Add release workflow and fix arm

.github/workflows/build.yml

@@ -34,6 +34,8 @@ jobs:
         with:
           context: ./
           file: ./docker/${{ matrix.target }}.Dockerfile
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
           pull: true
           push: false
           tags: ink-toolchain:dev

.github/workflows/release.yml

@@ -0,0 +1,57 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "v**"
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        platform: [ amd64, arm64 ]
+        target:
+          - aarch64-unknown-linux-musl
+          - armv7-unknown-linux-musleabihf
+          - x86_64-unknown-linux-musl
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Docker Setup Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Build Docker
+        uses: docker/build-push-action@v5
+        with:
+          context: ./
+          file: ./docker/${{ matrix.target }}.Dockerfile
+          no-cache: true
+          pull: true
+          push: false
+          tags: ink-toolchain:dev
+          platforms: linux/${{ matrix.platform }}
+          builder: ${{ steps.buildx.outputs.name }}
+      - name: Extract
+        run: TARGETARCH='${{ matrix.platform }}' ./scripts/extract.sh
+      - name: Rename
+        shell: bash
+        working-directory: ./export
+        run: for f in *.tar.gz; do mv "$f" "${{ matrix.platform }}+$f"; done
+      - name: Hash
+        shell: bash
+        working-directory: ./export
+        run: for f in *.tar.gz; do sha256sum "$f" > "$f".sha256; done
+      - name: Create and push artifacts to release
+        uses: ncipollo/release-action@v1
+        with:
+          tag: ${{ github.ref_name }}
+          name: ${{ github.ref_name }}
+          allowUpdates: true
+          artifacts: "./export/*.tar.gz,./export/*.sha256"

README.md

@@ -29,7 +29,6 @@ TODO
 
 ```shell
 docker buildx build \
-  --log-opt max-size=50m \
   -f ./docker/$TARGET.Dockerfile \
   -t ink-toolchain:dev \
   .