我在使用docker构建时遇到了一些明显的奇怪行为，导致图像丢失了一些二进制文件。几乎看起来图像中实际上缺少某些图层。
因此，层次结构是：
java:8
|
-> localhost:5000/php-cli-wiremock
|
-> localhost:5000/php-cli-wiremock-postgres
从“php-cli-wiremock”运行的容器有所有预期的二进制文件（java，php-cli，wiremock）
从“php-cli-wiremock-postgres”运行的容器只有（php-cli，wiremock，postgres）。即他们缺少/ usr / bin / java。几乎看起来好像删除了java：8图层，但它们出现在docker history中，如下所示。
我确信这些二进制文件不会在“php-cli-wiremock-postgres”版本的任何步骤中删除。
**“java：8”Dockerfile：**
“php-cli-wiremock”Dockerfile ：
# combination of wiremock and php-cli. Combination is necessary to allow use with shippable.com
FROM java:8
# ----- wiremock ----
ENV WM_PKG_NAME wiremock
ENV WM_VERSION 1.57
# ----- php-cli ----
ENV PHP_VERSION 5.6.24
ENV PHP_INI_DIR /usr/local/etc/php
ENV PHP_BUILD_DEPS bzip2 \
file \
libbz2-dev \
libcurl4-openssl-dev \
libjpeg-dev \
libmcrypt-dev \
libpng12-dev \
libreadline6-dev \
libssl-dev \
libxslt1-dev \
libxml2-dev \
libreadline-dev \
libncursesw5-dev \
libnewt-dev
# ----- wiremock ----
RUN \
cd / && \
wget https://repo1.maven.org/maven2/com/github/tomakehurst/wiremock/$WM_VERSION/$WM_PKG_NAME-$WM_VERSION-standalone.jar && \
mkdir /$WM_PKG_NAME && mv $WM_PKG_NAME-$WM_VERSION-standalone.jar /$WM_PKG_NAME/$WM_PKG_NAME.jar
# ----- php-cli ----
RUN apt-get update && apt-get install -y ca-certificates curl libxml2 autoconf \
gcc libc-dev make pkg-config nano less tmux wget git postgresql libpq-dev \
$PHP_BUILD_DEPS $PHP_EXTRA_BUILD_DEPS \
--no-install-recommends && rm -r /var/lib/apt/lists/*
RUN gpg --keyserver pool.sks-keyservers.net --recv-keys 6E4F6AB321FDC07F2C332E3AC2BF0BC433CFC8B3 0BD78B5F97500D450838F95DFE857D9A90D90EC1 \
&& mkdir -p $PHP_INI_DIR/conf.d \
&& set -x \
&& curl -SL "http://php.net/get/php-$PHP_VERSION.tar.bz2/from/this/mirror" -o php.tar.bz2 \
&& curl -SL "http://php.net/get/php-$PHP_VERSION.tar.bz2.asc/from/this/mirror" -o php.tar.bz2.asc \
&& gpg --verify php.tar.bz2.asc \
&& mkdir -p /usr/src/php \
&& tar -xof php.tar.bz2 -C /usr/src/php --strip-components=1 \
&& rm php.tar.bz2* \
&& cd /usr/src/php \
&& ./configure \
--with-pdo-pgsql=/Applications/Postgres.app/Contents/Versions/9.5/bin \
--with-config-file-path="$PHP_INI_DIR" \
--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
$PHP_EXTRA_CONFIGURE_ARGS \
--disable-cgi \
--enable-bcmath \
--with-bz2 \
--enable-calendar \
--with-curl \
--with-gd \
--with-jpeg-dir \
--enable-gd-native-ttf \
--enable-mbstring \
--with-mcrypt \
--enable-pcntl \
--with-openssl \
--with-xsl \
--with-readline \
--with-zlib \
--enable-zip \
--with-newt \
&& make -j"$(nproc)" \
&& make install \
&& { find /usr/local/bin /usr/local/sbin -type f -executable -exec strip --strip-all '{}' + || true; } \
&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false -o APT::AutoRemove::SuggestsImportant=false $buildDeps \
&& make clean \
&& pecl install ncurses \
&& pecl install newt \
&& cd /opt \
&& curl -sS https://getcomposer.org/installer | php \
