.github/workflows/packages.yml

@@ -13,8 +13,6 @@ on:
         required: true
       PACKAGES_RSA_KEY:
         required: true
-      DOCKERHUB_USERNAME:
-        required: true
       DOCKERHUB_TOKEN:
         required: true
   workflow_dispatch:
@@ -79,10 +77,6 @@ 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
@@ -91,14 +85,40 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           TAP_GITHUB_TOKEN: ${{ secrets.TAP_GITHUB_TOKEN }}
-      - name: The built binary and the published images print the tag
+      - name: The built binary and the published image print the tag
         env:
           TAG: ${{ inputs.tag }}
         run: |
           test "$(dist/fejkdata_linux_amd64_v1/fejkdata --version)" = "fejkdata $TAG"
-          for image in docker.io/larvit/fejkdata ghcr.io/larvit/fejkdata; do
+          test "$(docker run --rm "ghcr.io/larvit/fejkdata:${TAG#v}" --version)" = "fejkdata $TAG"
-            test "$(docker run --rm "$image:${TAG#v}" --version)" = "fejkdata $TAG"
+
-          done
+  dockerhub:
+    name: Docker Hub image for ${{ inputs.tag }}
+    needs: packages
+    runs-on: ubuntu-26.04
+    permissions:
+      packages: read
+    steps:
+      - uses: docker/login-action@v4
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - uses: docker/login-action@v4
+        with:
+          username: ${{ vars.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Copy the GHCR image to Docker Hub, and check it prints the tag
+        env:
+          LATEST: ${{ needs.packages.outputs.latest }}
+          TAG: ${{ inputs.tag }}
+        run: |
+          tags=(-t "docker.io/larvit/fejkdata:${TAG#v}")
+          if [ "$LATEST" = true ]; then
+            tags+=(-t docker.io/larvit/fejkdata:latest)
+          fi
+          docker buildx imagetools create "${tags[@]}" "ghcr.io/larvit/fejkdata:${TAG#v}"
+          test "$(docker run --rm "docker.io/larvit/fejkdata:${TAG#v}" --version)" = "fejkdata $TAG"
 
   repos:
     name: apt, dnf and apk repositories for ${{ inputs.tag }}

.github/workflows/test.yml

@@ -99,5 +99,4 @@ 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 }}

AGENTS.md

@@ -123,6 +123,7 @@ In [docs/decisions.md](docs/decisions.md):
 - The locales are Ethnologue 2026's ten most-spoken languages, each in the country with the most speakers of it, the Nordic countries and Germany
 - A country with no open address register covering it whole ships its places and postal codes without streets
 - The apt, dnf and apk repositories are static files on GitHub Pages, holding the latest release only
+- The image is pushed to GHCR and copied to Docker Hub, whose name the README shows
 
 # Scoring run
 

CHANGELOG.md

@@ -9,7 +9,7 @@ replacement, and each removed path, column or flag.
 ### Added
 
 - Prebuilt binaries for Linux, macOS and Windows on amd64 and arm64, packages for apt,
-  dnf, apk, Homebrew and Scoop, and the image `larvit/fejkdata` on Docker Hub and GHCR, so
+  dnf, apk, Homebrew and Scoop, and the image `larvit/fejkdata` on Docker Hub, also at `ghcr.io/larvit/fejkdata`, so
   the CLI installs without Go. 0.1.0 ships them too; the README's
   [Install](https://github.com/larvit/fejkdata#install) lists each command.
 

