feat: enable multi arch building

.github/workflows/buildx.yml

@@ -0,0 +1,76 @@
+name: buildx
+
+on:
+  schedule:
+    - cron: '37 06 * * *'
+  pull_request:
+  push:
+
+jobs:
+  buildx:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        docker-file:
+            - path: 10
+              tags: 10,dubnium
+              platforms: linux/amd64,linux/arm64,linux/ppc64le,linux/s390x,linux/386,linux/arm/v7,linux/arm/v6
+            - path: 12
+              tags: 12,erbium,latest
+              platforms: linux/amd64,linux/arm64,linux/ppc64le,linux/s390x,linux/386,linux/arm/v7,linux/arm/v6
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Prepare
+        id: prepare
+        run: |
+          DOCKER_IMAGE=timbru31/node-alpine-git
+
+          TAGZ=$(echo ${{ matrix.docker-file.tags }} | tr "," "\n")
+          VERSION=${TAGZ[0]}
+
+          for tag in $TAGZ
+          do
+            TAGS="${TAGS} --tag ${DOCKER_IMAGE}:${tag}"
+          done
+
+          echo ::set-output name=docker_image::${DOCKER_IMAGE}
+          echo ::set-output name=version::${VERSION}
+          echo ::set-output name=buildx_args::--platform ${{ matrix.docker-file.platforms }} \
+            --build-arg REFRESHED_AT=$(date +%Y-%m-%d) \
+            ${TAGS} --file ./${{ matrix.docker-file.path }}/Dockerfile ./${{ matrix.docker-file.path }}
+
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: crazy-max/ghaction-docker-buildx@v2
+
+      - name: Available platforms
+        run: echo ${{ steps.buildx.outputs.platforms }}
+
+      - name: Docker Buildx (build)
+        run: |
+          docker buildx build --output "type=image,push=false" ${{ steps.prepare.outputs.buildx_args }}
+
+      - name: Docker Login
+        if: success() && github.event_name != 'pull_request'
+        env:
+          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
+          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
+        run: |
+          echo "${DOCKER_PASSWORD}" | docker login --username "${DOCKER_USERNAME}" --password-stdin
+
+      - name: Docker Buildx (push)
+        if: success() && github.event_name != 'pull_request'
+        run: |
+          docker buildx build --output "type=image,push=true" ${{ steps.prepare.outputs.buildx_args }}
+
+      - name: Docker Check Manifest
+        if: always() && github.event_name != 'pull_request'
+        run: |
+          docker run --rm mplatform/mquery ${{ steps.prepare.outputs.docker_image }}:${{ steps.prepare.outputs.version }}
+
+      - name: Clear
+        if: always() && github.event_name != 'pull_request'
+        run: |
+          rm -f ${HOME}/.docker/config.json

10/Dockerfile

@@ -1,5 +1,5 @@
-FROM node:dubnium-alpine@sha256:2c2645270fb31946300e7e0c3f69f01d556f8fc4484d1d3de6cac412e1714ebe
-LABEL maintainer "Tim Brust <tim.brust@sinnerschrader.com>"
+FROM node:dubnium-alpine
+LABEL maintainer "Tim Brust <github@timbrust.de>"
 
 ARG REFRESHED_AT
 ENV REFRESHED_AT $REFRESHED_AT

12/Dockerfile

@@ -1,5 +1,5 @@
-FROM node:erbium-alpine@sha256:7d7ad9b819f7064e215aa68a925f22b6a4417598bf017132201f9f1c6f2f0f62
-LABEL maintainer "Tim Brust <tim.brust@sinnerschrader.com>"
+FROM node:erbium-alpine
+LABEL maintainer "Tim Brust <github@timbrust.de>"
 
 ARG REFRESHED_AT
 ENV REFRESHED_AT $REFRESHED_AT

README.md

@@ -14,6 +14,17 @@ A minimal Dockerfile based on Node.js 10 LTS (Dubnium) or Node.js 12 LTS (Erbium
 - Git
 - ssh
 
+## Available platforms
+
+These Dockerfiles leverage the new `buildx` functionality and offer the following platforms:
+- linux/amd64
+- linux/arm64
+- linux/arm/v7
+- linux/arm/v6
+- linux/ppc64le
+- linux/s390x
+- linux/386
+
 ---
 
 Built by (c) Tim Brust and contributors. Released under the MIT license.

hooks/build

@@ -1,2 +0,0 @@
-#!/bin/bash
-docker build --build-arg REFRESHED_AT="$(date +%Y-%m-%d)" -f "$DOCKERFILE_PATH" -t "$IMAGE_NAME" .

renovate.json

@@ -1,7 +1,8 @@
 {
   "extends": [
     "config:base",
-    ":automergeDigest",
+    ":disableRenovate",
+    ":pinDigestsDisabled",
     ":automergePatch",
     ":automergeMinor",
     ":automergePr",