Feat: add dev docker build actions

.github/workflows/docker-dev.yml

@@ -0,0 +1,51 @@
+name: Build and push dev-build docker image
+
+on:
+  push:
+    tags:
+      - 3.* # on push releast with tag 3.*
+    branches:
+      - master
+  workflow_dispatch: # on button click
+
+jobs:
+  dev-docker-build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          clean: false
+          submodules: "recursive"
+      - name: Setup Environments
+        id: envs
+        run: |
+          CLOUDREVE_LATEST_VERSION=$(git tag -l --sort=-creatordate | head -n 1)
+          DOCKER_IMAGE="cloudreve/cloudreve"
+          TAGS="${DOCKER_IMAGE}:latest,${DOCKER_IMAGE}:${CLOUDREVE_LATEST_VERSION}"
+
+          echo ::set-output name=tags::${TAGS}
+      - name: Setup QEMU Emulator
+        uses: docker/setup-qemu-action@master
+        with:
+          platforms: all
+      - name: Setup Docker Buildx Command
+        id: buildx
+        uses: docker/setup-buildx-action@master
+      - name: Login to Dockerhub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+      - name: Build Docker Image and Push
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          push: true
+          builder: ${{ steps.buildx.outputs.name }}
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          tags: ${{ steps.envs.outputs.tags }}
+      - name: Image Digest
+        run: echo ${{ steps.docker_build.outputs.digest }}