Improve build process.

.github/workflows/build_image.yml

@@ -6,7 +6,12 @@ on:
 jobs:
   build:
     runs-on: ubuntu-24.04
-    name: Build amd64 and arm64 images
+    strategy:
+      matrix:
+        platform:
+          - linux/amd64
+          - linux/arm64
+    name: Build ${{ matrix.platform }} image
     steps:
       - name: Checkout API repo
         uses: actions/checkout@v2
@@ -48,13 +53,16 @@ jobs:
           if [ "${{ github.event_name }}" = "schedule" ]; then
             VERSION=nightly
           fi
-          TAGS="${DOCKER_IMAGE}:${VERSION}"
-          if [[ $VERSION =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
-            TAGS="$TAGS,${DOCKER_IMAGE}:latest"
-          fi
+          # Platform-specific tag for this build job
+          PLATFORM_TAG=$(echo ${{ matrix.platform }} | sed 's/\//-/g')
+          TAGS="${DOCKER_IMAGE}:${VERSION}-${PLATFORM_TAG}"
+          TAGS="$TAGS,${DOCKER_IMAGE}:${{ env.GITHUB_SHA }}-${PLATFORM_TAG}"
+
           TG_API_VERSION=$(grep "project(TelegramBotApi" /home/runner/work/tdlib-telegram-bot-api-docker/tdlib-telegram-bot-api-docker/tdlib-telegram-bot-api/CMakeLists.txt | awk '{print $3}')
-          TAGS="$TAGS,$DOCKER_IMAGE:${{ env.GITHUB_SHA }},$DOCKER_IMAGE:1.0.${{ env.GITHUB_RUN_ID }},$DOCKER_IMAGE:latest,$DOCKER_IMAGE:api-$TG_API_VERSION"
           echo ::set-output name=tags::${TAGS}
+          echo ::set-output name=version::${VERSION}
+          echo ::set-output name=tg_api_version::${TG_API_VERSION}
+          echo ::set-output name=image::${DOCKER_IMAGE}
           # lowercase the branch name
           BRANCH=$(echo ${GITHUB_REF##*/} | tr '[A-Z]' '[a-z]')
           LABELS="org.opencontainers.image.revision=$GITHUB_SHA"
@@ -69,16 +77,67 @@ jobs:
         run: echo ${{ steps.prep.outputs.tags }}
       - name: Build and push
         id: docker_build
-        timeout-minutes: 900
+        timeout-minutes: 350
         uses: docker/build-push-action@v2
         with:
           builder: ${{ steps.buildx.outputs.name }}
           context: /home/runner/work/tdlib-telegram-bot-api-docker/tdlib-telegram-bot-api-docker/tdlib-telegram-bot-api
           file: /home/runner/work/tdlib-telegram-bot-api-docker/tdlib-telegram-bot-api-docker/tdlib-telegram-bot-api/Dockerfile
-          platforms: linux/arm64,linux/amd64
+          platforms: ${{ matrix.platform }}
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.prep.outputs.tags }}
           build-args: ${{ steps.prep.outputs.args }}
           labels: ${{ steps.prep.outputs.labels }}
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
+          cache-from: type=gha,scope=${{ matrix.platform }}
+          cache-to: type=gha,mode=max,scope=${{ matrix.platform }}
+    outputs:
+      version: ${{ steps.prep.outputs.version }}
+      tg_api_version: ${{ steps.prep.outputs.tg_api_version }}
+      image: ${{ steps.prep.outputs.image }}
+
+  create-manifest:
+    needs: build
+    runs-on: ubuntu-24.04
+    if: github.event_name != 'pull_request'
+    name: Create multi-arch manifest
+    steps:
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Login to GHCR
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GCHR_PAT }}
+      - name: Get build outputs
+        id: outputs
+        run: |
+          echo "VERSION=${{ needs.build.outputs.version }}" >> $GITHUB_ENV
+          echo "TG_API_VERSION=${{ needs.build.outputs.tg_api_version }}" >> $GITHUB_ENV
+          echo "IMAGE=${{ needs.build.outputs.image }}" >> $GITHUB_ENV
+      - name: Create and push manifest
+        run: |
+          # Create multi-arch manifests for all tags
+          docker buildx imagetools create -t ${IMAGE}:${VERSION} \
+            ${IMAGE}:${VERSION}-linux-amd64 \
+            ${IMAGE}:${VERSION}-linux-arm64
+
+          docker buildx imagetools create -t ${IMAGE}:${GITHUB_SHA::8} \
+            ${IMAGE}:${GITHUB_SHA::8}-linux-amd64 \
+            ${IMAGE}:${GITHUB_SHA::8}-linux-arm64
+
+          docker buildx imagetools create -t ${IMAGE}:latest \
+            ${IMAGE}:${VERSION}-linux-amd64 \
+            ${IMAGE}:${VERSION}-linux-arm64
+
+          docker buildx imagetools create -t ${IMAGE}:1.0.${GITHUB_RUN_NUMBER} \
+            ${IMAGE}:${VERSION}-linux-amd64 \
+            ${IMAGE}:${VERSION}-linux-arm64
+
+          docker buildx imagetools create -t ${IMAGE}:api-${TG_API_VERSION} \
+            ${IMAGE}:${VERSION}-linux-amd64 \
+            ${IMAGE}:${VERSION}-linux-arm64
+      - name: Inspect manifest
+        run: |
+          docker buildx imagetools inspect ${IMAGE}:${VERSION}
+          docker buildx imagetools inspect ${IMAGE}:latest