chore: switch to goreleaser for PR image builds

Author: smlx

.github/workflows/build.yaml

@@ -5,9 +5,12 @@ on:
     - main
 permissions: {}
 jobs:
-  build-snapshot:
+  build:
     permissions:
+      # checkout
       contents: read
+      # push PR image
+      packages: write
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
@@ -16,59 +19,20 @@ jobs:
     - uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6.0.0
       with:
         go-version: stable
-    - uses: goreleaser/goreleaser-action@e435ccd777264be153ace6237001ef4d979d3a7a # v6.4.0
-      id: goreleaser
-      with:
-        version: latest
-        args: build --clean --verbose --single-target --snapshot
-    - name: tar up binaries
-      run: tar -cvf dist.tar dist
-    - uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
-      with:
-        path: dist.tar
-  build-image:
-    permissions:
-      contents: read
-      packages: write
-    runs-on: ubuntu-latest
-    needs: build-snapshot
-    strategy:
-      matrix:
-        binary:
-        - go-cli-github
-        - another-binary
-    steps:
-    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-      with:
-        ref: ${{ github.event.pull_request.head.sha }}
-    - uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
-    - name: untar binaries
-      run: tar -xvf dist.tar
+    - uses: docker/setup-buildx-action@v3
     - name: Login to GHCR
-      if: github.actor != 'dependabot[bot]'
       uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
       with:
         registry: ghcr.io
         username: ${{ github.repository_owner }}
         password: ${{ secrets.GITHUB_TOKEN }}
-    - name: Get Docker metadata
-      if: github.actor != 'dependabot[bot]'
-      id: docker_metadata
-      uses: docker/metadata-action@c1e51972afc2121e065aed6d45c65596fe445f3f # v5.8.0
-      with:
-        images: ghcr.io/${{ github.repository }}/${{ matrix.binary }}
-    - name: Build and push ${{ matrix.binary }} container image
-      if: github.actor != 'dependabot[bot]'
-      uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
+    - uses: goreleaser/goreleaser-action@e435ccd777264be153ace6237001ef4d979d3a7a # v6.4.0
+      id: goreleaser
+      env:
+        PR_NUMBER: ${{ github.event.number }}
       with:
-        push: true
-        tags: ${{ steps.docker_metadata.outputs.tags }}
-        labels: ${{ steps.docker_metadata.outputs.labels }}
-        file: Dockerfile
-        build-args: |
-          BINARY=${{ matrix.binary }}
-          TARGETPLATFORM=${{ matrix.binary }}_linux_amd64_v1
-        context: dist
+        version: latest
+        args: build --clean --verbose --single-target
   check-tag:
     permissions:
       contents: read

.goreleaser.yaml

@@ -42,8 +42,9 @@ dockers_v2:
   images:
   - "ghcr.io/{{ .Env.GITHUB_REPOSITORY }}/go-cli-github"
   tags:
-  - "v{{ .Version }}"
-  - latest
+  - "{{ with .Env.PR_NUMBER }}pr-{{ . }}{{ end }}"
+  - "{{ if not .Env.PR_NUMBER  }}v{{ .Version }}{{ end }}"
+  - "{{ if not .Env.PR_NUMBER }}latest{{ end }}"
   build_args:
     BINARY: go-cli-github
 - id: another-binary
@@ -52,7 +53,8 @@ dockers_v2:
   images:
   - "ghcr.io/{{ .Env.GITHUB_REPOSITORY }}/another-binary"
   tags:
-  - "v{{ .Version }}"
-  - latest
+  - "{{ with .Env.PR_NUMBER }}pr-{{ . }}{{ end }}"
+  - "{{ if not .Env.PR_NUMBER  }}v{{ .Version }}{{ end }}"
+  - "{{ if not .Env.PR_NUMBER }}latest{{ end }}"
   build_args:
     BINARY: another-binary