removed workflow step for publishing python 3.8 images (#297)

* removed workflow step for publishing python 3.8 images

* Update README.md

Author: cicirello

.github/workflows/docker-publish.yml

@@ -331,65 +331,3 @@ jobs:
           push: true
           tags: ${{ steps.prep.outputs.tags }}
           labels: org.opencontainers.image.version=${{ steps.prep.outputs.version }}
-
-  python-3-8:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v5
-        with:
-          ref: "3.8"
-
-      - name: Prepare
-        id: prep
-        run: |
-          PYTHON_VERSION=3.8
-          DOCKERHUB_IMAGE=cicirello/pyaction
-          GHCR_IMAGE=ghcr.io/cicirello/pyaction
-          VERSION=${{ github.event.inputs.GHCLI }}
-          MINOR=${VERSION%.*}
-          MAJOR=${VERSION%%.*}
-          TAGS="${DOCKERHUB_IMAGE}:${PYTHON_VERSION},${DOCKERHUB_IMAGE}:${PYTHON_VERSION}-gh-${MAJOR}"
-          TAGS="${TAGS},${DOCKERHUB_IMAGE}:${PYTHON_VERSION}-gh-${MINOR}"
-          TAGS="${TAGS},${DOCKERHUB_IMAGE}:${PYTHON_VERSION}-gh-${VERSION}"
-          TAGS="${TAGS},${GHCR_IMAGE}:${PYTHON_VERSION},${GHCR_IMAGE}:${PYTHON_VERSION}-gh-${MAJOR}"
-          TAGS="${TAGS},${GHCR_IMAGE}:${PYTHON_VERSION}-gh-${MINOR}"
-          TAGS="${TAGS},${GHCR_IMAGE}:${PYTHON_VERSION}-gh-${VERSION}"
-          echo "tags=${TAGS}" >> $GITHUB_OUTPUT
-          echo "version=${VERSION}" >> $GITHUB_OUTPUT
-          echo "dockerhub_image=${DOCKERHUB_IMAGE}" >> $GITHUB_OUTPUT
-          echo "ghcr_image=${GHCR_IMAGE}" >> $GITHUB_OUTPUT
-
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
-        with:
-          platforms: all
-
-      - name: Set up Docker Buildx
-        id: buildx
-        uses: docker/setup-buildx-action@v3
-
-      - name: Login to DockerHub
-        uses: docker/login-action@v3 
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-
-      - name: Login to Github Container Registry
-        uses: docker/login-action@v3 
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Build and push
-        uses: docker/build-push-action@v6
-        with:
-          builder: ${{ steps.buildx.outputs.name }}
-          context: .
-          file: ./Dockerfile
-          platforms: linux/amd64,linux/arm64,linux/386,linux/arm/v7,linux/arm/v6
-          push: true
-          tags: ${{ steps.prep.outputs.tags }}
-          labels: org.opencontainers.image.version=${{ steps.prep.outputs.version }}

README.md

@@ -59,9 +59,11 @@ of GitHub CLI (e.g., 2.75.0), all of the following tags are available and equiva
 `latest`, `3.13.5`, `3.13`, `3.13.5-gh-2.75.0`, `3.13.5-gh-2.75`, `3.13.5-gh-2`, 
 `3.13-gh-2.75.0`, `3.13-gh-2.75`, `3.13-gh-2`.
 
-For prior versions of Python (3.8, 3.9, 3.10, 3.11, 3.12) and current version of 
+For prior versions of Python (e.g., 3.12) and current version of 
 GitHub CLI (2.75.0), all of the following tags are available and equivalent: 
-`3.12`, `3.12-gh-2.75.0`, `3.12-gh-2.75`, `3.12-gh-2`.
+`3.12`, `3.12-gh-2.75.0`, `3.12-gh-2.75`, `3.12-gh-2`. Note that we only build
+new images for Python versions that are still supported, and not for any that
+have reached end-of-life. See the official [Status of Python Versions](https://devguide.python.org/versions/).
 
 This tag scheme began with version 2.75.0 of the GitHub CLI. We don't support pyaction
 images with earlier versions of the GitHub CLI.