feat: add Docker build

Makefile

@@ -0,0 +1,45 @@
+.PHONY: build run clean docker-build docker-run docker-push
+
+# Build the application
+build:
+	go build -o spore-gateway main.go
+
+# Run the application
+run:
+	go run main.go
+
+# Clean build artifacts
+clean:
+	rm -f spore-gateway
+
+# Format code
+fmt:
+	go fmt ./...
+
+# Lint code (requires golangci-lint)
+lint:
+	golangci-lint run
+
+# Install dependencies
+deps:
+	go mod download
+	go mod tidy
+
+# Docker variables
+DOCKER_REGISTRY ?= 
+IMAGE_NAME = wirelos/spore-gateway
+IMAGE_TAG ?= latest
+FULL_IMAGE_NAME = $(if $(DOCKER_REGISTRY),$(DOCKER_REGISTRY)/$(IMAGE_NAME),$(IMAGE_NAME)):$(IMAGE_TAG)
+
+# Build Docker image
+docker-build:
+	docker build -t $(FULL_IMAGE_NAME) .
+
+# Run Docker container
+docker-run:
+	docker run --network host --rm $(FULL_IMAGE_NAME)
+
+# Push Docker image
+docker-push:
+	docker push $(FULL_IMAGE_NAME)
+