improve workflows

.github/workflows/docker-image.yml

@@ -1,42 +0,0 @@
-name: Docker Image CI
-
-on:
-  release:
-    types: [published]
-
-jobs:
-  build:
-    name: Build
-    runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-        directory: ['backend', 'frontend', 'transcription-api']
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-
-      - name: Login to DockerHub
-        uses: docker/login-action@v2
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-
-      - name: Build and push Docker images
-        uses: docker/build-push-action@v4
-        with:
-          context: ${{ matrix.directory }}
-          file: ${{ matrix.directory }}/Dockerfile
-          platforms: linux/amd64,linux/arm64
-          push: true
-          tags: |
-            ${{ format('{0}/whishper-{1}:{2}', secrets.DOCKERHUB_USERNAME, matrix.directory, github.event.release.tag_name) }}
-            ${{ format('{0}/whishper-{1}:latest', secrets.DOCKERHUB_USERNAME, matrix.directory) }}
-