FROM golang:1.27-alpine@sha256:f92b6ef800e499660581efdabdf25d9d817a9d124eaf900924f0504e7e27e12d 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"]