使用dfimage工具从Docker镜像提取Dockerfile
郭良俊只狗
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docker

451 字
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17 分钟
本文最后更新于 606 天前，其中的信息可能已经有所发展或是发生改变。

使用dfimage工具从Docker镜像提取Dockerfile

有时候因为自己构建镜像的 Dockerfile 文件丢失，或者从网上下载的 Docker 镜像，想了解其镜像构建的步骤，这时候怎么办了？可通过以下两种方法获取。

方法一

使用docker history命令

[root@localhost ~]# docker history ibmcom/mq:latest
IMAGE          CREATED         CREATED BY                                       SIZE      COMMENT
5211ea6323b7   18 months ago   /bin/sh -c #(nop)  LABEL version=9.2.4.0         0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL vcs-url=git@github.…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL vcs-type=git            0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL vcs-ref=1f6d37afedb…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL run=docker run -d -…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL release=r1              0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL name=ibm-mqadvanced…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL build-date=2021-11-…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL architecture=amd64      0B
<missing>      18 months ago   /bin/sh -c #(nop)  ENTRYPOINT ["runmqdevserv…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  USER 1001                     0B
<missing>      18 months ago   /bin/sh -c #(nop)  ENV MQS_PERMIT_UNKNOWN_ID…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  ENV MQ_CONNAUTH_USE_HTP=t…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  ENV LD_LIBRARY_PATH=/opt/…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  ENV MQ_ENABLE_EMBEDDED_WE…   0B
<missing>      18 months ago   |3 BASE_IMAGE=registry.redhat.io/ubi8/ubi-mi…   17.6MB
<missing>      18 months ago   /bin/sh -c #(nop) COPY dir:314872ec79916fd02…   1.83kB
<missing>      18 months ago   /bin/sh -c #(nop) COPY multi:dddbd8622bcb090…   7.05kB
<missing>      18 months ago   /bin/sh -c #(nop) COPY file:01dd6f8df223f9ef…   4.33MB
<missing>      18 months ago   |3 BASE_IMAGE=registry.redhat.io/ubi8/ubi-mi…   0B
<missing>      18 months ago   |3 BASE_IMAGE=registry.redhat.io/ubi8/ubi-mi…   10.8MB
<missing>      18 months ago   /bin/sh -c #(nop) COPY file:749c034e86ef1090…   1.26kB
<missing>      18 months ago   |3 BASE_IMAGE=registry.redhat.io/ubi8/ubi-mi…   131B
<missing>      18 months ago   /bin/sh -c #(nop) COPY file:f6cedf077e8dfc3e…   131B
<missing>      18 months ago   /bin/sh -c #(nop) COPY file:14e173f3dfb278eb…   268B
<missing>      18 months ago   /bin/sh -c #(nop) COPY file:d16dbd18619fbb2f…   22.7kB
<missing>      18 months ago   /bin/sh -c #(nop)  USER 0                        0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL base-image-release=…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL base-image=registry…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL io.k8s.description=…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL io.k8s.display-name…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL io.openshift.tags=m…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL url=https://www.ibm…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL authoritative-sourc…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL distribution-scope=…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL vendor=IBM              0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL description=Simplif…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL summary=IBM MQ Adva…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  ENV MQ_DEV=true               0B
<missing>      18 months ago   /bin/sh -c #(nop)  ARG GO_WORKDIR                0B
<missing>      18 months ago   /bin/sh -c #(nop)  ARG BASE_TAG                  0B
<missing>      18 months ago   /bin/sh -c #(nop)  ARG BASE_IMAGE                0B
<missing>      18 months ago   /bin/sh -c #(nop)  ENTRYPOINT ["runmqserver"]    0B
<missing>      18 months ago   /bin/sh -c #(nop)  ENV MQ_CONNAUTH_USE_HTP=f…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  USER 1001                     0B
<missing>      18 months ago   /bin/sh -c #(nop)  ENV LANG=en_US.UTF-8 AMQ_…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  ENV MQ_GRACE_PERIOD=30        0B
<missing>      18 months ago   /bin/sh -c #(nop)  ENV MQ_OVERRIDE_DATA_PATH…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  EXPOSE 1414 9157 9443         0B
<missing>      18 months ago   |4 BASE_IMAGE=registry.redhat.io/ubi8/ubi-mi…   21.5MB
<missing>      18 months ago   /bin/sh -c #(nop) COPY file:4d5d9772edf00f4b…   745B
<missing>      18 months ago   /bin/sh -c #(nop) COPY dir:b7af534eda9621b0d…   3.96kB
<missing>      18 months ago   /bin/sh -c #(nop) COPY file:fb55849aee5e85c2…   591B
<missing>      18 months ago   /bin/sh -c #(nop) COPY file:edebb47000f2e6c3…   810kB
<missing>      18 months ago   /bin/sh -c #(nop) COPY multi:e47f2c08f045440…   8.31MB
<missing>      18 months ago   /bin/sh -c #(nop) COPY file:084bc89afdba5aa4…   13.2MB
<missing>      18 months ago   |4 BASE_IMAGE=registry.redhat.io/ubi8/ubi-mi…   0B
<missing>      18 months ago   |4 BASE_IMAGE=registry.redhat.io/ubi8/ubi-mi…   749MB
<missing>      18 months ago   /bin/sh -c #(nop) COPY file:163d9dc38f595e70…   3.04kB
<missing>      18 months ago   /bin/sh -c #(nop) COPY file:74de0b85048a852b…   3.75kB
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL base-image-release=…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL base-image=registry…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL io.k8s.description=…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL io.k8s.display-name…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL io.openshift.tags=m…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL url=https://www.ibm…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL authoritative-sourc…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL distribution-scope=…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL maintainer=IBM          0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL vendor=IBM              0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL description=Simplif…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  LABEL summary=IBM MQ Adva…   0B
<missing>      18 months ago   /bin/sh -c #(nop)  ARG GO_WORKDIR                0B
<missing>      18 months ago   /bin/sh -c #(nop)  ARG BASE_TAG                  0B
<missing>      18 months ago   /bin/sh -c #(nop)  ARG BASE_IMAGE                0B
<missing>      18 months ago   /bin/sh -c #(nop)  ARG MQ_URL                    0B
<missing>      18 months ago                                                    4.65kB
<missing>      18 months ago                                                    103MB     Imported from -

