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FROM golang:1-alpine AS builder
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RUN apk add --no-cache git upx
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RUN CGO_ENBALED=0 go get -ldflags '-w' github.com/yudai/gotty
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RUN mv ${GOPATH}/bin/gotty /bin/ && \
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upx --brute /bin/gotty
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FROM alpine:3.7
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COPY --from=builder /bin/gotty /bin/gotty
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ENTRYPOINT ["/bin/gotty"]
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