🐳 Add docker support

.github/workflows/pr.yaml

@@ -16,7 +16,7 @@ jobs:
       with:
         go-version: '1.21'
     - name: build
-      run: go build -v ./...
+      run: make build
     - name: golangci-lint
       run: make lint
     - name: format

Dockerfile

@@ -0,0 +1,21 @@
+# Pull golang alpine to build binary
+FROM golang:1.21-alpine3.19 as builder
+
+RUN apk add --no-cache make
+
+WORKDIR /app
+
+# Build binary
+COPY . .
+RUN make build
+
+# Use alpine to run app
+FROM alpine:3.19
+WORKDIR /app
+COPY --from=builder /app/bin/faultdetector .
+COPY --from=builder /app/config.yaml .
+
+EXPOSE 8080
+
+# Run app
+CMD [ "./faultdetector" ]

Makefile

@@ -4,6 +4,16 @@ PKGS=$(shell go list ./... | grep -v "/vendor/")
 
 .PHONY: test
 
+APP_NAME = faultdetector
+GREEN = \033[0;32m
+BLUE = \033[0;34m
+COLOR_END = \033[0;39m
+
+build:
+	@echo "$(BLUE)» Building fault detector application binary... $(COLOR_END)"
+	@CGO_ENABLED=0 go build -a -o bin/$(APP_NAME) ./cmd/
+	@echo "$(GREEN) Binary successfully built$(COLOR_END)"
+
 test:
 	@echo "Test packages"
 	@go test -race -shuffle=on -coverprofile=coverage.out -cover $(PKGS)

config.yaml

@@ -15,5 +15,5 @@ api:
 fault_detector:
   l1_rpc_endpoint: "https://rpc.notadegen.com/eth"
   l2_rpc_endpoint: "https://mainnet.optimism.io/"
-  start_batch_index: 0
+  start_batch_index: 5874
   l2_output_oracle_contract_address: "0x0000000000000000000000000000000000000000"

go.mod

@@ -1,6 +1,6 @@
 module github.com/LiskHQ/op-fault-detector
 
-go 1.21.5
+go 1.21
 
 require (
 	github.com/ethereum-optimism/optimism v1.4.2