Add files for trying to use GitHub Container Registry

.github/workflows/publish.yml

@@ -0,0 +1,30 @@
+name: Publish Image
+
+on:
+  push:
+  workflow_dispatch:
+
+jobs:
+  publish:
+    name: Publish Image
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - 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: ${{ secrets.GHCR_TOKEN_202506 }}
+      - name: Push to GitHub Container Registry
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          tags: matsuo/goss:latest
+          secrets: |
+            GIT_AUTH_TOKEN=${{ secrets.GHCR_TOKEN_202506 }}

Dockerfile

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+FROM golang:1.22
+
+RUN apt update && apt install curl tar make bash git
+
+WORKDIR /go/src/github.com/goss-org
+
+ARG GOSS_VERSION="0.4.8"
+ARG GOSS_COMMIT_HASH="aed56336c3e8ff683e9540065b502f423dd6760d"
+
+RUN curl -L https://github.com/goss-org/goss/archive/${GOSS_COMMIT_HASH}.tar.gz | tar -xzvf -
+
+RUN mv goss-${GOSS_COMMIT_HASH} goss && cd goss && TRAVIS_TAG=${GOSS_VERSION} make build