feat: add GitHub Actions workflow for snapshot builds and update Docker image references to use ghcr.io (#21)

Author: sgaunet

.github/workflows/snapshot.yml

@@ -0,0 +1,53 @@
+name: snapshot
+
+on:
+  pull_request:
+  push:
+
+permissions:
+  contents: write
+
+jobs:
+  goreleaser-snapshot:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Install Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '>=1.24'
+      - name: Install devbox
+        uses: jetify-com/devbox-install-action@v0.13.0
+        with:
+          enable-cache: true
+          devbox-version: 0.14.0
+  
+      -
+        # Add support for more platforms with QEMU (optional)
+        # https://github.com/docker/setup-qemu-action
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Install prerequisites
+        shell: /usr/bin/bash {0}
+        run: |
+          devbox install
+          devbox run snapshot
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          # Your GoReleaser Pro key, if you are using the 'goreleaser-pro' distribution
+          # GORELEASER_KEY: ${{ secrets.GORELEASER_KEY }}

.goreleaser.yml

@@ -54,8 +54,8 @@ dockers:
     goos: linux
     goarch: amd64
     image_templates:
-      - "sgaunet/{{ .ProjectName }}:{{ .Version }}-amd64"
-      - "sgaunet/{{ .ProjectName }}:latest-amd64"
+      - "ghcr.io/sgaunet/{{ .ProjectName }}:{{ .Version }}-amd64"
+      - "ghcr.io/sgaunet/{{ .ProjectName }}:latest-amd64"
     build_flag_templates:
       - "--platform=linux/amd64"
       - "--label=org.opencontainers.image.created={{.Date}}"
@@ -70,8 +70,8 @@ dockers:
     goos: linux
     goarch: arm64
     image_templates:
-      - "sgaunet/{{ .ProjectName }}:{{ .Version }}-arm64v8"
-      - "sgaunet/{{ .ProjectName }}:latest-arm64v8"
+      - "ghcr.io/sgaunet/{{ .ProjectName }}:{{ .Version }}-arm64v8"
+      - "ghcr.io/sgaunet/{{ .ProjectName }}:latest-arm64v8"
     build_flag_templates:
       - "--platform=linux/arm64/v8"
       - "--label=org.opencontainers.image.created={{.Date}}"
@@ -87,8 +87,8 @@ dockers:
     goarch: arm
     goarm: "6"
     image_templates:
-      - "sgaunet/{{ .ProjectName }}:{{ .Version }}-armv6"
-      - "sgaunet/{{ .ProjectName }}:latest-armv6"
+      - "ghcr.io/sgaunet/{{ .ProjectName }}:{{ .Version }}-armv6"
+      - "ghcr.io/sgaunet/{{ .ProjectName }}:latest-armv6"
     build_flag_templates:
       - "--platform=linux/arm/v6"
       - "--label=org.opencontainers.image.created={{.Date}}"
@@ -104,8 +104,8 @@ dockers:
     goarch: arm
     goarm: "7"
     image_templates:
-      - "sgaunet/{{ .ProjectName }}:{{ .Version }}-armv7"
-      - "sgaunet/{{ .ProjectName }}:latest-armv7"
+      - "ghcr.io/sgaunet/{{ .ProjectName }}:{{ .Version }}-armv7"
+      - "ghcr.io/sgaunet/{{ .ProjectName }}:latest-armv7"
     build_flag_templates:
       - "--platform=linux/arm/v7"
       - "--label=org.opencontainers.image.created={{.Date}}"
@@ -118,15 +118,15 @@ dockers:
 
 docker_manifests:
   # https://goreleaser.com/customization/docker_manifest/
-  - name_template: sgaunet/{{ .ProjectName }}:{{ .Version }}
+  - name_template: ghcr.io/sgaunet/{{ .ProjectName }}:{{ .Version }}
     image_templates:
-      - sgaunet/{{ .ProjectName }}:{{ .Version }}-amd64
-      - sgaunet/{{ .ProjectName }}:{{ .Version }}-arm64v8
-      - sgaunet/{{ .ProjectName }}:{{ .Version }}-armv6
-      - sgaunet/{{ .ProjectName }}:{{ .Version }}-armv7
-  - name_template: sgaunet/{{ .ProjectName }}:latest
+      - ghcr.io/sgaunet/{{ .ProjectName }}:{{ .Version }}-amd64
+      - ghcr.io/sgaunet/{{ .ProjectName }}:{{ .Version }}-arm64v8
+      - ghcr.io/sgaunet/{{ .ProjectName }}:{{ .Version }}-armv6
+      - ghcr.io/sgaunet/{{ .ProjectName }}:{{ .Version }}-armv7
+  - name_template: ghcr.io/sgaunet/{{ .ProjectName }}:latest
     image_templates:
-      - sgaunet/{{ .ProjectName }}:latest-amd64
-      - sgaunet/{{ .ProjectName }}:latest-arm64v8
-      - sgaunet/{{ .ProjectName }}:latest-armv6
-      - sgaunet/{{ .ProjectName }}:latest-armv7
+      - ghcr.io/sgaunet/{{ .ProjectName }}:latest-amd64
+      - ghcr.io/sgaunet/{{ .ProjectName }}:latest-arm64v8
+      - ghcr.io/sgaunet/{{ .ProjectName }}:latest-armv6
+      - ghcr.io/sgaunet/{{ .ProjectName }}:latest-armv7