FROM golang:1.21.4-alpine3.18 AS builder
RUN apk update && apk add --no-cache git
WORKDIR $GOPATH/src/sshway
COPY . .
RUN go get -d -v
RUN go build -ldflags="-w -s" -o /go/bin/sshway

FROM alpine:3.18
COPY --from=builder /go/bin/sshway /bin/sshway
EXPOSE 2222
CMD ["/bin/sshway"]