feat: add official docker img with better caching

.github/workflows/release.yml

@@ -83,3 +83,50 @@ jobs:
           file: target/${{ matrix.target }}/release-ci/${{ matrix.artifact_name }}
           asset_name: ${{ matrix.release_name }}
           tag: ${{ github.ref }}
+
+  docker:
+    name: Build and Push Docker Image
+    runs-on: ubuntu-latest
+    needs: publish
+    if: startsWith(github.ref, 'refs/tags/v')
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GitHub Container Registry
+        if: startsWith(github.ref, 'refs/tags/v')
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels)
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/v') }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: ${{ startsWith(github.ref, 'refs/tags/v') }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

Dockerfile

@@ -1,20 +1,28 @@
 ARG RUST_VERSION=slim
-FROM docker.io/library/rust:${RUST_VERSION} AS build
-WORKDIR /app
-COPY . /app
+FROM docker.io/library/rust:${RUST_VERSION} AS chef
 
+RUN cargo install cargo-chef --locked
 RUN apt-get update && apt-get install -y \
     cmake \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
-RUN cargo install --path .
-RUN strip /usr/local/cargo/bin/oha
+WORKDIR /app
 
-# Target image
-FROM registry.fedoraproject.org/fedora-minimal
-USER 65535
+FROM chef AS planner
+COPY . .
+RUN cargo chef prepare --recipe-path recipe.json
 
-COPY --chown=65535:65535 --from=build /usr/local/cargo/bin/oha /bin/
+FROM chef AS builder
+COPY --from=planner /app/recipe.json recipe.json
 
+RUN cargo chef cook --release --no-default-features --features rustls --recipe-path recipe.json
+
+COPY . .
+RUN cargo build --release --no-default-features --features rustls --bin oha
+RUN strip /app/target/release/oha
+
+FROM registry.fedoraproject.org/fedora-minimal AS runtime
+USER 65535
+COPY --chown=65535:65535 --from=builder /app/target/release/oha /bin/
 ENTRYPOINT ["/bin/oha"]