feat: initial commit

Dockerfile

@@ -0,0 +1,37 @@
+FROM golang:1.15 as build
+ARG CODECOV_ENV
+ARG CODECOV_TOKEN
+ARG CODECOV_URL
+ARG CODECOV_SLUG
+ARG VCS_COMMIT_ID
+ARG VCS_BRANCH_NAME
+ARG VCS_PULL_REQUEST
+ARG VCS_SLUG
+ARG VCS_TAG
+ARG CI_BUILD_URL
+ARG CI_BUILD_ID
+ARG CI_JOB_ID
+ARG GITLAB_CI
+ARG CI_BUILD_REF_NAME
+ARG CI_BUILD_ID
+ARG CI_BUILD_REPO
+ARG CI_BUILD_REF
+WORKDIR /build
+ENV CGO_ENABLED=0
+ADD . /build
+RUN if [ $(go mod tidy -v 2>&1 | grep -c unused) != 0 ]; then echo "Unused modules, please run 'go mod tidy'"; exit 1; fi
+RUN go fmt ./...
+RUN go vet ./...
+RUN CGO_ENABLED=1 go test -mod=readonly -race -coverprofile=coverage.txt.tmp -covermode=atomic -coverpkg=$(go list ./... | tr '\n' , | sed 's/,$//') ./...
+RUN ["/bin/bash", "-c", "cat coverage.txt.tmp | grep -v -f <(find . -type f | xargs grep -l 'Code generated') > coverage.txt"]
+RUN go tool cover -html=coverage.txt -o coverage.html
+RUN go tool cover -func=coverage.txt
+RUN rm coverage.txt.tmp
+RUN curl -s https://codecov.io/bash | bash
+
+RUN GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -mod=readonly -o release/cron-checker -ldflags '-w -s'
+
+FROM scratch
+COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
+COPY --from=build /build/release/cron-checker /
+CMD ["/cron-checker"]