use goreleaser for releases

.github/workflows/release.yaml

@@ -10,62 +10,26 @@ jobs:
     name: Release
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - name: Setup go
-        uses: actions/[email protected]
-        with:
-          go-version: '1.16.x'
-      - name: Create release artifacts
-        run: make release
-        env:
-          GOPATH: ${{ github.workspace }}/go
-      - name: Create Github Release
-        id: create_release
-        uses: actions/create-release@v1
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Checkout
+        uses: actions/checkout@v2
         with:
-          tag_name: ${{ github.ref }}
-          release_name: ${{ github.ref }}
-          draft: false
-          prerelease: false
-      - name: Upload release artifacts (Mac OS amd64)
-        id: upload-release-asset-mac
-        uses: actions/upload-release-asset@v1
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          fetch-depth: 0
+
+      - name: Setup go
+        uses: actions/setup-go@v2
         with:
-          upload_url: ${{ steps.create_release.outputs.upload_url }}
-          asset_path: build/prometheus-etherpad-exporter-darwin-amd64
-          asset_name: prometheus-etherpad-exporter-darwin-amd64
-          asset_content_type: application/octet-stream
-      - name: Upload release artifacts (FreeBSD amd64)
-        id: upload-release-asset-freebsd
-        uses: actions/upload-release-asset@v1
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          go-version: 1.16.x
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
         with:
-          upload_url: ${{ steps.create_release.outputs.upload_url }}
-          asset_path: build/prometheus-etherpad-exporter-freebsd-amd64
-          asset_name: prometheus-etherpad-exporter-freebsd-amd64
-          asset_content_type: application/octet-stream
-      - name: Upload release artifacts (Linux amd64)
-        id: upload-release-asset-linux
-        uses: actions/upload-release-asset@v1
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Release
+        uses: goreleaser/goreleaser-action@v2
         with:
-          upload_url: ${{ steps.create_release.outputs.upload_url }}
-          asset_path: build/prometheus-etherpad-exporter-linux-amd64
-          asset_name: prometheus-etherpad-exporter-linux-amd64
-          asset_content_type: application/octet-stream
-      - name: Upload release artifacts (shasums)
-        id: upload-release-asset-sha512sums
-        uses: actions/upload-release-asset@v1
+          version: latest
+          args: release --rm-dist
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        with:
-          upload_url: ${{ steps.create_release.outputs.upload_url }}
-          asset_path: build/sha512sums.txt
-          asset_name: sha512sums.txt
-          asset_content_type: application/octet-stream

.gitignore

@@ -1 +1,2 @@
 build
+dist/

.goreleaser.yml

@@ -0,0 +1,34 @@
+before:
+  hooks:
+    - go mod tidy
+builds:
+  - env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+      - windows
+      - darwin
+    goarm:
+      - 6
+      - 7
+    ldflags:
+      - -s -w
+dockers:
+  -
+    goos: linux
+    goarch: amd64
+    image_templates:
+      - "systemli/prometheus-etherpad-exporter:{{ .Tag }}"
+      - "systemli/prometheus-etherpad-exporter:{{ .Major }}"
+      - "systemli/prometheus-etherpad-exporter:{{ .Major }}.{{ .Minor }}"
+      - "systemli/prometheus-etherpad-exporter:latest"
+checksum:
+  name_template: 'checksums.txt'
+snapshot:
+  name_template: "{{ .Tag }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - '^docs:'
+      - '^test:'

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.16.2-alpine as builder
+FROM alpine:3.12 as builder
 
 WORKDIR /go/src/github.com/systemli/prometheus-etherpad-exporter
 
@@ -14,18 +14,12 @@ RUN adduser \
     --uid "${UID}" \
     "${USER}"
 
-ADD . /go/src/github.com/systemli/prometheus-etherpad-exporter
-RUN go get -d -v && \
-    go mod download && \
-    go mod verify && \
-    CGO_ENABLED=0 go build -ldflags="-w -s" -o /prometheus-etherpad-exporter
-
 
 FROM scratch
 
 COPY --from=builder /etc/passwd /etc/passwd
 COPY --from=builder /etc/group /etc/group
-COPY --from=builder /prometheus-etherpad-exporter /prometheus-etherpad-exporter
+COPY prometheus-etherpad-exporter /prometheus-etherpad-exporter
 
 USER appuser:appuser
 

Makefile

@@ -39,6 +39,7 @@ release:
 	shasum -a 512 build/* > build/sha512sums.txt
 
 docker:
+	$(GOBUILD) -o $(BINARY_NAME) -v
 	docker build --rm --force-rm --no-cache -t systemli/prometheus-jitsi-meet-exporter .
 
 .PHONY: all vet test coverage clean build run release docker

go.mod

@@ -3,7 +3,7 @@ module github.com/systemli/prometheus-etherpad-exporter
 go 1.16
 
 require (
-	github.com/google/go-cmp v0.5.5 // indirect
-	github.com/sirupsen/logrus v1.8.1 // indirect
+	github.com/google/go-cmp v0.5.5
+	github.com/sirupsen/logrus v1.8.1
 	golang.org/x/sys v0.0.0-20210320140829-1e4c9ba3b0c4 // indirect
 )

go.sum

@@ -1,12 +1,15 @@
+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=
 github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
 github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
+github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-golang.org/x/sys v0.0.0-20191026070338-33540a1f6037 h1:YyJpGZS1sBuBCzLAR1VEpK193GlqGZbnPFnPV/5Rsb4=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210320140829-1e4c9ba3b0c4 h1:EZ2mChiOa8udjfp6rRmswTbtZN/QzUQp4ptM4rnjHvc=
 golang.org/x/sys v0.0.0-20210320140829-1e4c9ba3b0c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=