方法二

使用alpine/dfimage镜像工具，查看相关镜像的构建命令

它将自动提取目标docker镜像。参数-sV=1.36并不总是必需的,只是指定镜像标签 。

如：dfimage -sV=1.36 ibmcom/mq:latest

[root@localhost ~]# alias dfimage="docker run -v /var/run/docker.sock:/var/run/docker.sock --rm alpine/dfimage"

[root@localhost ~]# dfimage -sV=1.36 ibmcom/mq:latest
Analyzing ibmcom/mq:latest
Docker Version: 20.10.10
GraphDriver: overlay2
Environment Variables
|PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/mqm/bin
|container=oci
|MQ_OVERRIDE_DATA_PATH=/mnt/mqm/data
|MQ_OVERRIDE_INSTALLATION_NAME=Installation1
|MQ_USER_NAME=mqm
|MQ_GRACE_PERIOD=30
|LANG=en_US.UTF-8
|AMQ_DIAGNOSTIC_MSG_SEVERITY=1
|AMQ_ADDITIONAL_JSON_LOG=1
|LOG_FORMAT=basic
|MQ_CONNAUTH_USE_HTP=true
|MQ_DEV=true
|MQ_ENABLE_EMBEDDED_WEB_SERVER=1
|MQ_GENERATE_CERTIFICATE_HOSTNAME=localhost
|LD_LIBRARY_PATH=/opt/mqm/lib64
|MQS_PERMIT_UNKNOWN_ID=true

