FROM golang:1.27-alpine@sha256:4cb7ac979db5fcc41cae44b2227ba5ab8a51e8807f40d9ba4dee20a0ad960b5b AS build

WORKDIR /src

ENV CGO_ENABLED=0

COPY go.mod go.sum ./
RUN go mod download

COPY cmd ./cmd
COPY internal ./internal

RUN go build -trimpath -ldflags "-s -w" -o /out/usoscal ./cmd/usoscal

FROM alpine:3.24@sha256:294b683cb724975bec92580e1e685676bd4b50bda910ddb8c51d4cabeaec77e6

WORKDIR /app

COPY --from=build /out/usoscal /usr/local/bin/usoscal

CMD ["usoscal"]