-os-tr/alpine-musl-base:3.19"
APP_IMAGE_TAG="n-os-tr/${BASENAME}-musl-builder:latest"
mkdir -p "$BUILD_DIR"
echo "=========================================="
echo "n-OS-tr Alpine/musl static build"
echo "=========================================="
echo "Target: $TARGET_ABS"
echo "Platform: $PLATFORM"
echo "Output: $BUILD_DIR/$OUTPUT_NAME"
echo ""
echo "[1/3] Building shared base image ($BASE_IMAGE_TAG)"
docker build \
--platform "$PLATFORM" \
-f "$COMMON_DIR/Dockerfile.alpine-musl" \
-t "$BASE_IMAGE_TAG" \
"$COMMON_DIR"
echo "[2/3] Building application image ($APP_IMAGE_TAG)"
docker build \
--platform "$PLATFORM" \
-f "$DOCKERFILE" \
-t "$APP_IMAGE_TAG" \
"$TARGET_ABS"
echo "[3/3] Extracting binary"
CONTAINER_ID="$(docker create "$APP_IMAGE_TAG" "/$BASENAME")"
trap 'docker rm -f "$CONTAINER_ID" >/dev/null 2>&1 || true' EXIT
docker cp "$CONTAINER_ID:/$BASENAME" "$BUILD_DIR/$OUTPUT_NAME"
chmod +x "$BUILD_DIR/$OUTPUT_NAME"
FILE_INFO="$(file "$BUILD_DIR/$OUTPUT_NAME")"
echo "$FILE_INFO"
if LDD_OUT="$(ldd "$BUILD_DIR/$OUTPUT_NAME" 2>&1 || true)"; then
echo "$LDD_OUT"
fi
echo "Built: $BUILD_DIR/$OUTPUT_NAME"
echo "Size: $(stat -c '%s bytes' "$BUILD_DIR/$OUTPUT_NAME")"