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ARG BASE_IMAGE=golang:latest
FROM $BASE_IMAGE as builder
WORKDIR $GOPATH/src/github.com/zachlatta/sshtron
ADD . .
# CGO_ENABLED=0 is here to fix this issue:
# https://stackoverflow.com/questions/34729748/installed-go-binary-not-found-in-path-on-alpine-linux-docker
RUN go get && CGO_ENABLED=0 go build -o /usr/bin/sshtron .
FROM alpine:latest
COPY --from=builder /usr/bin/sshtron /usr/bin/
RUN apk add --update openssh-client && \
ssh-keygen -t rsa -N "" -f id_rsa
ENTRYPOINT sshtron
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