FROM golang:1.24.0@sha256:a14c5a656f220b7067734beebef6362b0858a61d766ccaf320e0553329e1f34e as build
WORKDIR /build
ENV CGO_ENABLED=0
ADD . /build
RUN if [ $(go mod tidy -v 2>&1 | grep -c unused) != 0 ]; then echo "Unused modules, please run 'go mod tidy'"; exit 1; fi
RUN go fmt ./...
RUN go vet ./...
RUN CGO_ENABLED=1 go test -mod=readonly -race -coverprofile=.testCoverage.txt.tmp -covermode=atomic -coverpkg=$(go list ./... | tr '\n' , | sed 's/,$//') ./...
RUN cat .testCoverage.txt.tmp | grep -v generated.go | grep -v _gen.go > .testCoverage.txt
RUN go tool cover -html=.testCoverage.txt -o coverage.html
RUN go tool cover -func=.testCoverage.txt

RUN GOOS=linux GOARCH=amd64 go build \
        -tags prod \
        -a -installsuffix cgo \
        -mod=readonly \
        -o /release/dancefetcher \
         -ldflags '-w -s' \
         ./cmd/dancefetcher/dancefetcher.go

FROM scratch
COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
COPY --from=build /release/dancefetcher /
CMD ["/dancefetcher"]