reference implementation of go app

Makefile

@@ -0,0 +1,63 @@
+CMD_NAME := demo-app # TODO: Update app name
+
+.PHONY: all test build docker install clean proto check_protoc
+
+VERSION ?= development # Default to "development" if VERSION is not set
+APIVERSION := v1alpha1
+API_DIR := api/$(APIVERSION)
+PROTO_DIRS := $(wildcard proto/demo/app/*) # TODO: Update path (probably not demo)
+PLATFORMS := linux/amd64 linux/arm64 darwin/amd64 darwin/arm64
+OUTPUT_DIR := bin
+VER_PKG := gitea.libretechconsulting.com/rmcguire/go-app/pkg/config.Version
+DOCKER_IMG := gitea.libretechconsulting.com/rmcguire/go-http-server-with-otel
+
+all: proto test build docker
+
+proto: check_protoc $(API_DIR)
+	protoc --proto_path=proto --proto_path=proto/google \
+		--go_out=$(API_DIR) --go_opt=paths=source_relative \
+		--go-grpc_out=$(API_DIR) --go-grpc_opt=paths=source_relative \
+		--grpc-gateway_out=$(API_DIR) --grpc-gateway_opt=paths=source_relative \
+		--openapiv2_out=$(API_DIR) \
+		$(foreach dir, $(PROTO_DIRS), $(wildcard $(dir)/*.proto))
+
+test:
+	go test -v ./...
+
+build: test
+		@echo "Building for platforms: $(PLATFORMS)"
+	@for platform in $(PLATFORMS); do \
+		OS=$$(echo $$platform | cut -d/ -f1); \
+		ARCH=$$(echo $$platform | cut -d/ -f2); \
+		OUTPUT="$(OUTPUT_DIR)/$(CMD_NAME)-$$OS-$$ARCH"; \
+		GOOS=$$OS GOARCH=$$ARCH go build -ldflags "-X $(VER_PKG)=$(VERSION)" -o $$OUTPUT; \
+		echo "Built $$OUTPUT"; \
+	done
+	go build -ldflags "-X $(VER_PKG)=$(VERSION)" -o bin/${CMD_NAME}
+
+schema:
+	go run . -schema > contrib/schema.json
+
+docker:
+	@echo "Building Docker image $(DOCKER_IMG):$(VERSION)"
+	docker build \
+		--build-arg VER_PKG=$(VER_PKG) \
+		--build-arg VERSION=$(VERSION) \
+		-t $(DOCKER_IMG):$(VERSION) .
+	docker push $(DOCKER_IMG):$(VERSION)
+
+install:
+	go install -v -ldflags "-X $(VER_PKG)=$(VERSION)" .
+
+clean:
+	rm -rf bin/${CMD_NAME}
+
+check_protoc:
+	@if ! command -v protoc-gen-go > /dev/null; then \
+		echo "Error: protoc-gen-go not found in PATH"; \
+		exit 1; \
+	fi
+	@if ! command -v protoc-gen-go-grpc > /dev/null; then \
+		echo "Error: protoc-gen-go-grpc not found in PATH"; \
+		exit 1; \
+	fi