Techniques for building small, efficient Docker images with focus on Alpine, scratch, and Go binaries. Multi-Stage Builds Basic Multi-Stage Build 1# Build stage 2FROM golang:1.21-alpine AS builder 3WORKDIR /app 4COPY go.mod go.sum ./ 5RUN go mod download 6COPY . . 7RUN go build -o myapp 8 9# Final stage 10FROM …