docker: build for arm cpu (#8633)

ref: #4931

Author: odanado

.github/workflows/docker-image.yml

@@ -15,20 +15,35 @@ jobs:
     runs-on: ubuntu-latest
     env:
       IMAGE_NAME: ipfs/go-ipfs
-      WIP_IMAGE_TAG: wip
     steps:
       - name: Check out the repo
         uses: actions/checkout@v2
 
-      - name: Build wip Docker image
-        run: docker build -t $IMAGE_NAME:$WIP_IMAGE_TAG .
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Get tags
+        id: tags
+        run: |
+          TAGS="$(./bin/get-docker-tags.sh $(date -u +%F))"
+          TAGS="${TAGS//$'\n'/'%0A'}"
+          echo "::set-output name=value::$(echo $TAGS)"
+        shell: bash
 
       - name: Log in to Docker Hub
         uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
-      - name: Publish Docker Image to Docker Hub
-        run: ./bin/push-docker-tags.sh $(date -u +%F)
-
+      - name: Build Docker image and publish to Docker Hub
+        uses: docker/build-push-action@v2
+        with:
+          platforms: linux/amd64,linux/arm/v7,linux/arm64/v8
+          context: .
+          push: true
+          file: ./Dockerfile
+          tags: "${{ steps.tags.outputs.value }}"

bin/get-docker-tags.sh

@@ -0,0 +1,61 @@
+#!/usr/bin/env bash
+
+# get-docker-tags.sh
+#
+# Usage:
+#   ./get-docker-tags.sh <build number> <git commit sha1> <git branch name> [git tag name]
+#
+# Example:
+#    
+#   # get tag for the master branch
+#   ./get-docker-tags.sh $(date -u +%F) testingsha master
+#
+#   # get tag for a release tag
+#   ./get-docker-tags.sh $(date -u +%F) testingsha release v0.5.0
+#
+#   # Serving suggestion in circle ci - https://circleci.com/docs/2.0/env-vars/#built-in-environment-variables
+#   ./get-docker-tags.sh $(date -u +%F) "$CIRCLE_SHA1" "$CIRCLE_BRANCH" "$CIRCLE_TAG"
+#
+set -euo pipefail
+
+if [[ $# -lt 1 ]] ; then
+  echo 'At least 1 arg required.'
+  echo 'Usage:'
+  echo './push-docker-tags.sh <build number> [git commit sha1] [git branch name] [git tag name]'
+  exit 1
+fi
+
+BUILD_NUM=$1
+GIT_SHA1=${2:-$(git rev-parse HEAD)}
+GIT_SHA1_SHORT=$(echo "$GIT_SHA1" | cut -c 1-7)
+GIT_BRANCH=${3:-$(git symbolic-ref -q --short HEAD || echo "unknown")}
+GIT_TAG=${4:-$(git describe --tags --exact-match || echo "")}
+
+IMAGE_NAME=${IMAGE_NAME:-ipfs/go-ipfs}
+
+echoImageName () {
+  local IMAGE_TAG=$1
+  echo "$IMAGE_NAME:$IMAGE_TAG"
+}
+
+if [[ $GIT_TAG =~ ^v[0-9]+\.[0-9]+\.[0-9]+-rc ]]; then
+  echoImageName "$GIT_TAG"
+
+elif [[ $GIT_TAG =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+  echoImageName "$GIT_TAG"
+  echoImageName "latest"
+  echoImageName "release" # see: https://github.com/ipfs/go-ipfs/issues/3999#issuecomment-742228981
+
+elif [[ $GIT_BRANCH =~ ^bifrost-.* ]]; then
+  # sanitize the branch name since docker tags have stricter char limits than git branch names
+  branch=$(echo "$GIT_BRANCH" | tr '/' '-' | tr --delete --complement '[:alnum:]-')
+  echoImageName "${branch}-${BUILD_NUM}-${GIT_SHA1_SHORT}"
+
+elif [ "$GIT_BRANCH" = "master" ]; then
+  echoImageName "master-${BUILD_NUM}-${GIT_SHA1_SHORT}"
+  echoImageName "master-latest"
+
+else
+  echo "Nothing to do. No docker tag defined for branch: $GIT_BRANCH, tag: $GIT_TAG"
+
+fi