Use Go Module Cache For Tests in CI

.github/workflows/ci.yml

@@ -50,9 +50,19 @@ jobs:
       uses: actions/checkout@v3
 
     - name: Set up Go
+      id: setup-go
       uses: actions/setup-go@v4
       with:
         go-version: ${{ matrix.goversion }}
+        cache-dependency-path: "**/go.sum"
+
+    - name: Ensure Module Path
+      run: mkdir -p /opt/go/pkg/mod
+
+    - name: Copy From Module Cache
+      if: steps.setup-go.outputs.cache-hit == 'true'
+      run: |
+        rsync -au "/home/runner/go/pkg/" "/opt/go/pkg"
 
     - name: Install Docker Compose
       uses: KengoTODA/actions-setup-docker-compose@92cbaf8ac8c113c35e1cedd1182f217043fbdd00
@@ -64,9 +74,18 @@ jobs:
     - name: Start Vault
       run: |
         docker-compose -f docker-compose.yml -f docker-compose.dev.yml up -d vault;
-        sleep 3;
+        sleep 3
 
     - name: Run Tests
       run: |
         export VAULT_TOKEN=$(docker logs grant-vault 2>&1 | grep "Root Token" | tail -1 | cut -d ' ' -f 3 );
-        docker-compose -f docker-compose.yml -f docker-compose.dev.yml run --rm dev make;
+        docker-compose -f docker-compose.yml -f docker-compose.dev.yml run --rm -v /opt/go/pkg:/go/pkg dev make
+
+    - name: Ensure Module Directory
+      if: steps.setup-go.outputs.cache-hit != 'true'
+      run: mkdir -p /home/runner/go/pkg
+
+    - name: Copy To Module Cache
+      run: |
+        sudo rsync -au "/opt/go/pkg/" "/home/runner/go/pkg"
+        sudo chown -R runner:runner /home/runner/go/pkg

Dockerfile

@@ -1,33 +1,28 @@
 FROM golang:1.18-alpine as builder
 
-
-# put certs in builder image
+# Put certs in builder image.
 RUN apk update
 RUN apk add -U --no-cache ca-certificates && update-ca-certificates
-RUN apk add make
-RUN apk add build-base
-RUN apk add git
-RUN apk add bash
+RUN apk add make build-base git bash
 
 ARG VERSION
 ARG BUILD_TIME
 ARG COMMIT
 
 WORKDIR /src
 COPY . ./
-RUN chown -R nobody:nobody /src/
-RUN mkdir /.cache
-RUN chown -R nobody:nobody /.cache
+
+RUN chown -R nobody:nobody /src/ && mkdir /.cache && chown -R nobody:nobody /.cache
 
 USER nobody
-RUN cd main && go mod download
 
-RUN cd main && CGO_ENABLED=0 GOOS=linux go build \
+RUN cd main && go mod download && CGO_ENABLED=0 GOOS=linux go build \
     -ldflags "-w -s -X main.version=${VERSION} -X main.buildTime=${BUILD_TIME} -X main.commit=${COMMIT}" \
     -o bat-go main.go
 
 FROM alpine:3.15 as base
-# put certs in artifact from builder
+
+# Put certs in artifact from builder.
 COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
 COPY --from=builder /src/main/bat-go /bin/
 
@@ -38,4 +33,3 @@ FROM base as artifact
 COPY --from=builder /src/migrations/ /migrations/
 EXPOSE 3333
 CMD ["bat-go", "serve", "grant", "--enable-job-workers", "true"]
-

Makefile

@@ -189,8 +189,7 @@ format:
 format-lint:
 	make format && make lint
 
-lint:
-	docker volume create batgo_lint_gomod
+lint: ensure-gomod-volume
 	docker run --rm -v "$$(pwd):/app" -v batgo_lint_gomod:/go/pkg --workdir /app/main golangci/golangci-lint:v1.49.0 golangci-lint run -v ./...
 	docker run --rm -v "$$(pwd):/app" -v batgo_lint_gomod:/go/pkg --workdir /app/cmd golangci/golangci-lint:v1.49.0 golangci-lint run -v ./...
 	docker run --rm -v "$$(pwd):/app" -v batgo_lint_gomod:/go/pkg --workdir /app/libs golangci/golangci-lint:v1.49.0 golangci-lint run -v ./...
@@ -208,3 +207,6 @@ download-mod:
 	cd ./serverless/email/status && go mod download && cd ../../..
 	cd ./serverless/email/unsubscribe && go mod download && cd ../../..
 	cd ./serverless/email/webhook && go mod download && cd ../../..
+
+ensure-gomod-volume:
+	docker volume create batgo_lint_gomod