Start using goreleaser.

Signed-off-by: Matt Moyer <moyer@heptio.com>

.gitignore

@@ -1,2 +1 @@
-/heptio-authenticator-aws
-/heptio-authenticator-aws-osx
+/dist

.goreleaser.yaml

@@ -0,0 +1,32 @@
+# Configuration for https://goreleaser.com/
+project_name: authenticator
+
+builds:
+  - binary: heptio-authenticator-aws
+    main: ./cmd/heptio-authenticator-aws/root.go
+    goos:
+      - darwin
+      - linux
+    goarch:
+      - amd64
+    env:
+      - CGO_ENABLED=0
+
+dockers:
+  - image: gcr.io/heptio-images/authenticator
+    extra_files:
+      - ca-certificates.crt
+
+snapshot:
+  name_template: "git-{{.Commit}}"
+
+archive:
+  format: binary
+
+release:
+  github:
+    owner: heptio
+    name: authenticator
+  draft: true
+  prerelease: true
+  name_template: "v{{.Version}}"

.travis.yml

@@ -3,11 +3,13 @@ go_import_path: github.com/heptio/authenticator
 go:
   - 1.9.x
 
-sudo: false
+sudo: required
+
+services:
+  - docker
 
 install:
-  - go get -u github.com/golang/dep/cmd/dep
-    && dep ensure -vendor-only -v
+  - go get github.com/goreleaser/goreleaser
 
 script:
-  - go install -v ./... && go test ./...
+  - make build test

Makefile

@@ -1,22 +1,21 @@
 default: build
 
-CMD_IMPORT ?= github.com/heptio/authenticator/cmd/heptio-authenticator-aws
-REPO ?= gcr.io/heptio-images/authenticator
-VERSION ?= v0.1.0
+GORELEASER := $(shell command -v goreleaser 2> /dev/null)
 
-.PHONY: build push build-container
+.PHONY: build test format
 
-build: build-container heptio-authenticator-aws-osx
+build: ca-certificates.crt
+ifndef GORELEASER
+	$(error "goreleaser not found (`go get -u -v github.com/goreleaser/goreleaser` to fix)")
+endif
+	$(GORELEASER) --skip-publish --rm-dist --snapshot
 
-heptio-authenticator-aws-osx:
-	CGO_ENABLED=0 GOOS=darwin GOARCH=amd64 go build -o heptio-authenticator-aws $(CMD_IMPORT)
+# pull ca-certificates.crt from Alpine
+ca-certificates.crt:
+	docker run -v "$$PWD":/out --rm --tty -i alpine:latest /bin/sh -c "apk add --update ca-certificates && cp /etc/ssl/certs/ca-certificates.crt /out/"
 
-build-container:
-	CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o heptio-authenticator-aws $(CMD_IMPORT)
-	docker build . -t $(REPO):$(VERSION)
-
-push:
-	docker push $(REPO):$(VERSION)
+test:
+	go test -v ./...
 
 format:
 	test -z "$$(find . -path ./vendor -prune -type f -o -name '*.go' -exec gofmt -d {} + | tee /dev/stderr)" || \