initial commit

Dockerfile

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+FROM golang:1.24-alpine AS builder
+WORKDIR /build
+COPY go.mod go.sum ./
+RUN go mod download
+COPY . .
+RUN CGO_ENABLED=0 go build -o /restxlsx .
+
+FROM scratch
+COPY --from=builder /restxlsx /restxlsx
+COPY data/sample.xlsx /data/sample.xlsx
+EXPOSE 8080
+ENTRYPOINT ["/restxlsx"]