Add workflow for building Docker image on commit to main (#4)

Postponing pushing to a public registry, need to decide on the offical
name.

.github/workflows/build.yaml

@@ -0,0 +1,35 @@
+---
+name: "Build"
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    name: "Build Docker image and push to Dockerhub"
+    runs-on: ubuntu-latest
+    env:
+      AWS_REGION: eu-west-1
+
+    steps:
+      - uses: actions/checkout@v3
+
+      # - name: Configure AWS Credentials
+      #   uses: aws-actions/configure-aws-credentials@v1.6.1
+      #   with:
+      #     role-to-assume: arn:aws:iam::118330671040:role/duneapi-ci
+      #     aws-region: ${{ env.AWS_REGION }}
+
+      # - name: Login to Amazon ECR
+      #   id: login-ecr
+      #   uses: aws-actions/amazon-ecr-login@v1
+
+      - env:
+          GITHUB_TOKEN: ${{ secrets.DUNE_ENG_ACCESS_TOKEN }}
+          ECR_REGISTRY: public.ecr.aws/duneanalytics
+          ECR_REPOSITORY: blockchain-ingester
+        run: |
+          make image-build
+          make image-push

.github/workflows/pr.yaml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   test:
-    name: "Build Docker image and push to Dockerhub"
+    name: "Lint and test"
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3

Dockerfile

@@ -0,0 +1,24 @@
+FROM golang:1.22-bookworm AS builder
+
+RUN apt update && apt install -y curl make
+
+ARG GITHUB_TOKEN
+
+# first copy just enough to pull all dependencies, to cache this layer
+COPY go.mod go.sum Makefile /app/
+WORKDIR /app/
+RUN git config --global url."https://dune-eng:${GITHUB_TOKEN}@github.com".insteadOf "https://github.com" \
+	&& make setup
+
+# lint, build, etc..
+COPY . /app/
+RUN make build
+
+FROM debian:bookworm-slim
+RUN apt update \
+	&& apt install -y ca-certificates \
+	&& apt clean \
+	&& rm -rf /var/lib/apt/lists/*
+
+COPY --from=builder /app/ingester /app/
+ENTRYPOINT ["/app/ingester"]

Makefile

@@ -1,12 +1,12 @@
-.PHONY: all setup lint harvester test image-build image-push
+.PHONY: all setup lint build test image-build image-push
 
-APPLICATION := harvester
+APPLICATION := ingester
 GITHUB_SHA ?= HEAD
 REF_TAG := $(shell echo ${GITHUB_REF_NAME} | tr -cd '[:alnum:]')
 IMAGE_TAG := ${ECR_REGISTRY}/${ECR_REPOSITORY}:${REF_TAG}-$(shell git rev-parse --short "${GITHUB_SHA}")-${GITHUB_RUN_NUMBER}
 TEST_TIMEOUT := 10s
 
-all: lint test harvester
+all: lint test build
 
 setup: bin/golangci-lint bin/gofumpt
 	go mod download
@@ -16,8 +16,8 @@ bin/golangci-lint:
 bin/gofumpt: bin
 	GOBIN=$(PWD)/bin go install mvdan.cc/gofumpt@v0.6.0
 
-harvester: lint cmd/main.go
-	go build -o harvester cmd/main.go
+build: lint cmd/main.go
+	go build -o ingester cmd/main.go
 
 lint: bin/golangci-lint bin/gofumpt
 	go fmt ./...
@@ -31,11 +31,11 @@ test:
 	go test -timeout=$(TEST_TIMEOUT) -race -bench=. -benchmem -cover ./...
 
 image-build:
-	@echo "# Building harvester docker image..."
+	@echo "# Building ingester docker image..."
 	docker build -t $(APPLICATION) -f Dockerfile --build-arg GITHUB_TOKEN=${GITHUB_TOKEN} .
 
 image-push: image-build
-	@echo "# Pushing harvester docker image..."
+	@echo "# Pushing ingester docker image..."
 	docker tag $(APPLICATION) ${IMAGE_TAG}
-	docker push ${IMAGE_TAG}
+	# docker push ${IMAGE_TAG}
 	docker rmi ${IMAGE_TAG}