Add goreleaser

.github/CODEOWNERS

@@ -0,0 +1,5 @@
+# These owners will be the default owners for everything in the repo.
+# Unless a later match takes precedence, @o1egl will be requested for
+# review when someone opens a pull request.
+
+*       @o1egl

.github/workflows/main.yaml

@@ -0,0 +1,61 @@
+name: main
+
+on:
+  push:
+    branches: [ master ]
+    tags: v*
+  pull_request:
+    branches:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.16
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v2
+        with:
+          version: v1.37.1
+          skip-go-installation: true
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.16
+      - name: Test
+        run: go test -race -timeout=60s -v -coverprofile=coverage.txt -covermode=atomic ./...
+      - uses: codecov/codecov-action@v1
+        with:
+          file: ./coverage.txt
+  release:
+    runs-on: ubuntu-latest
+    needs: [lint, test]
+    if: startsWith(github.event.ref, 'refs/tags/v')
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.16
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          version: latest
+          args: release --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GH_PAT }}

.gitignore

@@ -2,4 +2,5 @@
 build/
 .idea
 vendor
-coverage.txt
+coverage.txt
+dist/

Dockerfile

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+FROM alpine:latest as alpine
+RUN apk --update add ca-certificates
+RUN apk --update add mailcap
+
+FROM scratch
+COPY --from=alpine /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
+COPY --from=alpine /etc/mime.types /etc/mime.types
+
+VOLUME /data
+
+COPY govatar /govatar
+
+ENTRYPOINT [ "/govatar" ]

goreleaser.yaml

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+project_name: govatar
+
+before:
+  hooks:
+    - go mod download
+
+build:
+  env:
+    - CGO_ENABLED=0
+  ldflags:
+    - -s -w -X main.version={{ .Version }}
+  main: govatar/main.go
+  binary: govatar
+  goos:
+    - darwin
+    - linux
+    - windows
+    - freebsd
+  goarch:
+    - amd64
+    - 386
+    - arm
+    - arm64
+  goarm:
+    - 5
+    - 6
+    - 7
+  ignore:
+    - goos: darwin
+      goarch: 386
+    - goos: freebsd
+      goarch: arm
+
+archives:
+  -
+    name_template: "{{.Os}}-{{.Arch}}{{if .Arm}}v{{.Arm}}{{end}}-{{ .ProjectName }}"
+    format: tar.gz
+    format_overrides:
+      - goos: windows
+        format: zip
+
+dockers:
+  -
+    dockerfile: Dockerfile
+    goos: linux
+    goarch: amd64
+    goarm: ''
+    image_templates:
+      - "o1egl/govatar:latest"
+      - "o1egl/govatar:{{ .Tag }}"
+      - "o1egl/govatar:v{{ .Major }}"
+    build_flag_templates:
+      - "--pull"
+      - "--label=org.opencontainers.image.created={{.Date}}"
+      - "--label=org.opencontainers.image.authors=Oleg Lobanov"
+      - "--label=org.opencontainers.image.title={{.ProjectName}}"
+      - "--label=org.opencontainers.image.revision={{.FullCommit}}"
+      - "--label=org.opencontainers.image.version={{.Version}}"
+
+brews:
+  - name: govatar
+    tap:
+      owner: o1egl
+      name: homebrew-tap
+    folder: Formula
+    homepage: https://github.com/o1egl/govatar
+    commit_author:
+      name: Oleg Lobanov
+      email: [email protected]
+    description: GOvatar is an avatar generation library written in GO
+    license: "MIT"