chore/fix: switch release pipeline to goreleaser & ghcr.io (#43)

* chore: add goreleaser config + adapt Dockerfile
* chore: cleanup makefile and deprecated pipeline
* chore: go mod tidy -go=1.19
* feat: add release pipeline

---------

Signed-off-by: Matthias Riegler <me@xvzf.tech>

.github/workflows/docker.yml

@@ -1,57 +0,0 @@
-# https://github.com/marketplace/actions/build-and-push-docker-images#git-context
-name: docker
-
-
-on:
-  push:
-    branches:
-      - 'master'
-    tags:
-      - 'v*'
-  pull_request:
-    branches:
-      - 'master'
-
-jobs:
-  docker:
-    runs-on: ubuntu-latest
-    steps:
-      -
-        name: Checkout
-        uses: actions/checkout@v2
-      -
-        name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
-      -
-        name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
-      -
-        name: Docker meta
-        id: meta
-        uses: docker/metadata-action@v3
-        with:
-          images: jsonnetlibs/docsonnet
-          tags: |
-            type=ref,event=branch
-            type=ref,event=pr
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-      -
-        if: ${{ github.repository == 'jsonnet-libs/docsonnet' }}
-        name: Login to DockerHub
-        uses: docker/login-action@v1 
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-      -
-        name: Build and push
-        id: docker_build
-        uses: docker/build-push-action@v2
-        with:
-          context: .
-          push: ${{ github.event_name != 'pull_request' && github.repository == 'jsonnet-libs/docsonnet' }}
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
-      -
-        name: Image digest
-        run: echo ${{ steps.docker_build.outputs.digest }}

.github/workflows/go-release.yml

@@ -1,21 +0,0 @@
-on:
-  release:
-    types: [created]
-
-jobs:
-  releases-matrix:
-    name: Release Go Binary
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        # build and publish in parallel: linux/386, linux/amd64, windows/386, windows/amd64, darwin/386, darwin/amd64
-        goos: [linux, darwin]
-        goarch: [amd64, arm64]
-    steps:
-      - uses: actions/checkout@v2
-      - uses: wangyoucao577/go-release-action@v1.15
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          goos: ${{ matrix.goos }}
-          goarch: ${{ matrix.goarch }}
-          goversion: "https://golang.org/dl/go1.16.2.linux-amd64.tar.gz"

.github/workflows/go-releaser.yml

@@ -0,0 +1,52 @@
+name: goreleaser
+
+on:
+  push:
+    tags:
+      - "*"
+
+permissions:
+  contents: write
+  packages: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: 1.19
+
+      # Get values for cache paths to be used in later steps
+      - id: go-cache-paths
+        run: |
+          echo "::set-output name=go-build::$(go env GOCACHE)"
+          echo "::set-output name=go-mod::$(go env GOMODCACHE)"
+
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      # Cache go build cache, used to speedup go test
+      - name: Go Build Cache
+        uses: actions/cache@v2
+        with:
+          path: ${{ steps.go-cache-paths.outputs.go-build }}
+          key: ${{ runner.os }}-go-build-${{ hashFiles('**/go.sum') }}
+            #
+      # Cache go mod cache, used to speedup builds
+      - name: Go Mod Cache
+        uses: actions/cache@v2
+        with:
+          path: ${{ steps.go-cache-paths.outputs.go-mod }}
+          key: ${{ runner.os }}-go-mod-${{ hashFiles('**/go.sum') }}
+      # Run goreleaser; this one creates the GH release and pushes the images
+      - name: Run GoReleaser
+        id: goreleaser-id
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          distribution: goreleaser
+          version: latest
+          args: release --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}