Docker 镜像制作教程：针对不同语言的精简策略

基础镜像选择

• alpine(musl libc)
• slim(debian + glibc)
• scratch(null)
• busybox:glibc

Go

FROM golang:alpine
COPY hello.go .
RUN go build hello.go

FROM alpine
COPY --from=0 /go/hello .
CMD ["./hello"]

C

FROM alpine
RUN apk add build-base
COPY hello.c .
RUN gcc -o hello hello.c

FROM alpine
COPY --from=0 hello .
CMD ["./hello"]

Java

openjdk:8-jdk-slim
openjdk:8-jre-slim
openjdk:11-jdk-slim
openjdk:11-jre-slim

Rust

Ubuntu/Debian/Fedora
rust:alpine
scratch