dockerfile allowing to run redli from a container without pre-install…

…ation

Dockerfile

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+FROM golang:1.14-alpine as builder
+
+RUN apk add --no-cache ca-certificates git
+
+WORKDIR /src
+COPY go.mod ./
+RUN go mod download
+COPY . .
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a --ldflags '-s -w -extldflags "-static"' -tags netgo -installsuffix netgo -o ./redli
+
+
+FROM alpine:3.9
+RUN apk --no-cache add ca-certificates
+COPY --from=builder /src/redli /redli
+ENTRYPOINT ["/redli"]