chore: Add reproducible build docker and github release workflow

.github/workflows/release.yml

@@ -0,0 +1,57 @@
+name: Release
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+  KANIKO_VERSION: gcr.io/kaniko-project/executor@sha256:9e69fd4330ec887829c780f5126dd80edc663df6def362cd22e79bcdf00ac53f
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    strategy:
+      matrix:
+        binary: [proxy-client, proxy-server]
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@9ec57ed1fcdf50867830130cc04c4d1bb9de141d
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-${{ matrix.binary }}
+          tags: |
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=sha
+
+      - name: Build and Push with Kaniko
+        run: |
+          mkdir -p /home/runner/.docker
+
+          echo '{"auths":{"${{ env.REGISTRY }}":{"auth":"'$(echo -n "${{ github.actor }}:${{ secrets.GITHUB_TOKEN }}" | base64)'"}}}'> /home/runner/.docker/config.json
+
+          docker run \
+            -v ${{ github.workspace }}:/workspace \
+            -v /home/runner/.docker/config.json:/kaniko/.docker/config.json \
+            ${{ env.KANIKO_VERSION }} \
+            --context /workspace \
+            --dockerfile /workspace/Dockerfile \
+            --reproducible \
+            --cache=true \
+            --cache-repo ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-cache \
+            --build-arg BINARY=${{ matrix.binary }} \
+            --destination ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-${{ matrix.binary }}:${{ steps.meta.outputs.version }} \
+            ${{ join(steps.meta.outputs.tags-csv | split(',') | map(format('--destination %s', @)), ' ') }}

Dockerfile

@@ -0,0 +1,11 @@
+FROM golang:1.24rc2-bullseye@sha256:236da40764c1bcf469fcaf6ca225ca881c3f06cbd1934e392d6e4af3484f6cac AS builder
+
+ARG BINARY=proxy-client
+WORKDIR /app
+COPY ./ /app
+RUN make build-${BINARY}
+
+FROM gcr.io/distroless/cc-debian12:nonroot-6755e21ccd99ddead6edc8106ba03888cbeed41a
+ARG BINARY
+COPY --from=builder /app/build/${BINARY} /app
+ENTRYPOINT [ "/app" ]

Makefile

@@ -26,12 +26,12 @@ build: clean build-proxy-client build-proxy-server ## Build the proxy client and
 .PHONY: build-proxy-client
 build-proxy-client: ## Build the proxy client
 	@mkdir -p ./build
-	go build -trimpath -ldflags "-X github.com/flashbots/cvm-reverse-proxy/common.Version=${VERSION}" -v -o ./build/proxy-client cmd/proxy-client/main.go
+	go build -trimpath -ldflags "-s -w -buildid= -X github.com/flashbots/cvm-reverse-proxy/common.Version=${VERSION}" -v -o ./build/proxy-client cmd/proxy-client/main.go
 
 .PHONY: build-proxy-server
 build-proxy-server: ## Build the proxy server
 	@mkdir -p ./build
-	go build -trimpath -ldflags "-X github.com/flashbots/cvm-reverse-proxy/common.Version=${VERSION}" -v -o ./build/proxy-server cmd/proxy-server/main.go
+	go build -trimpath -ldflags "-s -w -buildid= -X github.com/flashbots/cvm-reverse-proxy/common.Version=${VERSION}" -v -o ./build/proxy-server cmd/proxy-server/main.go
 
 ##@ Test & Development