FROM docker.io/library/golang:1.25-alpine@sha256:8d95af53d0d58e1759ddb4028285d9b1239067e4fbf4f544618cad0f60fbc354 as build

ARG GOARCH=amd64

WORKDIR /app
COPY go.mod go.sum ./
RUN go mod download
COPY . .
RUN CGO_ENABLED=0 GOOS=linux GOARCH=${GOARCH} \
    go build -trimpath -ldflags="-s -w" -o main .

FROM gcr.io/distroless/static-debian12@sha256:9c346e4be81b5ca7ff31a0d89eaeade58b0f95cfd3baed1f36083ddb47ca3160
COPY --from=build /app/main /
CMD ["/main"]