core/go

generated from lthn/LEM

Snider 8601e5b355 docs: add example.md files for all CLI commands

Each command directory now has both index.md (reference) and
example.md (usage examples and configuration samples).

Also adds exception for docs/cmd/build in .gitignore.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

2026-01-29 14:58:54 +00:00

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core build

Build Go, Wails, Docker, and LinuxKit projects with automatic project detection.

Subcommands

Command	Description
sdk	Generate API SDKs from OpenAPI

Usage

core build [flags]

Flags

Flag	Description
`--type`	Project type: `go`, `wails`, `docker`, `linuxkit` (auto-detected)
`--targets`	Build targets: `linux/amd64,darwin/arm64,windows/amd64`
`--output`	Output directory (default: `dist`)
`--ci`	CI mode - non-interactive, fail fast
`--image`	Docker image name (for docker builds)
`--no-sign`	Skip code signing
`--notarize`	Enable macOS notarization (requires Apple credentials)

Examples

Go Project

# Auto-detect and build
core build

# Build for specific platforms
core build --targets linux/amd64,linux/arm64,darwin/arm64

# CI mode
core build --ci

Wails Project

# Build Wails desktop app
core build --type wails

# Build for all desktop platforms
core build --type wails --targets darwin/amd64,darwin/arm64,windows/amd64,linux/amd64

Docker Image

# Build Docker image
core build --type docker

# With custom image name
core build --type docker --image ghcr.io/myorg/myapp

LinuxKit Image

# Build LinuxKit ISO
core build --type linuxkit

Project Detection

Core automatically detects project type based on files:

Files	Type
`wails.json`	Wails
`go.mod`	Go
`Dockerfile`	Docker
`composer.json`	PHP
`package.json`	Node

Output

Build artifacts are placed in dist/ by default:

dist/
├── myapp-linux-amd64.tar.gz
├── myapp-linux-arm64.tar.gz
├── myapp-darwin-amd64.tar.gz
├── myapp-darwin-arm64.tar.gz
├── myapp-windows-amd64.zip
└── CHECKSUMS.txt

Configuration

Optional .core/build.yaml:

version: 1

project:
  name: myapp
  binary: myapp

build:
  main: ./cmd/myapp
  ldflags:
    - -s -w
    - -X main.version={{.Version}}

targets:
  - os: linux
    arch: amd64
  - os: linux
    arch: arm64
  - os: darwin
    arch: arm64

sign:
  enabled: true
  gpg:
    key: $GPG_KEY_ID
  macos:
    identity: "Developer ID Application: Your Name (TEAM_ID)"
    notarize: false
    apple_id: $APPLE_ID
    team_id: $APPLE_TEAM_ID
    app_password: $APPLE_APP_PASSWORD

Code Signing

Core supports GPG signing for checksums and native code signing for macOS.

GPG Signing

Signs CHECKSUMS.txt with a detached ASCII signature (.asc):

# Build with GPG signing (default if key configured)
core build

# Skip signing
core build --no-sign

Users can verify:

gpg --verify CHECKSUMS.txt.asc CHECKSUMS.txt
sha256sum -c CHECKSUMS.txt

macOS Code Signing

Signs Darwin binaries with your Developer ID and optionally notarizes with Apple:

# Build with codesign (automatic if identity configured)
core build

# Build with notarization (takes 1-5 minutes)
core build --notarize

Environment Variables

Variable	Purpose
`GPG_KEY_ID`	GPG key ID or fingerprint
`CODESIGN_IDENTITY`	macOS Developer ID (fallback)
`APPLE_ID`	Apple account email
`APPLE_TEAM_ID`	Apple Developer Team ID
`APPLE_APP_PASSWORD`	App-specific password for notarization

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