.github: experimental workflow

Signed-off-by: Joachim Wiberg <[email protected]>

Author: troglobit

.github/workflows/build.yml

@@ -0,0 +1,139 @@
+name: Build and Release
+
+on:
+  push:
+    branches:
+      - main
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-appimage:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        arch: [x86_64, aarch64]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        if: matrix.arch == 'aarch64'
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: arm64
+
+      - name: Build AppImage (${{ matrix.arch }})
+        run: |
+          if [ "${{ matrix.arch }}" = "aarch64" ]; then
+            docker run --rm --platform linux/arm64 \
+              -v $PWD:/workspace -w /workspace \
+              --entrypoint /bin/bash \
+              ubuntu:22.04 -c '
+                apt-get update && \
+                apt-get install -y wget file libsdl2-dev libsdl2-ttf-dev \
+                  libsdl2-image-dev libsdl2-mixer-dev build-essential && \
+                make clean && make && make appimage
+              '
+          else
+            sudo apt-get update
+            sudo apt-get install -y libsdl2-dev libsdl2-ttf-dev \
+              libsdl2-image-dev libsdl2-mixer-dev
+            make clean && make && make appimage
+          fi
+
+      - name: Rename AppImage
+        run: |
+          mv InfixDemo-x86_64.AppImage InfixDemo-${{ matrix.arch }}.AppImage || true
+
+      - name: Upload AppImage artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: appimage-${{ matrix.arch }}
+          path: InfixDemo-${{ matrix.arch }}.AppImage
+
+  build-docker:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    strategy:
+      matrix:
+        platform: [linux/amd64, linux/arm64]
+
+    steps:
+      - 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: Log in to Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest
+            type=sha,prefix={{branch}}-
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          platforms: ${{ matrix.platform }}
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+  release:
+    needs: [build-appimage]
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Download all artifacts
+        uses: actions/download-artifact@v4
+        with:
+          path: artifacts
+
+      - name: Display structure of downloaded files
+        run: ls -R artifacts
+
+      - name: Create/Update Release
+        uses: ncipollo/release-action@v1
+        with:
+          tag: latest
+          name: Latest Build
+          body: |
+            Automated build of Infix Demo
+
+            **AppImages:**
+            - `InfixDemo-x86_64.AppImage` - x86_64 build
+            - `InfixDemo-aarch64.AppImage` - ARM64 build
+
+            **Docker images:**
+            - `ghcr.io/${{ github.repository }}:latest`
+
+            Built from commit: ${{ github.sha }}
+          artifacts: "artifacts/**/*.AppImage"
+          allowUpdates: true
+          removeArtifacts: true
+          makeLatest: true
+          token: ${{ secrets.GITHUB_TOKEN }}