Open Ports
|9443
|1414
|9157

Image user
|Image is running as User: 1001

Potential secrets:
|Found match var/lib/dnf/history.sqlite Database file \.sqlite$ 29fde381a81ec8ee755961efca71a8ad75dc0a28802980c1da506fbf3626b241/layer.tar
|Found match var/lib/dnf/history.sqlite Database file \.sqlite$ d15f741566323f8b5861b59fab6e8f0cd4d224dc1b0e3a04e6dced2c262a906b/layer.tar
Dockerfile:

ARG MQ_URL
ARG BASE_IMAGE
ARG BASE_TAG
ARG GO_WORKDIR
LABEL summary=IBM MQ Advanced Server
LABEL description=Simplify, accelerate and facilitate the reliable exchange of data with a security-rich messaging solution — trusted by the world’s most successful enterprises
LABEL vendor=IBM
LABEL maintainer=IBM
LABEL distribution-scope=private
LABEL authoritative-source-url=https://www.ibm.com/software/passportadvantage/
LABEL url=https://www.ibm.com/products/mq/advanced
LABEL io.openshift.tags=mq messaging
LABEL io.k8s.display-name=IBM MQ Advanced Server
LABEL io.k8s.description=Simplify, accelerate and facilitate the reliable exchange of data with a security-rich messaging solution — trusted by the world’s most successful enterprises
LABEL base-image=registry.redhat.io/ubi8/ubi-minimal
LABEL base-image-release=8.5-204
COPY file:74de0b85048a852b4049a063d696f147cbb20ff373e4d947d0d7b365b87977ee in /usr/local/bin/
        usr/
        usr/local/
        usr/local/bin/
        usr/local/bin/install-mq.sh

COPY file:163d9dc38f595e70f8d9e5b9b12a76c51133311eab90edb48fc9c9dd840b641a in /usr/local/bin/
        usr/
        usr/local/
        usr/local/bin/
        usr/local/bin/install-mq-server-prereqs.sh

|4 BASE_IMAGE=registry.redhat.io/ubi8/ubi-minimal BASE_TAG=8.5-204 GO_WORKDIR=/opt/app-root/src/go/src/github.com/ibm-messaging/mq-container MQ_URL=http://build:8080/9.2.4.0-IBM-MQ-Advanced-for-Developers-Non-Install-LinuxX64.tar.gz RUN env  \
        && mkdir /opt/mqm  \
        && chmod u+x /usr/local/bin/install-*.sh  \
        && sleep 1  \
        && install-mq-server-prereqs.sh  \
        && install-mq.sh  \
        && /opt/mqm/bin/security/amqpamcf  \
        && chown -R 1001:root /opt/mqm/*
|4 BASE_IMAGE=registry.redhat.io/ubi8/ubi-minimal BASE_TAG=8.5-204 GO_WORKDIR=/opt/app-root/src/go/src/github.com/ibm-messaging/mq-container MQ_URL=http://build:8080/9.2.4.0-IBM-MQ-Advanced-for-Developers-Non-Install-LinuxX64.tar.gz RUN mkdir -p /run/runmqserver  \
        && chown 1001:root /run/runmqserver
COPY file:084bc89afdba5aa4b789f85238b3ddd9e93b5e28a60990111280b0499dae3cae in /usr/local/bin/
        usr/
        usr/local/
        usr/local/bin/
        usr/local/bin/runmqserver

COPY multi:e47f2c08f045440ee7b3f1a5b24b43a4f4164918ba0042900a34db138b0b41f3 in /usr/local/bin/
        usr/
        usr/local/
        usr/local/bin/
        usr/local/bin/chkmqhealthy
        usr/local/bin/chkmqready
        usr/local/bin/chkmqstarted

COPY file:edebb47000f2e6c387d802053240b28ba8b263a96c852897f3567207bd0e5348 in /opt/mqm/licenses/notices-container.txt
        opt/
        opt/mqm/
        opt/mqm/licenses/
        opt/mqm/licenses/notices-container.txt

COPY file:fb55849aee5e85c2062d1d31628d48d652346709347886a51c2127bd36cb6ff1 in /etc/mqm/native-ha.ini.tpl
        etc/
        etc/mqm/
        etc/mqm/native-ha.ini.tpl

