dockerfile: fix dockerfile
-FROM golang:1.12.1 as build
+FROM golang:1.12.1-alpine as build
+RUN apk add --no-cache git
RUN mkdir /src
COPY go.mod /src/go.mod
@@ -10,6 +11,5 @@ RUN (cd /src/cmd/wavelet; go build)
FROM alpine:3.9
-RUN mkdir /exec
COPY --from=build /src/cmd/wavelet/ .
ENTRYPOINT ["./wavelet"]
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