适用于生产环境的 Dockerfile

FROM centos:7
RUN yum install -y automake \
                   curl \
                   python \
                   vim

ADD http://pyropus.ca/software/memtester/old-versions/memtester-4.3.0.tar.gz tmp/
RUN tar -xvf tmp/memtester-4.3.0.tar.gz -C tmp
RUN make -C tmp/memtester-4.3.0 && make -C tmp/memtester-4.3.0 install

RUN wget -O tmp/memtester-4.3.0.tar.gz http://pyropus.ca/software/memtester/old-versions/memtester-4.3.0.tar.gz \
&& tar -xvf tmp/memtester-4.3.0.tar.gz -C tmp \
&& make -C tmp/memtester-4.3.0 && make -C tmp/memtester-4.3.0 install

FROM debian:buster-slim


LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"


ENV NGINX_VERSION   1.19.2
ENV NJS_VERSION     0.4.3
ENV PKG_RELEASE     1~buster


RUN set -x \
# create nginx user/group first, to be consistent throughout docker variants
    && addgroup --system --gid 101 nginx \
    && adduser --system --disabled-login --ingroup nginx --no-create-home --home nonexistent --gecos "nginx user" --shell bin/false --uid 101 nginx \
    && apt-get update \
    && apt-get install --no-install-recommends --no-install-suggests -y gnupg1 ca-certificates \
    && \
    NGINX_GPGKEY=573BFD6B3D8FBC641079A6ABABF5BD827BD9BF62; \
    found=''; \
    for server in \
        ha.pool.sks-keyservers.net \
        hkp://keyserver.ubuntu.com:80 \
        hkp://p80.pool.sks-keyservers.net:80 \
        pgp.mit.edu \
    ; do \
        echo "Fetching GPG key $NGINX_GPGKEY from $server"; \
        apt-key adv --keyserver "$server" --keyserver-options timeout=10 --recv-keys "$NGINX_GPGKEY" && found=yes && break; \
    done; \
    test -z "$found" && echo >&2 "error: failed to fetch GPG key $NGINX_GPGKEY" && exit 1; \
    apt-get remove --purge --auto-remove -y gnupg1 && rm -rf var/lib/apt/lists/* \
    && dpkgArch="$(dpkg --print-architecture)" \
    && nginxPackages=" \
        nginx=${NGINX_VERSION}-${PKG_RELEASE} \
        nginx-module-xslt=${NGINX_VERSION}-${PKG_RELEASE} \
        nginx-module-geoip=${NGINX_VERSION}-${PKG_RELEASE} \
        nginx-module-image-filter=${NGINX_VERSION}-${PKG_RELEASE} \
        nginx-module-njs=${NGINX_VERSION}.${NJS_VERSION}-${PKG_RELEASE} \
    " \
    && case "$dpkgArch" in \
        amd64|i386) \
# arches officialy built by upstream
            echo "deb https://nginx.org/packages/mainline/debian/ buster nginx" >> etc/apt/sources.list.d/nginx.list \
            && apt-get update \
            ;; \
        *) \
# we're on an architecture upstream doesn't officially build for
# let's build binaries from the published source packages
            echo "deb-src https://nginx.org/packages/mainline/debian/ buster nginx" >> etc/apt/sources.list.d/nginx.list \
            \
# new directory for storing sources and .deb files
            && tempDir="$(mktemp -d)" \
            && chmod 777 "$tempDir" \
# (777 to ensure APT's "_apt" user can access it too)
            \
# save list of currently-installed packages so build dependencies can be cleanly removed later
            && savedAptMark="$(apt-mark showmanual)" \
            \
# build .deb files from upstream's source packages (which are verified by apt-get)
            && apt-get update \
            && apt-get build-dep -y $nginxPackages \
            && ( \
                cd "$tempDir" \
                && DEB_BUILD_OPTIONS="nocheck parallel=$(nproc)" \
                    apt-get source --compile $nginxPackages \
            ) \
# we don't remove APT lists here because they get re-downloaded and removed later
            \
# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
# (which is done after we install the built packages so we don't have to redownload any overlapping dependencies)
            && apt-mark showmanual | xargs apt-mark auto > dev/null \
            && { [ -z "$savedAptMark" ] || apt-mark manual $savedAptMark; } \
            \
# create a temporary local APT repo to install from (so that dependency resolution can be handled by APT, as it should be)
            && ls -lAFh "$tempDir" \
            && ( cd "$tempDir" && dpkg-scanpackages . > Packages ) \
            && grep '^Package: ' "$tempDir/Packages" \
            && echo "deb [ trusted=yes ] file://$tempDir ./" > etc/apt/sources.list.d/temp.list \
# work around the following APT issue by using "Acquire::GzipIndexes=false" (overriding "/etc/apt/apt.conf.d/docker-gzip-indexes")
#   Could not open file var/lib/apt/lists/partial/_tmp_tmp.ODWljpQfkE_._Packages - open (13: Permission denied)
#   ...
#   E: Failed to fetch store:/var/lib/apt/lists/partial/_tmp_tmp.ODWljpQfkE_._Packages  Could not open file var/lib/apt/lists/partial/_tmp_tmp.ODWljpQfkE_._Packages - open (13: Permission denied)
            && apt-get -o Acquire::GzipIndexes=false update \
            ;; \
    esac \
    \
    && apt-get install --no-install-recommends --no-install-suggests -y \
                        $nginxPackages \
                        gettext-base \
                        curl \
    && apt-get remove --purge --auto-remove -y && rm -rf var/lib/apt/lists/* etc/apt/sources.list.d/nginx.list \
    \
# if we have leftovers from building, let's purge them (including extra, unnecessary build deps)
    && if [ -n "$tempDir" ]; then \
        apt-get purge -y --auto-remove \
        && rm -rf "$tempDir" etc/apt/sources.list.d/temp.list; \
    fi \
# forward request and error logs to docker log collector
    && ln -sf dev/stdout var/log/nginx/access.log \
    && ln -sf dev/stderr var/log/nginx/error.log \
# create a docker-entrypoint.d directory
    && mkdir docker-entrypoint.d