&& ln -s /opt/composer.phar /usr/local/bin/composer \
&& wget https://phar.phpunit.de/phpunit.phar \
&& chmod +x phpunit.phar \
&& mv phpunit.phar /usr/local/bin/phpunit
RUN groupadd -r app -g 433 && \
mkdir /home/app && \
useradd -u 431 -r -g app -d /home/app -s /bin/sh -c "Default application account" app && \
chown -R app:app /home/app && \
chmod 711 /home/app
# ----- shippable.com ----
RUN apt-get update && apt-get -qq -y install curl lsb-release && \
echo $(lsb_release -c -s) && \
export CLOUD_SDK_REPO="cloud-sdk-$(lsb_release -c -s)" && \
echo $CLOUD_SDK_REPO && \
# export CLOUD_SDK_REPO="cloud-sdk-jessie" && \
echo "deb http://packages.cloud.google.com/apt $CLOUD_SDK_REPO main" | tee /etc/apt/sources.list.d/google-cloud-sdk.list && \
curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add - && \
apt-get update && \
apt-get -qq -y install google-cloud-sdk
# ----- php-cli ----
COPY files /
ADD php.ini /usr/local/etc/php/php.ini
COPY ./docker-entrypoint.sh /
# ----- wiremock ----
COPY wiremockCacheFiles/__files /wiremock/__files
COPY wiremockCacheFiles/mappings /wiremock/mappings
#VOLUME ["/wiremock/__files", "/wiremock/mappings"]
#WORKDIR /opt/app
# Define default command.
ENTRYPOINT ["/docker-entrypoint.sh"]
#ENTRYPOINT exec java -jar wiremock.jar
# ENTRYPOINT pwd && ls -la
# Expose ports.
# - 8080: HTTP
EXPOSE 8080
“php-cli-wiremock-postgres”Dockerfile ：
# combination of wiremock and php-cli and postgres. Combination is necessary to allow use with shippable.com
FROM localhost:5000/php-cli-wiremock:latest
# explicitly set user/group IDs
#RUN groupadd -r postgres --gid=999 && useradd -r -g postgres --uid=999 postgres
# grab gosu for easy step-down from root
ENV GOSU_VERSION 1.7
RUN set -x \
&& apt-get update && apt-get install -y --no-install-recommends ca-certificates wget && rm -rf /var/lib/apt/lists/* \
&& wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture)" \
&& wget -O /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture).asc" \
&& export GNUPGHOME="$(mktemp -d)" \
&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4 \
&& gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu \
&& rm -r "$GNUPGHOME" /usr/local/bin/gosu.asc \
&& chmod +x /usr/local/bin/gosu \
&& gosu nobody true \
&& apt-get purge -y --auto-remove ca-certificates wget
# make the "en_US.UTF-8" locale so postgres will be utf-8 enabled by default
RUN apt-get update && apt-get install -y locales && rm -rf /var/lib/apt/lists/* \
&& localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8
ENV LANG en_US.utf8
RUN mkdir /docker-entrypoint-initdb.d
RUN apt-key adv --keyserver ha.pool.sks-keyservers.net --recv-keys B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8
ENV PG_MAJOR 9.5
ENV PG_VERSION 9.5.4-1.pgdg80+1
RUN echo 'deb http://apt.postgresql.org/pub/repos/apt/ jessie-pgdg main' $PG_MAJOR > /etc/apt/sources.list.d/pgdg.list
