Build from the 'develop' branch via cron (#14)

* Test every 5 minute

* Delete recursive submodules

* Set ONLYOFFICE variables

.github/workflows/cron-build.yml

@@ -0,0 +1,57 @@
+name: 4testing multiarch-build
+
+on:
+  schedule:
+    - cron: '0 20 * * *' 
+env:
+  DOCKER_PATH: "/install/docker"
+  REPO: "onlyoffice"
+  DOCKER_IMAGE_PREFIX: "4testing-docspace"
+  DOCKERFILE: "Dockerfile.app"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        platform: [linux/amd64]
+    steps:
+      - name: Find Latest Release Branch
+        id: release-branch-finder
+        uses: jsryudev/release-branch-finder@v0.1.0
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          release-branch-prefix: 'develop'
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          ref: ${{ steps.release-branch-finder.outputs.release-branch }}
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v2
+        
+      - name: Free Disk Space
+        run: |
+          sudo rm -rf /usr/local/lib/android /opt/ghc
+          sudo docker image prune --all --force
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+          
+      - name: Build 4testing
+        run: |
+          cd .${DOCKER_PATH}
+          GITHUB_REF_NAME=${{ steps.release-branch-finder.outputs.release-branch }}
+          DOCKER_TAG=2.0.0.${{github.run_number}}
+          export DOCKER_TAG
+
+          docker buildx bake -f build.yml \
+          --set *.args.GIT_BRANCH=$GITHUB_REF_NAME \
+          --set *.platform=linux/amd64 \
+          --push
+        shell: bash