COPY docker-entrypoint.sh 
COPY 10-listen-on-ipv6-by-default.sh docker-entrypoint.d
COPY 20-envsubst-on-templates.sh docker-entrypoint.d
ENTRYPOINT ["/docker-entrypoint.sh"]


EXPOSE 80


STOPSIGNAL SIGTERM


CMD ["nginx", "-g", "daemon off;"]

FROM centos:7
# 设置环境变量指令放前面
ENV PATH /usr/local/bin:$PATH
# 安装软件指令放前面
RUN yum install -y make
# 把业务软件的配置,版本等经常变动的步骤放最后
...

RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
RUN echo "Asia/Shanghai" >> /etc/timezone

RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime

# CentOS-Base.repo
#
# The mirror system uses the connecting IP address of the client and the
# update status of each mirror to pick mirrors that are updated to and
# geographically close to the client.  You should use this for CentOS updates
# unless you are manually picking other mirrors.
#
# If the mirrorlist= does not work for you, as a fall back you can try the 
# remarked out baseurl= line instead.
#
#
[base]
name=CentOS-$releasever - Base - 163.com
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os
baseurl=http://mirrors.163.com/centos/$releasever/os/$basearch/
gpgcheck=1
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7
#released updates
[updates]
name=CentOS-$releasever - Updates - 163.com
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates
baseurl=http://mirrors.163.com/centos/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7
#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras - 163.com
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras
baseurl=http://mirrors.163.com/centos/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7
#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus - 163.com
baseurl=http://mirrors.163.com/centos/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7

COPY CentOS7-Base-163.repo /etc/yum.repos.d/CentOS7-Base.repo

RUN yum install -y make net-tools

RUN yum install -y make
RUN yum install -y net-tools