added example to run in Lambda

Author: gojko

example/.gitignore

@@ -0,0 +1 @@
+output.yaml

example/Makefile

@@ -1,17 +1,17 @@
 STACK_NAME ?= imagemagick-layer-example
 IMAGE_MAGICK_STACK_NAME ?= imagemagick-layer
 
-IMAGEMAGICK_LAYER ?=(shell aws cloudformation describe-stacks --stack-name $(IMAGE_MAGICK_STACK_NAME) --query Stacks[].Outputs[].OutputValue --output text)
+IMAGEMAGICK_LAYER ?=$(shell aws cloudformation describe-stacks --stack-name $(IMAGE_MAGICK_STACK_NAME) --query Stacks[].Outputs[].OutputValue --output text)
 SOURCES=$(shell find src/)
 
 clean: 
 	rm -rf build
 
-output.yml: template.yml $(SOURCES)
+output.yaml: template.yaml $(SOURCES)
 	mkdir -p build
-	aws cloudformation package --template-file $< --output-template-file $@ --s3-bucket $(DEPLOYMENT_BUCKET_NAME)
+	aws cloudformation package --template-file $< --output-template-file $@ --s3-bucket $(DEPLOYMENT_BUCKET)
 
-deploy: output.yml
+deploy: output.yaml
 	aws cloudformation deploy --template-file $< --stack-name $(STACK_NAME) --capabilities CAPABILITY_IAM --parameter-overrides ImageMagickLayer=$(IMAGEMAGICK_LAYER)
 	aws cloudformation describe-stacks --stack-name $(STACK_NAME) --query Stacks[].Outputs --output table