feat: add Makefile for building wasm-go easier (#184)

plugins/wasm-go/Makefile

@@ -0,0 +1,20 @@
+PLUGIN_NAME ?= hello-world
+REGISTRY ?=
+BUILD_TIME := $(shell date "+%Y%m%d-%H%M%S")
+COMMIT_ID := $(shell git rev-parse --short HEAD 2>/dev/null)
+IMG ?= ${REGISTRY}${PLUGIN_NAME}:${BUILD_TIME}-${COMMIT_ID}
+
+build:
+	DOCKER_BUILDKIT=1 docker build --build-arg PLUGIN_NAME=${PLUGIN_NAME} \
+	                               --build-arg THIS_ARCH=${THIS_ARCH} \
+	                               --build-arg GO_VERSION=${GO_VERSION} \
+	                               --build-arg TINYGO_VERSION=${TINYGO_VERSION} \
+	                               -t ${IMG} \
+	                               -f DockerfileBuilder \
+	                               --output extensions/${PLUGIN_NAME} .
+	@echo ""
+	@echo "image:            ${IMG}"
+	@echo "output wasm file: extensions/${PLUGIN_NAME}/plugin.wasm"
+
+build-push: build
+	docker push ${IMG}