CI: Fix ARMv7 build scripts

Makefile

@@ -205,22 +205,22 @@ clean:
 docker-development:
 	docker pull --platform=amd64 ubuntu:21.10
 	docker pull --platform=arm64 ubuntu:21.10
-	scripts/docker/multarch.sh development linux/amd64,linux/arm64 $(DOCKER_TAG)
+	scripts/docker/multiarch.sh development linux/amd64,linux/arm64 $(DOCKER_TAG)
 docker-preview:
-	scripts/docker/multarch.sh photoprism linux/amd64,linux/arm64
+	scripts/docker/multiarch.sh photoprism linux/amd64,linux/arm64
 docker-release:
-	scripts/docker/multarch.sh photoprism linux/amd64,linux/arm64 $(DOCKER_TAG)
+	scripts/docker/multiarch.sh photoprism linux/amd64,linux/arm64 $(DOCKER_TAG)
 docker-armv7-preview:
-	scripts/docker/multarch.sh photoprism linux/arm armv7-preview /armv7
+	scripts/docker/arch.sh photoprism linux/arm armv7-preview /armv7
 docker-armv7-release:
-	scripts/docker/multarch.sh photoprism linux/arm armv7 /armv7
+	scripts/docker/arch.sh photoprism linux/arm armv7 /armv7
 docker-local:
 	scripts/docker/build.sh photoprism
 docker-pull:
 	docker pull photoprism/photoprism:preview photoprism/photoprism:latest
 docker-goproxy:
 	docker pull golang:alpine
-	scripts/docker/multarch.sh goproxy linux/amd64,linux/arm64 $(DOCKER_TAG)
+	scripts/docker/multiarch.sh goproxy linux/amd64,linux/arm64 $(DOCKER_TAG)
 docker-demo:
 	scripts/docker/build.sh demo $(DOCKER_TAG)
 	scripts/docker/push.sh demo $(DOCKER_TAG)
@@ -231,11 +231,11 @@ docker-demo-local:
 docker-dummy-webdav:
 	docker pull --platform=amd64 golang:1
 	docker pull --platform=arm64 golang:1
-	scripts/docker/multarch.sh dummy-webdav linux/amd64,linux/arm64 $(DOCKER_TAG)
+	scripts/docker/multiarch.sh dummy-webdav linux/amd64,linux/arm64 $(DOCKER_TAG)
 docker-dummy-oidc:
 	docker pull --platform=amd64 golang:1
 	docker pull --platform=arm64 golang:1
-	scripts/docker/multarch.sh dummy-oidc linux/amd64,linux/arm64 $(DOCKER_TAG)
+	scripts/docker/multiarch.sh dummy-oidc linux/amd64,linux/arm64 $(DOCKER_TAG)
 packer-digitalocean:
 	$(info Buildinng DigitalOcean marketplace image...)
 	(cd ./docker/examples/cloud && packer build digitalocean.json)

docker/photoprism/armv7/Dockerfile

@@ -1,5 +1,5 @@
 ##################################################### BUILD STAGE ######################################################
-FROM ubuntu:21.10
+FROM ubuntu:21.10 as build
 
 LABEL maintainer="Michael Mayer <hello@photoprism.org>"
 

scripts/docker/arch.sh

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+
+# https://docs.docker.com/develop/develop-images/build_enhancements/#to-enable-buildkit-builds
+export DOCKER_BUILDKIT=1
+
+if [[ -z $1 ]] || [[ -z $2 ]]; then
+    echo "Please provide the image name, and a list of target architectures e.g. linux/amd64,linux/arm64,linux/arm" 1>&2
+    exit 1
+fi
+
+NUMERIC='^[0-9]+$'
+GOPROXY=${GOPROXY:-'https://goproxy.io,direct'}
+
+if [[ $1 ]] && [[ $2 ]] && [[ -z $3 ]]; then
+    echo "Building 'photoprism/$1:preview'..."
+    DOCKER_TAG=$(date -u +%Y%m%d)
+    docker buildx build \
+      --platform $2 \
+      --pull \
+      --build-arg BUILD_TAG=$DOCKER_TAG \
+      --build-arg GOPROXY \
+      --build-arg GODEBUG \
+      -f docker/${1/-//}/Dockerfile \
+      -t photoprism/$1:preview \
+      --push .
+elif [[ $3 =~ $NUMERIC ]]; then
+    echo "Building 'photoprism/$1:$3'..."
+    docker buildx build \
+      --platform $2 \
+      --pull \
+      --build-arg BUILD_TAG=$3 \
+      --build-arg GOPROXY \
+      --build-arg GODEBUG \
+      -f docker/${1/-//}/Dockerfile \
+      -t photoprism/$1:latest \
+      -t photoprism/$1:$3 \
+      --push .
+else
+    echo "Building 'photoprism/$1:$3' in docker/${1/-//}$4/Dockerfile..."
+    DOCKER_TAG=$(date -u +%Y%m%d)
+    docker buildx build \
+      --platform $2 \
+      --pull \
+      --build-arg BUILD_TAG=$DOCKER_TAG \
+      --build-arg GOPROXY \
+      --build-arg GODEBUG \
+      -f docker/${1/-//}$4/Dockerfile \
+      -t photoprism/$1:$3 \
+      --push .
+fi
+
+echo "Done"