Push the image to Docker Hub beside GHCR, so docker run larvit/fejkdata works

.github/workflows/packages.yml

@@ -13,6 +13,10 @@ on:
         required: true
       PACKAGES_RSA_KEY:
         required: true
+      DOCKERHUB_USERNAME:
+        required: true
+      DOCKERHUB_TOKEN:
+        required: true
   workflow_dispatch:
     inputs:
       tag:
@@ -75,6 +79,10 @@ jobs:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
+      - uses: docker/login-action@v4
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
       - uses: goreleaser/goreleaser-action@v7
         with:
           version: v2.18.3
@@ -83,12 +91,14 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           TAP_GITHUB_TOKEN: ${{ secrets.TAP_GITHUB_TOKEN }}
-      - name: The built binary and the published image print the tag
+      - name: The built binary and the published images print the tag
         env:
           TAG: ${{ inputs.tag }}
         run: |
           test "$(dist/fejkdata_linux_amd64_v1/fejkdata --version)" = "fejkdata $TAG"
-          test "$(docker run --rm "ghcr.io/larvit/fejkdata:${TAG#v}" --version)" = "fejkdata $TAG"
+          for image in docker.io/larvit/fejkdata ghcr.io/larvit/fejkdata; do
+            test "$(docker run --rm "$image:${TAG#v}" --version)" = "fejkdata $TAG"
+          done
 
   repos:
     name: apt, dnf and apk repositories for ${{ inputs.tag }}

.github/workflows/test.yml

@@ -99,3 +99,5 @@ jobs:
       TAP_GITHUB_TOKEN: ${{ secrets.TAP_GITHUB_TOKEN }}
       PACKAGES_GPG_KEY: ${{ secrets.PACKAGES_GPG_KEY }}
       PACKAGES_RSA_KEY: ${{ secrets.PACKAGES_RSA_KEY }}
+      DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
+      DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}