Create build.yml

Signed-off-by: Daniel Maslowski <[email protected]>

.github/workflows/build.yml

@@ -0,0 +1,35 @@
+name: u-root-builder
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+
+  build:
+    strategy:
+      matrix:
+        template: [core, boot, all, embedded, minimal]
+        arch: [amd64, arm, arm64, riscv64]
+
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        repository: u-root/u-root
+
+    - name: Set up Go
+      uses: actions/setup-go@v4
+      with:
+        go-version: '1.20'
+
+    - name: Build
+      run:
+        GOARCH=${{ matrix.arch }} go run . -uroot-source . -o u-root-${{ matrix.arch }}-${{ matrix.template }}.cpio ${{ matrix.template }}
+
+    - name: Upload
+      uses: actions/[email protected]
+      with:
+        path: u-root-${{ matrix.arch }}-${{ matrix.template }}.cpio