~ $ docker history registry.opensource.zalan.do/stups/ubuntu:16.04.2-2
IMAGE CREATED CREATED BY SIZE COMMENT
fd2c8bf1c1b4 14 hours ago /bin/sh -c purge.sh 0 B
<missing> 14 hours ago /bin/sh -c #(nop) COPY file:85a8d1fbb7f72f... 300 B
<missing> 14 hours ago /bin/sh -c update-ca-certificates 311 kB
<missing> 14 hours ago /bin/sh -c for CERT in /tmp/rds-ca/xx*; do... 21.7 kB
<missing> 14 hours ago /bin/sh -c cd /tmp/rds-ca && csplit -sz aw... 21.7 kB
<missing> 14 hours ago /bin/sh -c mkdir /tmp/rds-ca && curl h... 21.7 kB
<missing> 14 hours ago /bin/sh -c curl https://secure-static.ztat... 7.58 kB
<missing> 14 hours ago /bin/sh -c curl https://secure-static.ztat... 7.59 kB
<missing> 14 hours ago /bin/sh -c #(nop) ENV LANG=en_US.UTF-8 0 B
<missing> 14 hours ago /bin/sh -c apt-get update && apt-get d... 63.6 MB
<missing> 14 hours ago /bin/sh -c #(nop) MAINTAINER Zalando SE 0 B
<missing> 13 days ago /bin/sh -c #(nop) CMD ["/bin/bash"] 0 B
<missing> 13 days ago /bin/sh -c mkdir -p /run/systemd && echo '... 7 B
<missing> 13 days ago /bin/sh -c sed -i 's/^#\s*\(deb.*universe\... 2.76 kB
<missing> 13 days ago /bin/sh -c rm -rf /var/lib/apt/lists/* 0 B
<missing> 13 days ago /bin/sh -c set -xe && echo '#!/bin/sh' >... 745 B
<missing> 13 days ago /bin/sh -c #(nop) ADD file:5aff8c59a707833... 118 MB
With --squash:
~ $ docker history registry.opensource.zalan.do/stups/ubuntu:16.04.2-4
IMAGE CREATED CREATED BY SIZE COMMENT
fa6dfcaf6b9b 54 minutes ago 62.3 MB merge sha256:af582c46716679bcf9809be6bdd54770453734e680a353216c4f32e30e42f078 to sha256:7b9b13f7b9c086adfb6be4d2d264f90f16b4d1d5b3ab9f955caa728c3675c8a2
<missing> 54 minutes ago /bin/sh -c purge.sh 0 B
<missing> 54 minutes ago /bin/sh -c #(nop) COPY file:85a8d1fbb7f72f... 0 B
<missing> 54 minutes ago /bin/sh -c update-ca-certificates 0 B
<missing> 54 minutes ago /bin/sh -c for CERT in /tmp/rds-ca/xx*; do... 0 B
<missing> 54 minutes ago /bin/sh -c cd /tmp/rds-ca && csplit -sz aw... 0 B
<missing> 54 minutes ago /bin/sh -c mkdir /tmp/rds-ca && curl h... 0 B
<missing> 54 minutes ago /bin/sh -c curl https://secure-static.ztat... 0 B
<missing> 54 minutes ago /bin/sh -c curl https://secure-static.ztat... 0 B
<missing> 54 minutes ago /bin/sh -c #(nop) ENV LANG=en_US.UTF-8 0 B
<missing> 54 minutes ago /bin/sh -c apt-get update && apt-get d... 0 B
<missing> 55 minutes ago /bin/sh -c #(nop) MAINTAINER Zalando SE 0 B
<missing> 13 days ago /bin/sh -c #(nop) CMD ["/bin/bash"] 0 B
<missing> 13 days ago /bin/sh -c mkdir -p /run/systemd && echo '... 7 B
<missing> 13 days ago /bin/sh -c sed -i 's/^#\s*\(deb.*universe\... 2.76 kB
<missing> 13 days ago /bin/sh -c rm -rf /var/lib/apt/lists/* 0 B
<missing> 13 days ago /bin/sh -c set -xe && echo '#!/bin/sh' >... 745 B
<missing> 13 days ago /bin/sh -c #(nop) ADD file:5aff8c59a707833... 118 MB
The
--squash
option seems to work, I tried it with https://github.com/zalando-stups/docker-ubuntu :Without
--squash
:With
--squash
: