automatically build & push on new Hugo releases

.github/workflows/build.yml

@@ -4,10 +4,20 @@ on:
   push:
     branches:
       - master
-    tags:
-      - 'v*'
+  pull_request:
+    branches:
+      - master
+  merge_group:
   workflow_dispatch:
 
+# https://docs.github.com/en/actions/using-jobs/using-concurrency#example-only-cancel-in-progress-jobs-or-runs-for-the-current-workflow
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+
+env:
+  HUB_IMAGE: jakejarvis/hugo-extended
+  GHCR_IMAGE: ghcr.io/jakejarvis/hugo-extended
+
 jobs:
   docker:
     runs-on: ubuntu-latest
@@ -15,33 +25,31 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
-
-      - name: Prepare tags
-        id: tag
-        env:
-          HUB_IMAGE: jakejarvis/hugo-extended
-          GHCR_IMAGE: ghcr.io/jakejarvis/hugo-extended
-        run: |
-          TAGS="${HUB_IMAGE}:latest,${GHCR_IMAGE}:latest"
-
-          # If triggered by a new tag, add a version tag to the image
-          if [[ $GITHUB_REF == refs/tags/* ]]; then
-            VERSION=${GITHUB_REF#refs/tags/v}
-            TAGS="$TAGS,${HUB_IMAGE}:${VERSION},${GHCR_IMAGE}:${VERSION}"
-          fi
-
-          # Set output parameters
-          echo ::set-output name=tags::${TAGS}
+        with:
+          fetch-depth: 0
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
-        with:
-          platforms: linux/amd64,linux/arm64
 
       - name: Set up Docker Buildx
         id: buildx
         uses: docker/setup-buildx-action@v2
 
+      - name: Login to DockerHub
+        if: ${{ github.ref == 'refs/heads/master' }}
+        uses: docker/login-action@v2
+        with:
+          username: jakejarvis
+          password: ${{ secrets.DOCKER_HUB_TOKEN }}
+
+      - name: Login to GitHub Container Registry
+        if: ${{ github.ref == 'refs/heads/master' }}
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GHCR_PAT }}
+
       - name: Cache Docker layers
         uses: actions/cache@v3
         with:
@@ -50,33 +58,35 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-buildx-
 
-      - name: Login to DockerHub
-        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v2
-        with:
-          username: jakejarvis
-          password: ${{ secrets.DOCKER_HUB_TOKEN }}
-
-      - name: Login to GitHub Container Registry
-        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v2
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GHCR_PAT }}
+      - name: Parse Hugo version
+        id: parse_version
+        run: |
+          HUGO_VERSION="$(grep -oP '(?<=^ARG HUGO_VERSION=).+$' Dockerfile)"
+          echo "HUGO_VERSION=$HUGO_VERSION" >> $GITHUB_OUTPUT
 
       - name: Build and push
         id: build
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v4
         with:
           builder: ${{ steps.buildx.outputs.name }}
-          context: ./
+          context: .
           file: ./Dockerfile
           platforms: linux/amd64,linux/arm64
-          push: true
-          tags: ${{ steps.tag.outputs.tags }}
+          push: ${{ github.ref == 'refs/heads/master' }}
+          tags: "${{ env.HUB_IMAGE }}:latest,${{ env.GHCR_IMAGE }}:latest,${{ env.HUB_IMAGE }}:${{ steps.parse_version.outputs.HUGO_VERSION }},${{ env.GHCR_IMAGE }}:${{ steps.parse_version.outputs.HUGO_VERSION }}"
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache
 
       - name: Image digest
         run: echo ${{ steps.build.outputs.digest }}
+
+      - name: Update hub description
+        uses: peter-evans/dockerhub-description@v3
+        if: ${{ github.ref == 'refs/heads/master' }}
+        with:
+          username: jakejarvis
+          password: ${{ secrets.DOCKER_HUB_TOKEN }}
+          repository: ${{ env.HUB_IMAGE }}
+          short-description: "✏️ Hugo Extended for x64 and ARM64 with PostCSS, Babel, Pandoc, and more baked in."
+          readme-filepath: ./README.md
+          enable-url-completion: true

Dockerfile

@@ -8,7 +8,7 @@ ARG HUGO_BUILD_TAGS=extended
 # ---
 
 # Hugo >= v0.81.0 requires Go 1.16+ to build
-FROM golang:1.19-alpine3.17 AS build
+FROM golang:1.20-alpine3.17 AS build
 
 # renew global args from above
 # https://docs.docker.com/engine/reference/builder/#scope

renovate.json

@@ -3,7 +3,8 @@
   "extends": [
     "config:base"
   ],
-  "automerge": false,
+  "automerge": true,
+  "platformAutomerge": true,
   "regexManagers": [
     {
       "fileMatch": [