Add schedule to the CI

.github/workflows/publish-docker-images.yml

@@ -0,0 +1,49 @@
+---
+on:
+  schedule:
+    - cron: '0 4 * * *' # Every day at 4:00am
+  push:
+    tags:
+      - '*'
+  release:
+    types: [released]
+
+name: Publish tagged images to Docker Hub
+
+jobs:
+  docker:
+    runs-on: docker
+    steps:
+      - 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
+        if: github.event_name != 'schedule'
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: getmeili/meilisearch
+          # The lastest tag is only pushed for the official Meilisearch release
+          # See https://github.com/docker/metadata-action#latest-tag
+          flavor: latest=false
+          tags: |
+            type=ref,event=tag
+            type=raw,value=latest,enable=${{ github.event_name == 'release' }}
+
+      - name: Build and push
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          # We do not push tags for the cron jobs, this is only for test purposes
+          push: ${{ github.event_name != 'schedule' }}
+          platforms: linux/amd64,linux/arm64
+          tags: ${{ steps.meta.outputs.tags }}