refact

Dockerfile

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+# Build stage
+FROM golang:1.26.1-alpine AS builder
+
+WORKDIR /app
+
+# Install dependencies
+COPY go.mod ./
+# COPY go.sum ./ # Uncomment if you have a go.sum file
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build the application
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o bbs-server main.go
+
+# Final stage
+FROM alpine:latest
+
+RUN apk --no-cache add ca-certificates tzdata
+
+WORKDIR /root/
+
+# Copy the binary from the builder stage
+COPY --from=builder /app/bbs-server .
+
+# Expose the port
+EXPOSE 2323
+
+# Run the binary
+CMD ["./bbs-server"]