使用buildpack-deps 构建自己的容器镜像

buildpack-deps 是docker hub 官方提供的一个构建类似heroku stack 镜像的工具包，如果自己看的话，好多docker 官方的基础镜像都基于此基础镜像
进行构建的，buildpack-deps 已经提供了好多内置好多依赖库，可以简化我们的镜像部署，同时官方也提供了debian以及ubuntu 等的镜像，很值得使用

参考镜像构建

• golang 官方

 

FROM buildpack-deps:buster-scm

​

# gcc for cgo

RUN apt-get update && apt-get install -y --no-install-recommends 

    g++ 

    gcc 

    libc6-dev 

    make 

    pkg-config 

  && rm -rf /var/lib/apt/lists/*

​

ENV PATH /usr/local/go/bin:$PATH

​

ENV GOLANG_VERSION 1.14.6

​

RUN set -eux; 

# this "case" statement is generated via "update.sh"

  dpkgArch="$(dpkg --print-architecture)"; 

  case "${dpkgArch##*-}" in 

    amd64) goRelArch='linux-amd64'; goRelSha256='5c566ddc2e0bcfc25c26a5dc44a440fcc0177f7350c1f01952b34d5989a0d287' ;; 

    armhf) goRelArch='linux-armv6l'; goRelSha256='cab39cc0fdf9731476a339af9d7bcd8fc661bfa323abb1ce9d1633fb31daeb07' ;; 

    arm64) goRelArch='linux-arm64'; goRelSha256='291bccfd7d7f1915599bbcc90e49d9fccfcb0004b7c62a2f5cdf0f96a09d6a3e' ;; 

    i386) goRelArch='linux-386'; goRelSha256='17b2c4e26bd3a82a0a44499ae2d36e3f2155d0fe2f6b9a14ac6b7c5afac3ca6a' ;; 

    ppc64el) goRelArch='linux-ppc64le'; goRelSha256='8eb4c84e7b6aa9edb966c467dd6764d131a57d27afbd87cc8f6d10535df9e898' ;; 

    s390x) goRelArch='linux-s390x'; goRelSha256='cb1f2d001ce15e51f7c4bd43f15045ea23d49268010bb981110242a532138749' ;; 

    *) goRelArch='src'; goRelSha256='73fc9d781815d411928eccb92bf20d5b4264797be69410eac854babe44c94c09'; 

      echo >&2; echo >&2 "warning: current architecture ($dpkgArch) does not have a corresponding Go binary release; will be building from source"; echo >&2 ;; 

  esac; 

  url="https://golang.org/dl/go${GOLANG_VERSION}.${goRelArch}.tar.gz"; 

  wget -O go.tgz "$url" --progress=dot:giga; 

  echo "${goRelSha256} *go.tgz" | sha256sum -c -; 

  tar -C /usr/local -xzf go.tgz; 

  rm go.tgz; 

# https://github.com/golang/go/issues/38536#issuecomment-616897960

  if [ "$goRelArch" = 'src' ]; then 

    savedAptMark="$(apt-mark showmanual)"; 

    apt-get update; 

    apt-get install -y --no-install-recommends golang-go; 

    goEnv="$(go env | sed -rn -e '/^GO(OS|ARCH|ARM|386)=/s//export /p')"; 

    eval "$goEnv"; 

    [ -n "$GOOS" ]; 

    [ -n "$GOARCH" ]; 

    ( 

      cd /usr/local/go/src; 

      ./make.bash; 

    ); 

    apt-mark auto '.*' > /dev/null; 

    apt-mark manual $savedAptMark > /dev/null; 

    apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; 

    rm -rf /var/lib/apt/lists/*; 

# pre-compile the standard library, just like the official binary release tarballs do

    go install std; 

# go install: -race is only supported on linux/amd64, linux/ppc64le, linux/arm64, freebsd/amd64, netbsd/amd64, darwin/amd64 and windows/amd64

#   go install -race std; 

# remove a few intermediate / bootstrapping files the official binary release tarballs do not contain

    rm -rf 

      /usr/local/go/pkg/*/cmd 

      /usr/local/go/pkg/bootstrap 

      /usr/local/go/pkg/obj 

      /usr/local/go/pkg/tool/*/api 

      /usr/local/go/pkg/tool/*/go_bootstrap 

      /usr/local/go/src/cmd/dist/dist 

    ; 

  fi; 

  go version

​

ENV GOPATH /go

ENV PATH $GOPATH/bin:$PATH

RUN mkdir -p "$GOPATH/src" "$GOPATH/bin" && chmod -R 777 "$GOPATH"

WORKDIR $GOPATH

说明

cncf 的buildpacks 也是一个很不错的选择，目前还在孵化中, 同时cloudfoundry 基于buildpacks模式也已经提供了好多语言的支持

参考资料

https://github.com/docker-library/buildpack-deps
https://hub.docker.com/_/buildpack-deps/
https://github.com/heroku/stack-images/
https://github.com/buildpacks