Add build in container option to Makefile

Travis will build without container

Author: ismael_serrano

.travis.yml

@@ -4,6 +4,9 @@ services:
 - docker
 go:
 - "1.10"
+script:
+- echo "Nginx ASG sync - commit:${TRAVIS_COMMIT}"
+- make BUILD_IN_CONTAINER=0 all
 before_install:
 - echo "PR Slug:${TRAVIS_PULL_REQUEST_SLUG}"
 - if [[ "${TRAVIS_PULL_REQUEST_SLUG}" == "nginxinc/nginx-asg-sync" || "${TRAVIS_PULL_REQUEST}" == "false" ]]; then

Makefile

@@ -1,13 +1,22 @@
 GO_DOCKER_RUN = docker run --rm -v $(shell pwd):/go/src/github.com/nginxinc/nginx-asg-sync -v $(shell pwd)/build_output:/build_output -w /go/src/github.com/nginxinc/nginx-asg-sync/cmd/sync
 GOLANG_CONTAINER = golang:1.10
+BUILD_IN_CONTAINER = 1
 
 all: amazon centos7 ubuntu-trusty ubuntu-xenial
 
 test:
+ifeq ($(BUILD_IN_CONTAINER),1)
 	$(GO_DOCKER_RUN) $(GOLANG_CONTAINER) go test
+else
+	go test ./...
+endif
 
 compile: test
+ifeq ($(BUILD_IN_CONTAINER),1)
 	$(GO_DOCKER_RUN) $(GOLANG_CONTAINER) go build -o /build_output/nginx-asg-sync
+else
+	go build -o ./build_output/nginx-asg-sync github.com/nginxinc/nginx-asg-sync/cmd/sync
+endif
 
 amazon: compile
 	make -C build/package/builders/amazon/