feat: Build for amd64 and arm64 using depot.dev

.dockerignore

@@ -1,6 +1,8 @@
 .git*
+linux-*.elf
 linux*.bin
 linux*.tar.xz
+linux*.ext2
 configs
 README.md
 work

.github/workflows/main.yml

@@ -1,81 +1,58 @@
 name: Build
 on: [push]
-<<<<<<< HEAD
-=======
-env:
-  KERNEL_VERSION: 5.15.63-ctsi-2
-  RISCV_PK_VERSION: 1.0.0-ctsi-1
-  TOOLCHAIN_REPOSITORY: cartesi/toolchain
-  TOOLCHAIN_VERSION: 0.15.0
->>>>>>> cc77330 (feat!: Update toolchain version to v0.15.0)
+permissions:
+  id-token: write
+  packages: write
+  contents: read
 jobs:
   build:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v3
-<<<<<<< HEAD
 
       - name: Retrieve environment variables
         run: make env >> $GITHUB_ENV
 
       - name: Copy default Cartesi Linux config
         run: make cartesi-linux-config
 
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
-=======
->>>>>>> cc77330 (feat!: Update toolchain version to v0.15.0)
-
-      - name: Set up Docker Buildx
-        id: buildx
-        uses: docker/setup-buildx-action@v2
-
       - name: Docker meta
         id: docker_meta
         uses: docker/metadata-action@v4
         with:
-          images: ${{ github.repository_owner }}/linux-kernel
+          images: |
+            ghcr.io/${{ github.repository_owner }}/linux-kernel
+            docker.io/${{ github.repository_owner }}/linux-kernel,enable=${{ github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/heads/release/') || startsWith(github.ref, 'refs/tags/v') }}
           tags: |
             type=ref,event=branch
             type=semver,pattern={{version}}
 
-<<<<<<< HEAD
-      - name: Login to GHCR
-=======
       - name: Login to Docker Hub
->>>>>>> cc77330 (feat!: Update toolchain version to v0.15.0)
         uses: docker/login-action@v2
         with:
-          registry: ghcr.io
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
 
-<<<<<<< HEAD
-      - name: Download dependencies
-        run: make download
-=======
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v2
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Download linux and riscv-pk
-        run: make checksum
+      - name: Download dependencies
+        run: make download
 
-      - name: Copy default Cartesi Linux config
-        run: make cartesi-linux-config
->>>>>>> cc77330 (feat!: Update toolchain version to v0.15.0)
+      - name: Set up Depot CLI
+        uses: depot/setup-action@v1
 
       - name: Build docker image
         id: docker_build
-        uses: docker/build-push-action@v4
+        uses: depot/build-push-action@v1
         with:
           context: .
-          builder: ${{ steps.buildx.outputs.name }}
-          platforms: linux/amd64
-          tags: ${{ steps.docker_meta.outputs.tags }}
+          platforms: linux/amd64,linux/arm64
+          tags: cartesi/linux-kernel:devel
           push: false
           load: true
           build-args: |
@@ -86,9 +63,10 @@ jobs:
             RISCV_PK_VERSION=${{ env.RISCV_PK_VERSION }}
           cache-from: type=gha,scope=regular
           cache-to: type=gha,mode=max,scope=regular
+          project: ${{ vars.DEPOT_PROJECT }}
 
-      - name: Export artifacts
-        run: make copy IMG=`echo "${{ steps.docker_meta.outputs.tags }}" | head -1 | cut -d "," -f 1 | xargs`
+      - name: Export linux.bin artifact
+        run: make copy
 
       - name: Upload artifacts
         uses: actions/upload-artifact@v3
@@ -106,12 +84,10 @@ jobs:
 
       - name: Push docker image
         id: docker_push
-        uses: docker/build-push-action@v4
-        if: ${{ startsWith(github.ref, 'refs/tags/v') || (github.ref == 'refs/heads/develop') }}
+        uses: depot/build-push-action@v1
         with:
           context: .
-          builder: ${{ steps.buildx.outputs.name }}
-          platforms: linux/amd64
+          platforms: linux/amd64,linux/arm64
           tags: ${{ steps.docker_meta.outputs.tags }}
           push: true
           load: false
@@ -123,3 +99,4 @@ jobs:
             RISCV_PK_VERSION=${{ env.RISCV_PK_VERSION }}
           cache-from: type=gha,scope=regular
           cache-to: type=gha,mode=max,scope=regular
+          project: ${{ vars.DEPOT_PROJECT }}