RUN apt-get update \
&& apt-get install -y postgresql-common \
&& sed -ri 's/#(create_main_cluster) .*$/\1 = false/' /etc/postgresql-common/createcluster.conf \
&& apt-get install -y \
postgresql-$PG_MAJOR=$PG_VERSION \
postgresql-contrib-$PG_MAJOR=$PG_VERSION \
&& rm -rf /var/lib/apt/lists/*
# make the sample config easier to munge (and "correct by default")
RUN mv -v /usr/share/postgresql/$PG_MAJOR/postgresql.conf.sample /usr/share/postgresql/ \
&& ln -sv ../postgresql.conf.sample /usr/share/postgresql/$PG_MAJOR/ \
&& sed -ri "s!^#?(listen_addresses)\s*=\s*\S+.*!\1 = '*'!" /usr/share/postgresql/postgresql.conf.sample
RUN mkdir -p /var/run/postgresql && chown -R postgres /var/run/postgresql
ENV PATH /usr/lib/postgresql/$PG_MAJOR/bin:$PATH
ENV PGDATA /var/lib/postgresql/data
#VOLUME /var/lib/postgresql/data
#ADD postgresql.conf /var/lib/postgresql/data/postgresql
ADD postgresql.conf /postgresql.conf
COPY initdb.sh /
COPY docker-entrypoint.sh /
ENTRYPOINT ["/docker-entrypoint.sh"]
EXPOSE 5432
#CMD ["postgres"]
docker history localhost:5000/php-cli-wiremock-postgres:latest的输出：
IMAGE CREATED CREATED BY SIZE COMMENT
b6243b6f44fc About an hour ago /bin/sh -c #(nop) EXPOSE 5432/tcp 0 B
cb7b81da3181 About an hour ago /bin/sh -c #(nop) ENTRYPOINT ["/docker-entry 0 B
b6b3fd7e0e82 About an hour ago /bin/sh -c #(nop) COPY file:26fb846861d8cff95 97 B
e6cbbd72e89a 3 hours ago /bin/sh -c #(nop) COPY file:d243227d56acbcd72 2.585 kB
5e382c77c42b 3 hours ago /bin/sh -c #(nop) ADD file:7b8d8ca4cd55918f07 20.35 kB
863f87e01e58 13 hours ago /bin/sh -c #(nop) ENV PGDATA=/var/lib/postgr 0 B
82802fc4c604 13 hours ago /bin/sh -c #(nop) ENV PATH=/usr/lib/postgres 0 B
7e9e650a6cb7 13 hours ago /bin/sh -c mkdir -p /var/run/postgresql && ch 0 B
abebf727dda1 13 hours ago /bin/sh -c mv -v /usr/share/postgresql/$PG_MA 21.2 kB
34ffb57d5713 13 hours ago /bin/sh -c apt-get update && apt-get install 37.32 MB
1b71dfd71e40 13 hours ago /bin/sh -c echo 'deb http://apt.postgresql.or 66 B
a1b89989f99d 13 hours ago /bin/sh -c #(nop) ENV PG_VERSION=9.5.4-1.pgd 0 B
2c8e74826c5b 13 hours ago /bin/sh -c #(nop) ENV PG_MAJOR=9.5 0 B
11d2cea562f6 13 hours ago /bin/sh -c apt-key adv --keyserver ha.pool.sk 4.538 kB
a69a87fa5b1d 13 hours ago /bin/sh -c mkdir /docker-entrypoint-initdb.d 0 B
ba64506ab206 13 hours ago /bin/sh -c #(nop) ENV LANG=en_US.utf8 0 B
0eda09bda60d 13 hours ago /bin/sh -c apt-get update && apt-get install 1.615 MB
407fa3abad4a 13 hours ago /bin/sh -c set -x && apt-get update && apt-g 5.311 MB
93a992be78cd 13 hours ago /bin/sh -c #(nop) ENV GOSU_VERSION=1.7 0 B
c34f75bb6766 15 hours ago /bin/sh -c #(nop) EXPOSE 8080/tcp 0 B
52f497e39022 15 hours ago /bin/sh -c #(nop) ENTRYPOINT ["/docker-entry 0 B
279ea458dc03 15 hours ago /bin/sh -c #(nop) COPY dir:06f3e18251708036e7 90.57 kB
856c03093adf 15 hours ago /bin/sh -c #(nop) COPY dir:7cdd5a4c14b18f4563 13.43 MB
