Add multiarch

Fix typo

.circleci/config.yml

@@ -58,29 +58,36 @@ jobs:
       - setup_remote_docker:
           version: 20.10.7
       - run:
-          name: Load Docker image layer cache
-          command: |
-            set +o pipefail
-            docker load -i /caches/app.tar | true
-      - run:
-          name: Build application Docker image
-          command: |
-            docker build --cache-from=app -t app .
-      - run:
-          name: Save Docker image layer cache
-          command: |
-            mkdir -p /caches
-            docker save -o /caches/app.tar app
-      - save_cache:
-          key: v1-{{ .Branch }}-{{ epoch }}
-          paths:
-            - /caches/app.tar
-      - deploy:
-          name: Push application Docker image
+          name: Log in to Docker
           command: |
             docker login --username ${DOCKER_USER} --password ${DOCKER_PASSWORD}
-            docker tag app phntxx/dashboard:latest
-            docker push phntxx/dashboard:latest
+      - run:
+          name: Install docker buildx
+          command: |
+            apk add --no-cache curl
+            mkdir -p ~/.docker/cli-plugins
+            baseUrl="https://github.com/docker/buildx/releases/download"
+            fileName="buildx-v0.7.1.linux-amd64"
+            url="${baseUrl}/v0.7.1/${fileName}"
+            curl -sSL -o ~/.docker/cli-plugins/docker-buildx $url
+            chmod a+x ~/.docker/cli-plugins/docker-buildx
+            echo 'export DOCKER_CLI_EXPERIMENTAL="enabled"' >> $BASH_ENV
+      - run:
+          name: Prepare docker buildx
+          command: |
+            docker buildx install
+            docker version
+            docker buildx version
+            docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
+            docker context create xbuilder
+            docker buildx create xbuilder --name xbuilder --driver-opt image=moby/buildkit:master --use
+            docker buildx inspect --bootstrap
+      - run:
+          name: Build all platforms
+          command: |
+            docker buildx build \
+            --platform=linux/amd64,linux/arm64/v8,linux/arm/v7,linux/arm/v6 \
+            -t phntxx/dashboard:latest --push .
 
 workflows:
   version: 2