README.md

@@ -42,8 +42,8 @@ docker run --rm -i larvit/fejkdata < template.json                # any OS with
 go install github.com/larvit/fejkdata/cmd/fejkdata@latest         # any OS with Go
 ```
 
-The image is also `ghcr.io/larvit/fejkdata`, which CI on shared runners may prefer:
+On shared CI runners, pull `ghcr.io/larvit/fejkdata` instead: Docker Hub limits anonymous
-Docker Hub limits anonymous pulls per IP address.
+pulls per IP address.
 
 Debian, Ubuntu, Fedora, RHEL and Alpine install from fejkdata's signed repositories, which
 hold the latest release:
@@ -1280,21 +1280,22 @@ To release, head `CHANGELOG.md` with the version's section in place of `Unreleas
 and merge: once `main` passes the gate, CI tags that commit `vX.Y.Z` and publishes
 the GitHub release with the section as its body. A top heading of `[Unreleased]`
 publishes nothing. CI then runs the Packages workflow on the new tag, which attaches the
-binaries and packages, pushes the image to Docker Hub and GHCR, updates the Homebrew tap and the Scoop bucket,
+binaries and packages, pushes the image to GHCR and copies it to Docker Hub, updates the
-and deploys the apt, dnf and apk repositories to GitHub Pages. The workflow reads
+Homebrew tap and the Scoop bucket, and deploys the apt, dnf and apk repositories to GitHub
-these repository secrets:
+Pages. The workflow reads these repository secrets:
 
-- `DOCKERHUB_USERNAME`, `DOCKERHUB_TOKEN`: a Docker Hub account and access token that can
+- `DOCKERHUB_TOKEN`: a Docker Hub access token with Read & Write and no Delete, or an
-  push to `larvit/fejkdata`.
+  organization token that can push only to `larvit/fejkdata`. The repository variable
+  `DOCKERHUB_USERNAME` names its account.
 - `PACKAGES_GPG_KEY`, `PACKAGES_RSA_KEY`: the private keys that sign the repositories.
 - `TAP_GITHUB_TOKEN`: a token that can push to `larvit/homebrew-tap` and
   `larvit/scoop-bucket`.
 
-The image's Docker Hub repository and GHCR package must be public, and Pages must deploy from GitHub Actions. To
+The image's Docker Hub repository and GHCR package must be public, and Pages must deploy
-package a release again,
+from GitHub Actions. To package a release again, run the workflow by hand with its tag; it
-run the workflow by hand with its tag; it replaces what it uploaded before. For a tag older
+replaces what it uploaded before. For a tag older than the latest release it leaves the
-than the latest release it leaves the tap, the bucket, the images' `latest` and
+tap, the bucket, the image's `latest` tags and the repositories alone, since each holds one
-the repositories alone, since each holds one version.
+version.
 
 ## License
 

docs/decisions.md

@@ -903,7 +903,7 @@ By the maintainer's decision of 2026-10-09, every 0.1.0 chunk ships under the fl
 
 Shipped under that decision: item 89, the last of 0.1.0, at 52e0304. Its paired ruling against 90ffcff was better. The release's scoring run read Navigation 7.00, Locality 5.75, Shape 6.38, Self-sufficiency 6.50 and overall 6.25; its seats named places items 170 to 172 and 178 hold, and `isPath`, filed as item 251.
 
-Shipped under the floor by the maintainer's decision of 2026-10-13: item 58, prebuilt binaries and packages, which the plan had under 0.2.0, ships as 0.1.0's distribution, and so does the image on Docker Hub, decided 2026-10-14. Neither changes Go code.
+Shipped under the floor as 0.1.0's distribution, each by the maintainer's decision: item 58, prebuilt binaries and packages, which the plan had under 0.2.0, on 2026-10-13; and the image on Docker Hub, on 2026-10-14. Neither changes Go code.
 
 Shipped by the maintainer's decision of 2026-10-11 with its ratchet waived: item 182, the shipped data as Go packages, at a632a92. Its last paired ruling against bf1becb was same overall, Mid A better and Junior A worse, with Shape fallen, three seats against the namespace mount in `internal/datafiles/mount.go` and the `at` field of `datafiles.Source`; the scoring run that would rule it worse under the floor was not run. `todo.md` item 197 replaces that mount.
 
@@ -970,13 +970,20 @@ vendor-neutral option (`~/.claude/principles/technical-principles.md`). The repo
 are built here, as static files any host can serve: `release-tooling/package-repos.Dockerfile`
 signs them with a GPG key (apt, dnf) and an RSA key (apk). A hosted package service would
 only save that tooling. GitHub already hosts the code (see "GitHub is canonical, and the
-module path names it"), so Pages adds no new vendor. The image sits on GHCR for the same
+module path names it"), so Pages adds no new vendor. A Pages site holds at
-reason; being OCI, it moves to another registry by changing its path. Docker Hub carries
-the same image too, by the maintainer's decision of 2026-10-14: it is Docker's default
-registry, so `docker run larvit/fejkdata` works with no host in the name. Docker Hub limits
-anonymous pulls by IP, so CI on shared runners may pull from `ghcr.io` instead. A Pages site holds at
 most 1 GB and a release's packages take about 35 MB, so the repositories hold the latest
 release only; each GitHub release still carries its own packages, and the image keeps a tag
 per version. Leaving Pages costs
 each Linux user an edit: their apt list, `.repo` file or apk line names `larvit.github.io`.
 Valid while GitHub hosts the code.
+
+## The image is pushed to GHCR and copied to Docker Hub, whose name the README shows
+
+2026-10-14, decided by the maintainer. Serves goal 1.1; technical principle: prefer the
+vendor-neutral option (`~/.claude/principles/technical-principles.md`). Docker Hub is
+Docker's default registry, so `docker run larvit/fejkdata` works with no host in the name;
+that is a capability only Docker Hub has. GHCR stays the image's source: GoReleaser pushes
+there, and a job of its own copies the image to Docker Hub, so a Docker Hub failure holds up
+no other channel. GHCR also serves CI on shared runners, which Docker Hub's per-IP limit on
+anonymous pulls blocks. Leaving Docker Hub costs each user an edit of every `docker run` line
+and pinned script that names the bare `larvit/fejkdata`.

release-tooling/goreleaser.yaml

@@ -54,7 +54,6 @@ nfpms:
 
 dockers_v2:
   - images:
-      - docker.io/larvit/fejkdata
       - ghcr.io/larvit/fejkdata
     tags:
       - "{{ .Version }}"