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"]