ci: add docker release workflow (paradigmxyz#2985)

.github/workflows/docker.yml

@@ -0,0 +1,44 @@
+name: docker
+
+on:
+  push:
+    tags:
+      - v*
+
+env:
+  REPO_NAME: ${{ github.repository_owner }}/reth
+  IMAGE_NAME: ${{ github.repository_owner }}/reth
+  RUSTFLAGS: -D warnings
+  CARGO_TERM_COLOR: always
+  DOCKER_IMAGE_NAME: ghcr.io/${{ github.repository_owner }}/reth
+  DOCKER_USERNAME: ${{ github.actor }}
+
+jobs:
+  build:
+    name: build and push
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v3
+      - name: Get latest version of stable Rust
+        run: rustup update stable
+      - uses: Swatinem/rust-cache@v2
+        with:
+          cache-on-failure: true
+
+      - name: Log in to Docker
+        run: |
+          echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io --username ${DOCKER_USERNAME} --password-stdin
+
+      - name: Set up Docker builder
+        run: |
+          docker run --privileged --rm tonistiigi/binfmt --install arm64,amd64
+          docker buildx create --use --name cross-builder
+
+      - name: Build and push image
+        run: |
+          cargo install cross
+          env PROFILE=maxperf make docker-build-latest

Dockerfile.cross

@@ -0,0 +1,12 @@
+# This image is meant to enable cross-architecture builds.
+# It assumes the reth binary has already been compiled for `$TARGETPLATFORM` and is
+# locatable in `./dist/bin/$TARGETARCH`
+FROM --platform=$TARGETPLATFORM ubuntu:22.04
+
+# Filled by docker buildx
+ARG TARGETARCH
+
+COPY ./dist/bin/$TARGETARCH/reth /usr/local/bin/reth
+
+EXPOSE 30303 30303/udp 9000 8545 8546
+ENTRYPOINT ["/usr/local/bin/reth", "node"]

Makefile

@@ -1,6 +1,6 @@
 # Heavily inspired by Lighthouse: https://github.com/sigp/lighthouse/blob/693886b94176faa4cb450f024696cb69cda2fe58/Makefile
 
-GIT_TAG := $(shell git describe --tags --candidates 1)
+GIT_TAG := $(shell git describe --tags --abbrev=0)
 BIN_DIR = "dist/bin"
 
 BUILD_PATH = "target"
@@ -24,6 +24,9 @@ EF_TESTS_TAG := v12.2
 EF_TESTS_URL := https://github.com/ethereum/tests/archive/refs/tags/$(EF_TESTS_TAG).tar.gz
 EF_TESTS_DIR := ./testing/ef-tests/ethereum-tests
 
+# The docker image name
+DOCKER_IMAGE_NAME ?= ghcr.io/paradigmxyz/reth
+
 # Builds and installs the reth binary.
 #
 # The binary will most likely be in `~/.cargo/bin`
@@ -104,6 +107,42 @@ $(EF_TESTS_DIR):
 ef-tests: $(EF_TESTS_DIR)
 	cargo nextest run -p ef-tests --features ef-tests
 
+# Builds and pushes a cross-arch Docker image tagged with the latest git tag and `latest`
+#
+# Note: This requires a buildx builder with emulation support. For example:
+#
+# `docker run --privileged --rm tonistiigi/binfmt --install amd64,arm64`
+# `docker buildx create --use --driver docker-container --name cross-builder`
+docker-build-latest:
+	$(call build_docker_image,$(GIT_TAG),latest)
+
+# Builds and pushes cross-arch Docker image tagged with the latest git tag with a `-nightly` suffix, and `latest-nightly`
+#
+# Note: This requires a buildx builder with emulation support. For example:
+#
+# `docker run --privileged --rm tonistiigi/binfmt --install amd64,arm64`
+# `docker buildx create --use --name cross-builder`
+docker-build-nightly:
+	$(call build_docker_image,$(GIT_TAG)-nightly,latest-nightly)
+
+# Create a cross-arch Docker image with the given tags and push it
+define build_docker_image
+	$(MAKE) build-x86_64-unknown-linux-gnu
+	mkdir -p $(BIN_DIR)/amd64
+	cp $(BUILD_PATH)/x86_64-unknown-linux-gnu/$(PROFILE)/reth $(BIN_DIR)/amd64/reth
+
+	$(MAKE) build-aarch64-unknown-linux-gnu
+	mkdir -p $(BIN_DIR)/arm64
+	cp $(BUILD_PATH)/aarch64-unknown-linux-gnu/$(PROFILE)/reth $(BIN_DIR)/arm64/reth
+
+	docker buildx build --file ./Dockerfile.cross . \
+		--platform linux/amd64,linux/arm64 \
+		--tag $(DOCKER_IMAGE_NAME):$(1) \
+		--tag $(DOCKER_IMAGE_NAME):$(2) \
+		--provenance=false \
+		--push
+endef
+
 # Performs a `cargo` clean and removes the binary and test vectors directories
 clean:
 	cargo clean