Configure go releaser and build releases for tags

.github/workflows/go.yml

@@ -3,6 +3,7 @@ name: Go
 on:
   push:
     branches: [ master ]
+    tags: ['*']
   pull_request:
     branches: [ master ]
 
@@ -23,3 +24,36 @@ jobs:
 
     - name: Test
       run: go test -v ./...
+
+  publish:
+    needs: build
+    if: startsWith(github.ref, 'refs/tags/')
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Log in to Docker Hub
+        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+      -
+        name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.16
+      -
+        name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          # either 'goreleaser' (default) or 'goreleaser-pro'
+          distribution: goreleaser
+          version: latest
+          args: release --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          # Your GoReleaser Pro key, if you are using the 'goreleaser-pro' distribution
+          # GORELEASER_KEY: ${{ secrets.GORELEASER_KEY }}

.gitignore

@@ -14,3 +14,5 @@
 
 # misc
 *.tmp
+
+dist/

.goreleaser.yml

@@ -0,0 +1,48 @@
+# This is an example .goreleaser.yml file with some sane defaults.
+# Make sure to check the documentation at http://goreleaser.com
+before:
+  hooks:
+    # You may remove this if you don't use go modules.
+    - go mod tidy
+    # you may remove this if you don't need go generate
+    - go generate ./...
+builds:
+  - env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+    goarch:
+      - amd64
+      - arm
+      - arm64
+    flags:
+      - -trimpath      
+    ldflags:
+      - -s -w
+dockers:
+  - image_templates:
+    - "costela/docker-etchosts:{{ .Tag }}"
+    - "costela/docker-etchosts:{{ .Major }}"
+    - "costela/docker-etchosts:{{ .Major }}.{{ .Minor }}"
+    - "costela/docker-etchosts:latest"
+archives:
+  - format_overrides:
+      - goos: windows
+        format: zip
+    replacements:
+      darwin: mac    
+    format: binary
+checksum:
+  algorithm: sha512
+snapshot:
+  name_template: "{{ incpatch .Tag }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - '^docs:'
+      - '^test:'
+release:
+  draft: true
+  prerelease: auto
+

.travis.yml

@@ -1,43 +0,0 @@
-language: go
-
-dist: xenial
-
-go:
-  - "1.13"
-  - "1.x"
-  - "master"
-
-matrix:
-  allow_failures:
-    - go: "master"
-  fast_finish: true
-
-script: go test -v
-
-env:
-- GO111MODULE=on
-
-cache:
-  directories:
-    - /home/travis/gopath/pkg/mod
-
-install: true  # skip, handled by "cache" stage
-
-stages:
-  - cache
-  - test
-  - deploy
-
-jobs:
-  include:
-    - stage: cache
-      script: go mod download
-    - stage: deploy
-      script: skip
-      env:
-        - secure: "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"
-      deploy:
-        provider: script
-        script: 'curl -si -H "Content-Type: application/json" --data "{\"source_type\": \"Tag\", \"source_name\": \"${TRAVIS_TAG}\"}" -X POST https://registry.hub.docker.com/u/costela/docker-etchosts/trigger/${DOCKER_HUB_TOKEN}/'
-        on:
-          tags: true

Dockerfile

@@ -1,21 +1,3 @@
-FROM golang:1.13-alpine AS build
+FROM scratch
-
+ENTRYPOINT ["/docker-etchosts"]
-RUN apk add --update git
+COPY docker-etchosts /
-
-ENV CGO_ENABLED=0
-
-WORKDIR /app
-
-COPY go.mod go.sum ./
-
-RUN go mod download
-
-COPY *.go /app/
-
-RUN go build -v
-
-FROM alpine
-
-COPY --from=build /app/docker-etchosts /docker-etchosts
-
-CMD [ "/docker-etchosts" ]

go.sum

@@ -4,7 +4,6 @@ github.com/Microsoft/go-winio v0.4.9 h1:3RbgqgGVqmcpbOiwrjbVtDHLlJBGF6aE+yHmNtBN
 github.com/Microsoft/go-winio v0.4.9/go.mod h1:VhR8bwka0BXejwEJY73c50VrPtXAaKcyvVC4A4RozmA=
 github.com/cenkalti/backoff v2.1.1+incompatible h1:tKJnvO2kl0zmb/jA5UKAt4VoEVw1qxKWjE/Bpp46npY=
 github.com/cenkalti/backoff v2.1.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=