COPY dir:b7af534eda9621b0de9e6052d2838260df23346b2d072b09d7fe687f4adb7c96 in /etc/mqm/web
        etc/
        etc/mqm/
        etc/mqm/web/
        etc/mqm/web/.wh..wh..opq
        etc/mqm/web/installations/
        etc/mqm/web/installations/Installation1/
        etc/mqm/web/installations/Installation1/servers/
        etc/mqm/web/installations/Installation1/servers/mqweb/
        etc/mqm/web/installations/Installation1/servers/mqweb/mqwebuser.xml
        etc/mqm/web/installations/Installation1/servers/mqweb/mqwebuser.xml.tpl
        etc/mqm/web/installations/Installation1/servers/mqweb/tls.xml
        etc/mqm/web/installations/Installation1/servers/mqweb/tls.xml.tpl

COPY file:4d5d9772edf00f4b508058ee08956d8f4e996f73fcc0c009aa001fd0810e627e in /etc/mqm/
        etc/
        etc/mqm/
        etc/mqm/15-tls.mqsc.tpl

|4 BASE_IMAGE=registry.redhat.io/ubi8/ubi-minimal BASE_TAG=8.5-204 GO_WORKDIR=/opt/app-root/src/go/src/github.com/ibm-messaging/mq-container MQ_URL=http://build:8080/9.2.4.0-IBM-MQ-Advanced-for-Developers-Non-Install-LinuxX64.tar.gz RUN chmod ug+x /usr/local/bin/runmqserver  \
        && chown 1001:root /usr/local/bin/*mq*  \
        && chmod ug+x /usr/local/bin/chkmq*  \
        && chown -R 1001:root /etc/mqm/*  \
        && install --directory --mode 2775 --owner 1001 --group root /run/runmqserver  \
        && touch /run/termination-log  \
        && chown 1001:root /run/termination-log  \
        && chmod 0660 /run/termination-log  \
        && chmod -R g+w /etc/mqm/web
EXPOSE 1414 9157 9443
ENV MQ_OVERRIDE_DATA_PATH=/mnt/mqm/data MQ_OVERRIDE_INSTALLATION_NAME=Installation1 MQ_USER_NAME=mqm PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/mqm/bin
ENV MQ_GRACE_PERIOD=30
ENV LANG=en_US.UTF-8 AMQ_DIAGNOSTIC_MSG_SEVERITY=1 AMQ_ADDITIONAL_JSON_LOG=1 LOG_FORMAT=basic

USER 1001
ENV MQ_CONNAUTH_USE_HTP=false
ENTRYPOINT ["runmqserver"]
ARG BASE_IMAGE
ARG BASE_TAG
ARG GO_WORKDIR
ENV MQ_DEV=true
LABEL summary=IBM MQ Advanced for Developers Server
LABEL description=Simplify, accelerate and facilitate the reliable exchange of data with a security-rich messaging solution — trusted by the world’s most successful enterprises
LABEL vendor=IBM
LABEL distribution-scope=private
LABEL authoritative-source-url=https://www.ibm.com/software/passportadvantage/
LABEL url=https://www.ibm.com/products/mq/advanced
LABEL io.openshift.tags=mq messaging
LABEL io.k8s.display-name=IBM MQ Advanced for Developers Server
LABEL io.k8s.description=Simplify, accelerate and facilitate the reliable exchange of data with a security-rich messaging solution — trusted by the world’s most successful enterprises
LABEL base-image=registry.redhat.io/ubi8/ubi-minimal
LABEL base-image-release=8.5-204
USER 0
COPY file:d16dbd18619fbb2fda4454b3a94ae0bd32d88300e68130b826731921576d808c in /opt/mqm/lib64/
        opt/
        opt/mqm/
        opt/mqm/lib64/
        opt/mqm/lib64/mqhtpass.so

COPY file:14e173f3dfb278eb332a89d98493294d824250a738da1fd0a17a2f209728c0d2 in /etc/mqm/
        etc/
        etc/mqm/
        etc/mqm/qm-service-component.ini

