Add github workflow and transfer image

Author: Alexey Karasev

.github/workflows/push.yaml

@@ -0,0 +1,44 @@
+name: Build Artifacts
+on:
+  release:
+    types: [created]
+  push:
+    branches:
+      - '**'
+env:
+  TAG_NAME: ${{ github.event.release.tag_name || (github.ref == 'refs/heads/main' && 'main' || ( inputs.postfix != '' && format('{0}-{1}', github.ref, inputs.postfix) || 'none' )) }}
+
+jobs:
+  multiplatform_build:
+    strategy:
+      fail-fast: false
+      matrix:
+        component:
+          - name: diag-proxy
+            file: Dockerfile
+          - name: jaeger-transfer
+            file: docker-transfer/Dockerfile
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${GITHUB_ACTOR}
+          password: ${{secrets.GITHUB_TOKEN}}
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          no-cache: true
+          context: ${{ matrix.component.context }}
+          file: ${{ matrix.component.file }}
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ghcr.io/netcracker/${{ matrix.component.name }}:${{ env.TAG_NAME }}
+          provenance: false

docker-transfer/Dockerfile

@@ -0,0 +1,5 @@
+FROM scratch
+
+# Collect helm charts and documentation
+COPY charts /charts
+COPY docs /docs