Enables fully statically linked binary

Ensures a fully self-contained AWS Lambda deployment and reduces runtime dependencies

Author: Twsouza

.gitignore

@@ -6,5 +6,6 @@ profile.out
 cmd/convox/pkg
 provider/aws/lambda/autoscale/handler
 provider/aws/lambda/autoscale/lambda.zip
+provider/aws/lambda/autoscale/bootstrap
 .vscode/
 .DS_Store

provider/aws/lambda/autoscale/Makefile

@@ -8,7 +8,7 @@ lambda.zip: handler
 	zip -r lambda.zip bootstrap
 
 handler: *.go
-	GOOS=linux GOARCH=amd64 go build -o bootstrap
+	GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -ldflags="-extldflags=-static" -o bootstrap
 
 clean:
 	rm -f lambda.zip bootstrap