FROM golang:1.25-alpine AS builder

WORKDIR /app

COPY go.mod go.sum ./
RUN go mod download

COPY . .
RUN CGO_ENABLED=0 GOOS=linux go build -o yule main.go

FROM alpine:latest

RUN apk --no-cache add ca-certificates

WORKDIR /app

COPY --from=builder /app/yule .

EXPOSE 2222

CMD ["./yule"]