add goreleaser

.gitignore

@@ -4,6 +4,9 @@
 # binaries
 out/
 
+# releases
+dist/
+
 # config files
 config.yaml
 

.goreleaser.yml

@@ -0,0 +1,32 @@
+before:
+  hooks:
+    - go mod download
+builds:
+  - main: ./cmd/darkroom/
+    goos:
+      - linux
+      - darwin
+      - windows
+    goarch:
+      - amd64
+      - 386
+env:
+  - CGO_ENABLED=0
+archives:
+- replacements:
+    darwin: macOS
+    linux: Linux
+    windows: Windows
+    386: 32-bit
+    amd64: 64-bit
+  format: zip
+checksum:
+  name_template: 'checksums.txt'
+snapshot:
+  name_template: "{{ .Tag }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+    - '^docs:'
+    - '^test:'

.travis.yml

@@ -1,8 +1,12 @@
 language: go
 go: '1.12.x'
+services:
+  - docker
 
 stages:
   - test
+  - name: release
+    if: (repo == gojek/darkroom) AND (branch == master) AND (tag IS present)
 
 env:
   global:
@@ -11,11 +15,27 @@ env:
 install: echo "Skip global `install` ..."
 script: echo "Skip global `script` ..."
 
+build_docker_image: &build_docker_image
+  before_script:
+    - |
+      docker build -f build/Dockerfile .
+      [ ! -z $TRAVIS_TAG ] && docker tag gojek/darkroom:$DOCKER_LATEST gojek/darkroom:$TRAVIS_TAG
+      [ ! -z $TRAVIS_TAG ] && docker tag gojek/darkroom:$TRAVIS_TAG gojek/darkroom:$DOCKER_LATEST
+      [ ! -z $DOCKER_PASSWORD ] && echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
+      docker images
+
 jobs:
   include:
     - stage: test
       install: make setup
-      script: make ci
+      script: make test-ci
+
+    - stage: release
+    - name: "Release Builds"
+      script: curl -sL https://git.io/goreleaser | bash -s -- --rm-dist --skip-validate
+    - name: "Docker Builds"
+     <<: *build_docker_image
+     script: docker push gojek/darkroom:$TRAVIS_TAG && docker push gojek/darkroom:$DOCKER_LATEST
 
 notifications:
   email: false

Makefile

@@ -1,7 +1,7 @@
 APP=darkroom
 APP_EXECUTABLE="./out/$(APP)"
 
-all: ci
+all: test-ci
 
 setup:
 	go get -u golang.org/x/lint/golint
@@ -11,7 +11,7 @@ compile:
 	mkdir -p out
 	go build -o $(APP_EXECUTABLE) ./cmd/darkroom/main.go
 
-lint: setup
+lint:
 	golint ./... | { grep -vwE "exported (var|function|method|type|const) \S+ should have comment" || true; }
 
 format:
@@ -31,10 +31,9 @@ test-cov-report:
 	gocov report coverage.json
 
 copy-config:
-	mkdir -p out
 	cp config.yaml.example config.yaml
 
 docker-image:
 	docker build -t ${USER}/darkroom:latest -f build/Dockerfile .
 
-ci: copy-config compile lint format vet test test-cov test-cov-report
+test-ci: copy-config compile lint format vet test test-cov test-cov-report