initial image

.github/workflows/build.yml

@@ -0,0 +1,59 @@
+name: build
+
+on:
+  push:
+    branches: [main]
+  workflow_dispatch:
+
+env:
+  IMAGE: ghcr.io/agresdominik/texlive
+
+jobs:
+  build:
+    name: build ${{ matrix.arch }}
+    runs-on: ${{ matrix.runner }}
+    permissions:
+      contents: read
+      packages: write
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - { runner: ubuntu-24.04, arch: amd64 }
+          - { runner: ubuntu-24.04-arm, arch: arm64 }
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/setup-buildx-action@v3
+      - uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/${{ matrix.arch }}
+          push: true
+          tags: ${{ env.IMAGE }}:${{ github.sha }}-${{ matrix.arch }}
+          cache-from: type=gha,scope=${{ matrix.arch }}
+          cache-to: type=gha,mode=max,scope=${{ matrix.arch }}
+
+  manifest:
+    name: merge manifest
+    needs: build
+    runs-on: ubuntu-24.04
+    permissions:
+      packages: write
+    steps:
+      - uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Create multi-arch manifests
+        run: |
+          for tag in latest "${GITHUB_SHA}"; do
+            docker buildx imagetools create -t "${IMAGE}:${tag}" \
+              "${IMAGE}:${GITHUB_SHA}-amd64" \
+              "${IMAGE}:${GITHUB_SHA}-arm64"
+          done