add docker build

Dockerfile

+# syntax = docker/dockerfile:1-experimental
+FROM golang:1.23-alpine AS build
+
+# Install dependencies
+RUN apk update && \
+    apk upgrade && \
+    apk add --no-cache bash git openssh make build-base
+
+WORKDIR /build
+
+COPY . /build/code
+
+RUN git clone https://code.wuban.net.cn/exchain/process /build/process
+
+RUN cd /build/code && make build-go
+#RUN cd /build/code && mv process ../ && make build-go
+
+FROM alpine
+
+WORKDIR /root
+
+COPY  --from=build /build/code/bin/* /usr/bin/
+
+ENTRYPOINT [ "/usr/bin/opnode" ]

Makefile

@@ -66,6 +66,10 @@ mod-tidy: ## Cleans up unused dependencies in Go modules
 	export GOPRIVATE="github.com/ethereum-optimism" && go mod tidy
 .PHONY: mod-tidy
 
+docker:
+	@docker build --no-cache -t exchain-node:latest .
+.PHONY: docker
+
 clean: ## Removes all generated files under bin/
 	rm -rf ./bin
 	cd packages/contracts-bedrock/ && forge clean