Use Github Actions to publish Docker images

.github/workflows/docker.yml

@@ -0,0 +1,54 @@
+name: Docker
+on:
+  schedule:
+    - cron: '0 1 * * *'
+  push:
+    tags:
+      - 'v*.*.*'
+jobs:
+  multiplatform-build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Generate Docker tag
+        id: docker_tag
+        run: |
+          SHORT_SHA=`echo ${GITHUB_SHA} | cut -c1-8`
+          DOCKER_IMAGE=kanboard/kanboard
+          DOCKER_VERSION=dev
+          APP_VERSION="master.${SHORT_SHA}"
+          if [ "${{ github.event_name }}" = "schedule" ]; then
+          DOCKER_VERSION="nightly"
+          elif [[ $GITHUB_REF == refs/tags/* ]]; then
+          DOCKER_VERSION=${GITHUB_REF#refs/tags/}
+          APP_VERSION=$DOCKER_VERSION
+          fi
+          TAGS="${DOCKER_IMAGE}:${DOCKER_VERSION}"
+          echo ::set-output name=version::${APP_VERSION}
+          echo ::set-output name=tags::${TAGS}
+          echo ::set-output name=created::$(date -u +'%Y-%m-%dT%H:%M:%SZ')
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v1 
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: Dockerfile
+          platforms: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
+          push: true
+          build-args: |
+            VERSION=${{ steps.docker_tag.outputs.version }}
+          tags: ${{ steps.docker_tag.outputs.tags }}

Dockerfile

@@ -1,6 +1,4 @@
-ARG BASE_IMAGE_ARCH="amd64"
-
-FROM ${BASE_IMAGE_ARCH}/alpine:3.12
+FROM alpine:3.12
 
 VOLUME /var/www/app/data
 VOLUME /var/www/app/plugins
@@ -11,7 +9,7 @@ EXPOSE 80 443
 ARG VERSION
 
 RUN apk --no-cache --update add \
-    openssl unzip nginx bash ca-certificates s6 curl ssmtp mailx php7 php7-phar php7-curl \
+    tzdata openssl unzip nginx bash ca-certificates s6 curl ssmtp mailx php7 php7-phar php7-curl \
     php7-fpm php7-json php7-zlib php7-xml php7-dom php7-ctype php7-opcache php7-zip php7-iconv \
     php7-pdo php7-pdo_mysql php7-pdo_sqlite php7-pdo_pgsql php7-mbstring php7-session php7-bcmath \
     php7-gd php7-mcrypt php7-openssl php7-sockets php7-posix php7-ldap php7-simplexml && \

Makefile

@@ -3,7 +3,7 @@ DOCKER_TAG := master
 VERSION := $(shell git rev-parse --short HEAD)
 
 .PHONY: archive test-sqlite test-mysql test-postgres sql \
-	docker-image docker-manifest docker-run docker-sh
+	docker-image docker-images docker-run docker-sh
 
 archive:
 	@ echo "Build archive: version=$(VERSION)"
@@ -40,31 +40,15 @@ sql:
 	@ grep -v "SET idle_in_transaction_session_timeout = 0;" app/Schema/Sql/postgres.sql > temp && mv temp app/Schema/Sql/postgres.sql
 
 docker-image:
-	@ docker build --build-arg VERSION=$(VERSION) -t $(DOCKER_IMAGE):$(DOCKER_TAG) .
+	@ docker build --build-arg VERSION=master.$(VERSION) -t $(DOCKER_IMAGE):$(DOCKER_TAG) .
 
-docker-manifest:
-	for version in $(VERSION) latest; do \
-		docker build --build-arg VERSION=$(VERSION) --build-arg BASE_IMAGE_ARCH=amd64 -t $(DOCKER_IMAGE):amd64-$${version} . && \
-		docker build --build-arg VERSION=$(VERSION) --build-arg BASE_IMAGE_ARCH=arm32v6 -t $(DOCKER_IMAGE):arm32v6-$${version} . && \
-		docker build --build-arg VERSION=$(VERSION) --build-arg BASE_IMAGE_ARCH=arm32v7 -t $(DOCKER_IMAGE):arm32v7-$${version} . && \
-		docker build --build-arg VERSION=$(VERSION) --build-arg BASE_IMAGE_ARCH=arm64v8 -t $(DOCKER_IMAGE):arm64v8-$${version} . && \
-		docker push $(DOCKER_IMAGE):amd64-$${version} && \
-		docker push $(DOCKER_IMAGE):arm32v6-$${version} && \
-		docker push $(DOCKER_IMAGE):arm32v7-$${version} && \
-		docker push $(DOCKER_IMAGE):arm64v8-$${version} && \
-		docker manifest create --amend $(DOCKER_IMAGE):$${version} \
-			$(DOCKER_IMAGE):amd64-$${version} \
-			$(DOCKER_IMAGE):arm32v6-$${version} \
-			$(DOCKER_IMAGE):arm32v7-$${version} \
-			$(DOCKER_IMAGE):arm64v8-$${version} && \
-		docker manifest annotate $(DOCKER_IMAGE):$${version} \
-			$(DOCKER_IMAGE):arm32v6-$${version} --os linux --arch arm --variant v6 && \
-		docker manifest annotate $(DOCKER_IMAGE):$${version} \
-			$(DOCKER_IMAGE):arm32v7-$${version} --os linux --arch arm --variant v7 && \
-		docker manifest annotate $(DOCKER_IMAGE):$${version} \
-			$(DOCKER_IMAGE):arm64v8-$${version} --os linux --arch arm64 --variant v8 && \
-		docker manifest push --purge $(DOCKER_IMAGE):$${version} ;\
-	done
+docker-images:
+	docker buildx build \
+		--platform linux/amd64,linux/arm64,linux/arm/v7,linux/arm/v6 \
+		--file Dockerfile \
+		--build-arg VERSION=master.$(VERSION) \
+		--tag $(DOCKER_IMAGE):$(VERSION) \
+		.
 
 docker-run:
 	@ docker run --rm --name=kanboard -p 80:80 -p 443:443 $(DOCKER_IMAGE):$(DOCKER_TAG)