0f2ed69fb1ad 15 hours ago /bin/sh -c #(nop) COPY file:dead660e078f1fb15 294 B
f707ffb0d62e 15 hours ago /bin/sh -c #(nop) ADD file:0c1885686e63beacf7 72.24 kB
cac987db82a8 15 hours ago /bin/sh -c #(nop) COPY dir:86af9edc26a678a31a 1.919 kB
b24972a0f508 15 hours ago /bin/sh -c apt-get update && apt-get -qq -y i 89.63 MB
32be14c196e3 21 hours ago /bin/sh -c groupadd -r app -g 433 && mkdir / 147.2 kB
319d2f4a017f 21 hours ago /bin/sh -c gpg --keyserver pool.sks-keyserver 132.8 MB
0cd53bbacb64 2 days ago /bin/sh -c apt-get update && apt-get install 203.1 MB
f473448176dc 2 days ago /bin/sh -c cd / && wget https://repo1.maven 6.936 MB
270334f34e77 2 days ago /bin/sh -c #(nop) ENV PHP_BUILD_DEPS=bzip2 0 B
e5c040ab4015 2 days ago /bin/sh -c #(nop) ENV PHP_INI_DIR=/usr/local 0 B
c7e46e9e4df7 2 days ago /bin/sh -c #(nop) ENV PHP_VERSION=5.6.24 0 B
37ec6aa6e336 3 days ago /bin/sh -c #(nop) ENV WM_VERSION=1.57 0 B
0f0168d4061c 3 days ago /bin/sh -c #(nop) ENV WM_PKG_NAME=wiremock 0 B
69a777edb6dc 2 weeks ago /bin/sh -c /var/lib/dpkg/info/ca-certificates 418.2 kB
<missing> 2 weeks ago /bin/sh -c set -x && apt-get update && apt- 349.3 MB
<missing> 2 weeks ago /bin/sh -c #(nop) ENV CA_CERTIFICATES_JAVA_VE 0 B
<missing> 2 weeks ago /bin/sh -c #(nop) ENV JAVA_DEBIAN_VERSION=8u1 0 B
<missing> 2 weeks ago /bin/sh -c #(nop) ENV JAVA_VERSION=8u102 0 B
<missing> 2 weeks ago /bin/sh -c #(nop) ENV JAVA_HOME=/usr/lib/jvm/ 0 B
<missing> 2 weeks ago /bin/sh -c { echo '#!/bin/sh'; echo 'set 87 B
<missing> 2 weeks ago /bin/sh -c #(nop) ENV LANG=C.UTF-8 0 B
<missing> 2 weeks ago /bin/sh -c echo 'deb http://httpredir.debian. 61 B
<missing> 2 weeks ago /bin/sh -c apt-get update && apt-get install 1.286 MB
<missing> 4 weeks ago /bin/sh -c apt-get update && apt-get install 122.6 MB
<missing> 4 weeks ago /bin/sh -c apt-get update && apt-get install 44.3 MB
<missing> 4 weeks ago /bin/sh -c #(nop) CMD ["/bin/bash"] 0 B
<missing> 4 weeks ago /bin/sh -c #(nop) ADD file:0e0565652aa852f620 125.1 MB
首先，“丢失”的图层ID让我的蜘蛛感觉到抽搐，但这显然是由于某些内部图层键引用了Docker 1.10中的更改。但是，这些层是来自java：8构建的层。完整的--no-trunc版本在这里 - http://pastebin.com/0VcBTAVc
PHP-CLI-wiremock
docker pull localhost:5000/php-cli-wiremock:latest; docker run -it --rm localhost:5000/php-cli-wiremock:latest ls -l /usr/bin/java
lrwxrwxrwx 1 root root 22 Aug 10 18:41 /usr/bin/java -> /etc/alternatives/java
PHP-CLI-wiremock-postgres的
docker pull localhost:5000/php-cli-wiremock-postgres:latest; docker run -it --rm localhost:5000/php-cli-wiremock-postgres:latest ls -l /usr/bin/java
ls: cannot access /usr/bin/java: No such file or directory
docker build --no-cache 的java：8
Matthews-iMac:container-management matt$ docker inspect java:8
+ docker inspect java:8
[
{
"Id": "sha256:69a777edb6dcb32c2e717f69f281ee405cef6deac6de24520aefe76594a6eae5",
"RepoTags": [
"java:8"
],
"RepoDigests": [
"java@sha256:1064e0e67166f8859dd7e1aa1104ffc00133bcf19dbd426447cce6f90319031e"
],
