Yule init

Dockerfile

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+FROM golang:1.23-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"]