COPY file:f6cedf077e8dfc3e33aa7d8c0d1aecdd032041c158f93e902e2c5fee589df87b in /etc/mqm/
        etc/
        etc/mqm/
        etc/mqm/mq.htpasswd

|3 BASE_IMAGE=registry.redhat.io/ubi8/ubi-minimal BASE_TAG=8.5-204 GO_WORKDIR=/opt/app-root/src/go/src/github.com/ibm-messaging/mq-container RUN chmod 0660 /etc/mqm/mq.htpasswd
COPY file:749c034e86ef1090396f610d89cf8a357a4f6fe22096514854dce65f402e415e in /usr/local/bin/
        usr/
        usr/local/
        usr/local/bin/
        usr/local/bin/install-extra-packages.sh

|3 BASE_IMAGE=registry.redhat.io/ubi8/ubi-minimal BASE_TAG=8.5-204 GO_WORKDIR=/opt/app-root/src/go/src/github.com/ibm-messaging/mq-container RUN chmod u+x /usr/local/bin/install-extra-packages.sh  \
        && sleep 1  \
        && install-extra-packages.sh
|3 BASE_IMAGE=registry.redhat.io/ubi8/ubi-minimal BASE_TAG=8.5-204 GO_WORKDIR=/opt/app-root/src/go/src/github.com/ibm-messaging/mq-container RUN mkdir -p /run/runmqdevserver  \
        && chown 1001:root /run/runmqdevserver
COPY file:01dd6f8df223f9efd765efa60edec77dea3ad97293128d5d76dedadf419f143a in /usr/local/bin/
        usr/
        usr/local/
        usr/local/bin/
        usr/local/bin/runmqdevserver

COPY multi:dddbd8622bcb09004052dc47ba5e49f10f6cf2eaf183e7d2bce26797406f9872 in /etc/mqm/
        etc/
        etc/mqm/
        etc/mqm/10-dev.mqsc.tpl
        etc/mqm/20-dev-tls.mqsc.tpl
        etc/mqm/admin.json.tpl

COPY dir:314872ec79916fd02399a577dc0a459320cae06046396e93b0377e20de3c341f in /etc/mqm/web
        etc/
        etc/mqm/
        etc/mqm/web/
        etc/mqm/web/installations/
        etc/mqm/web/installations/Installation1/
        etc/mqm/web/installations/Installation1/servers/
        etc/mqm/web/installations/Installation1/servers/mqweb/
        etc/mqm/web/installations/Installation1/servers/mqweb/mqwebuser.xml

|3 BASE_IMAGE=registry.redhat.io/ubi8/ubi-minimal BASE_TAG=8.5-204 GO_WORKDIR=/opt/app-root/src/go/src/github.com/ibm-messaging/mq-container RUN chown -R 1001:root /etc/mqm/*  \
        && chmod -R g+w /etc/mqm/web  \
        && chmod +x /usr/local/bin/runmq*  \
        && install --directory --mode 2775 --owner 1001 --group root /run/runmqdevserver
ENV MQ_ENABLE_EMBEDDED_WEB_SERVER=1 MQ_GENERATE_CERTIFICATE_HOSTNAME=localhost
ENV LD_LIBRARY_PATH=/opt/mqm/lib64
ENV MQ_CONNAUTH_USE_HTP=true
ENV MQS_PERMIT_UNKNOWN_ID=true
USER 1001
ENTRYPOINT ["runmqdevserver"]
LABEL architecture=amd64
LABEL build-date=2021-11-12T16:23:29+0000
LABEL name=ibm-mqadvanced-server-dev
LABEL release=r1
LABEL run=docker run -d -e LICENSE=accept ibm-mqadvanced-server-dev:9.2.4.0-r1.20211112161954.1f6d37a-amd64
LABEL vcs-ref=1f6d37afedb079b354e2a39461332c37a6e41bb7
LABEL vcs-type=git
LABEL vcs-url=git@github.ibm.com:mq-cloudpak/mq-container
LABEL version=9.2.4.0
dockerDockerfile
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