"Parent": "",
"Comment": "",
"Created": "2016-08-10T18:41:32.240355112Z",
"Container": "b8c4a5096022b105ae0795a451a259263077e32c1b546406eb176bffa337b815",
"ContainerConfig": {
"Hostname": "2da0903ff372",
"Domainname": "",
"User": "",
"AttachStdin": false,
"AttachStdout": false,
"AttachStderr": false,
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": [
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"LANG=C.UTF-8",
"JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64",
"JAVA_VERSION=8u102",
"JAVA_DEBIAN_VERSION=8u102-b14.1-1~bpo8+1",
"CA_CERTIFICATES_JAVA_VERSION=20140324"
],
"Cmd": [
"/bin/sh",
"-c",
"/var/lib/dpkg/info/ca-certificates-java.postinst configure"
],
"ArgsEscaped": true,
"Image": "sha256:16b9751e127e1164753a577be9cab63f2c878012f936cfaf4c3ac44e37d6ca49",
"Volumes": null,
"WorkingDir": "",
"Entrypoint": null,
"OnBuild": [],
"Labels": {}
},
"DockerVersion": "1.10.3",
"Author": "",
"Config": {
"Hostname": "2da0903ff372",
"Domainname": "",
"User": "",
"AttachStdin": false,
"AttachStdout": false,
"AttachStderr": false,
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": [
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"LANG=C.UTF-8",
"JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64",
"JAVA_VERSION=8u102",
"JAVA_DEBIAN_VERSION=8u102-b14.1-1~bpo8+1",
"CA_CERTIFICATES_JAVA_VERSION=20140324"
],
"Cmd": [
"/bin/bash"
],
"ArgsEscaped": true,
"Image": "sha256:16b9751e127e1164753a577be9cab63f2c878012f936cfaf4c3ac44e37d6ca49",
"Volumes": null,
"WorkingDir": "",
"Entrypoint": null,
"OnBuild": [],
"Labels": {}
},
"Architecture": "amd64",
"Os": "linux",
"Size": 643047426,
"VirtualSize": 643047426,
"GraphDriver": {
"Name": "aufs",
"Data": null
},
"RootFS": {
"Type": "layers",
"Layers": [
"sha256:2f71b45e4e254ddceb187b1467f5471f0e14d7124ac2dd7fdd7ddbc76e13f0e5",
"sha256:66d8e5ee400cb0660c8c0ad51d30d822365a995eb90d35750a1e641cae7c887c",
"sha256:1050aff7cfff31f37ff91f26ebe8583521a9329da5a7d179400228551b1506cf",
"sha256:c6952565c883c0d36287bfa0dadfe1caa2a5b8a92b10413dc0747396aae87fd4",
"sha256:a0163fd1c828b8da7e032443fa62e41c4dc8d8275419ae9e6b9f43a36162faaf",
"sha256:1a6f9199aa61e7043b82e2c69556ea17c72183c3dbca3276b08cdfdca6ee61aa",
"sha256:5778f887b92c3a990e398921f0eac0c5ddac01d90ee0af731a1f7a2cf13b1463",
"sha256:e4ecd84596333b047c22385770f8325c18dab2157505917006c0cb6436071695"
]
}
}
]
PHP-CLI-wiremock-postgres的
+ docker inspect localhost:5000/php-cli-wiremock-postgres:latest
[
{
"Id": "sha256:b6243b6f44fc3dff8cbbcbc91fc3715e136c3a65141744e5b3373454702f37ae",
"RepoTags": [
"localhost:5000/php-cli-wiremock-postgres:latest"
],
"RepoDigests": [
"localhost:5000/php-cli-wiremock-postgres@sha256:0546a57c3b35742b2e1b2eaad583529ba69086fcfc23172fdf39ac7da360be19"
],
"Parent": "sha256:cb7b81da318114a78b5aec213677af517c294225fca54c523ce6d850daaa8fed",
"Comment": "",
"Created": "2016-08-26T11:52:20.102044903Z",
