made docker file and not sure if needed

.gitignore

@@ -1,2 +1,3 @@
 connections.log
-.ssh/
+ssh-portfilio
+/.ssh/

dockerfile

@@ -0,0 +1,22 @@
+FROM golang:1.26.2-alpine AS builder
+
+WORKDIR /app
+
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY . .
+
+RUN go build -o ssh-portfolio-app .
+
+FROM alpine:latest
+
+WORKDIR /root/
+
+RUN apk add --no-cache ca-certificates
+
+COPY --from=builder /app/ssh-portfolio-app .
+
+EXPOSE 2222
+
+CMD ["./ssh-portfolio-app"]