chore: add Makefile for common development workflows

Makefile

@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: GPL-2.0-only
+# Makefile for LicenseDB
+# Usage: make <target>
+
+.PHONY: help setup install generate build run migrate test docker-up docker-down docker-logs clean
+
+APP_NAME := laas
+DOCKER_SERVICE := licensedb
+MIGRATION_PATH := pkg/db/migrations
+DB_URL := postgres://fossy:fossy@localhost:5432/licensedb?sslmode=disable
+
+## Show available commands
+help:
+	@echo ""
+	@echo "LicenseDB - available make targets:"
+	@echo ""
+	@echo "  setup        Install deps, generate code, and build"
+	@echo "  install      Download Go dependencies"
+	@echo "  generate     Generate Go code"
+	@echo "  build        Build LicenseDB binary"
+	@echo "  run          Run LicenseDB locally"
+	@echo "  migrate      Run database migrations"
+	@echo "  test         Run test suite"
+	@echo "  docker-up    Start services using Docker Compose"
+	@echo "  docker-down  Stop Docker Compose services"
+	@echo "  docker-logs  Follow LicenseDB container logs"
+	@echo "  clean        Remove built artifacts"
+	@echo ""
+
+## Install Go dependencies
+install:
+	go mod download
+
+## Generate Go structs (external reference fields)
+generate:
+	go generate ./...
+
+## Build the LicenseDB binary
+build:
+	go build -o $(APP_NAME) ./cmd/laas
+
+## Run LicenseDB locally
+run:
+	go run ./cmd/laas
+
+## Run database migrations (requires golang-migrate CLI)
+migrate:
+	migrate -path $(MIGRATION_PATH) -database "$(DB_URL)" up
+
+## Run Go tests
+test:
+	go test ./... -v
+
+## Setup local development environment
+setup: install generate build
+	@echo "Local development setup completed."
+
+## Start services using Docker Compose
+docker-up:
+	docker compose up -d
+
+## Stop Docker Compose services
+docker-down:
+	docker compose down
+
+## Follow LicenseDB container logs
+docker-logs:
+	docker logs -f $(DOCKER_SERVICE)
+
+## Clean build artifacts
+clean:
+	rm -f $(APP_NAME)