Test of eawsy/aws-lambda-go-net serverless Go deployment

.gitignore

handler.so
handler.zip
deploy.out.yml

deploy.yml

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Resources:
  Function:
    Type: AWS::Serverless::Function
    Properties:
      Handler: handler.Handle
      Runtime: python2.7
      CodeUri: ./handler.zip
      Events:
        ApiRoot:
          Type: Api
          Properties:
            Path: /
            Method: ANY
        ApiGreedy:
          Type: Api
          Properties:
            Path: /{proxy+}
            Method: ANY
Outputs:
  URL:
    Value: !Sub "https://${ServerlessRestApi}.execute-api.${AWS::Region}.amazonaws.com/Prod"

handler.go

package main

import (
	"net/http"

	"github.com/eawsy/aws-lambda-go-net/service/lambda/runtime/net"
	"github.com/eawsy/aws-lambda-go-net/service/lambda/runtime/net/apigatewayproxy"
)

// Handle is the exported handler called by AWS Lambda.
var Handle apigatewayproxy.Handler

func init() {
	ln := net.Listen()

	// Amazon API Gateway binary media types are supported out of the box.
	// If you don't send or receive binary data, you can safely set it to nil.
	Handle = apigatewayproxy.New(ln, []string{"image/png"}).Handle

	// Any Go framework complying with the Go http.Handler interface can be used.
	// This includes, but is not limited to, Vanilla Go, Gin, Echo, Gorrila, Goa, etc.
	go http.Serve(ln, http.HandlerFunc(handle))
}

func handle(res http.ResponseWriter, r *http.Request) {
	res.Header().Set("Content-Type", "text/html")
	res.Write([]byte("<strong>Hello, World!</strong>"))
}

Makefile

#
# This is free and unencumbered software released into the public domain.
#
# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.
#
# In jurisdictions that recognize copyright laws, the author or authors
# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
# of the public at large and to the detriment of our heirs and
# successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to this
# software under copyright law.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
#
# For more information, please refer to <http://unlicense.org/>
#

HANDLER ?= handler
PACKAGE ?= $(HANDLER)

ifeq ($(OS),Windows_NT)
	GOPATH ?= $(USERPROFILE)/go
	GOPATH := /$(subst ;,:/,$(subst \,/,$(subst :,,$(GOPATH))))
	CURDIR := /$(subst :,,$(CURDIR))
	RM := del /q
else
	GOPATH ?= $(HOME)/go
	RM := rm -f
endif

MAKEFILE = $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))

docker:
	docker run --rm -i \
		-e HANDLER=$(HANDLER) \
		-e PACKAGE=$(PACKAGE) \
		-e GOPATH=$(GOPATH) \
		-e LDFLAGS='$(LDFLAGS)' \
		-v $(CURDIR):$(CURDIR) \
		$(foreach GP,$(subst :, ,$(GOPATH)),-v $(GP):$(GP)) \
		-w $(CURDIR) \
		eawsy/aws-lambda-go-shim:latest make -f $(MAKEFILE) all

.PHONY: docker

all: build pack perm

.PHONY: all

build:
	go build -buildmode=plugin -ldflags='-w -s $(LDFLAGS)' -o $(HANDLER).so

.PHONY: build

pack:
	pack $(HANDLER) $(HANDLER).so $(PACKAGE).zip

.PHONY: pack

perm:
	chown $(shell stat -c '%u:%g' .) $(HANDLER).so $(PACKAGE).zip

.PHONY: perm

clean:
	$(RM) $(HANDLER).so $(PACKAGE).zip

.PHONY: clean

### --- ADJUSTED --- ###

STACK_NAME ?= $(notdir $(CURDIR))
SERVERLESS_BUCKET ?= nobucket

deploy: docker
	aws cloudformation package \
		--template-file deploy.yml \
		--output-template-file deploy.out.yml \
		--s3-bucket $(SERVERLESS_BUCKET)
	aws cloudformation deploy \
		--template-file deploy.out.yml \
		--capabilities CAPABILITY_IAM \
		--stack-name $(STACK_NAME)
	aws cloudformation describe-stacks \
		--stack-name $(STACK_NAME) \
		--query Stacks[0].Outputs[0]

undeploy:
	aws cloudformation delete-stack \
		--stack-name $(STACK_NAME)