"Container": "98db8815817150473887720b87d61143fa0890b100a7085e82a08bab3ddf2c08",
"ContainerConfig": {
"Hostname": "2da0903ff372",
"Domainname": "",
"User": "",
"AttachStdin": false,
"AttachStdout": false,
"AttachStderr": false,
"ExposedPorts": {
"5432/tcp": {},
"8080/tcp": {}
},
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": [
"PATH=/usr/lib/postgresql/9.5/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"LANG=en_US.utf8",
"JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64",
"JAVA_VERSION=8u102",
"JAVA_DEBIAN_VERSION=8u102-b14.1-1~bpo8+1",
"CA_CERTIFICATES_JAVA_VERSION=20140324",
"WM_PKG_NAME=wiremock",
"WM_VERSION=1.57",
"PHP_VERSION=5.6.24",
"PHP_INI_DIR=/usr/local/etc/php",
"PHP_BUILD_DEPS=bzip2 \t\tfile \t\tlibbz2-dev \t\tlibcurl4-openssl-dev \t\tlibjpeg-dev \t\tlibmcrypt-dev \t\tlibpng12-dev \t\tlibreadline6-dev \t\tlibssl-dev \t\tlibxslt1-dev \t\tlibxml2-dev \t\tlibreadline-dev \t\tlibncursesw5-dev \t\tlibnewt-dev",
"GOSU_VERSION=1.7",
"PG_MAJOR=9.5",
"PG_VERSION=9.5.4-1.pgdg80+1",
"PGDATA=/var/lib/postgresql/data"
],
"Cmd": [
"/bin/sh",
"-c",
"#(nop) ",
"EXPOSE 5432/tcp"
],
"ArgsEscaped": true,
"Image": "sha256:cb7b81da318114a78b5aec213677af517c294225fca54c523ce6d850daaa8fed",
"Volumes": null,
"WorkingDir": "",
"Entrypoint": [
"/docker-entrypoint.sh"
],
"OnBuild": [],
"Labels": {}
},
"DockerVersion": "1.12.0",
"Author": "",
"Config": {
"Hostname": "2da0903ff372",
"Domainname": "",
"User": "",
"AttachStdin": false,
"AttachStdout": false,
"AttachStderr": false,
"ExposedPorts": {
"5432/tcp": {},
"8080/tcp": {}
},
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": [
"PATH=/usr/lib/postgresql/9.5/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"LANG=en_US.utf8",
"JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64",
"JAVA_VERSION=8u102",
"JAVA_DEBIAN_VERSION=8u102-b14.1-1~bpo8+1",
"CA_CERTIFICATES_JAVA_VERSION=20140324",
"WM_PKG_NAME=wiremock",
"WM_VERSION=1.57",
"PHP_VERSION=5.6.24",
"PHP_INI_DIR=/usr/local/etc/php",
"PHP_BUILD_DEPS=bzip2 \t\tfile \t\tlibbz2-dev \t\tlibcurl4-openssl-dev \t\tlibjpeg-dev \t\tlibmcrypt-dev \t\tlibpng12-dev \t\tlibreadline6-dev \t\tlibssl-dev \t\tlibxslt1-dev \t\tlibxml2-dev \t\tlibreadline-dev \t\tlibncursesw5-dev \t\tlibnewt-dev",
"GOSU_VERSION=1.7",
"PG_MAJOR=9.5",
"PG_VERSION=9.5.4-1.pgdg80+1",
"PGDATA=/var/lib/postgresql/data"
],
"Cmd": null,
"ArgsEscaped": true,
"Image": "sha256:cb7b81da318114a78b5aec213677af517c294225fca54c523ce6d850daaa8fed",
"Volumes": null,
"WorkingDir": "",
"Entrypoint": [
"/docker-entrypoint.sh"
],
"OnBuild": [],
"Labels": {}
},
"Architecture": "amd64",
"Os": "linux",
"Size": 1133462572,
"VirtualSize": 1133462572,
"GraphDriver": {
"Name": "aufs",
"Data": null
},
"RootFS": {
"Type": "layers",
"Layers": [
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]
}
}
]
答案 0 :(得分：1)
Docker有一个图层限制，那就是你遇到的。尝试使用'＆amp;＆amp;'合并尽可能多的RUN语句。是的，这意味着您将无法按照您的方式对您的部分进行分组，而是按语句类型和依赖顺序进行分组