How to unzip files into docker?

How to decompress files into docker?

How to decompress files into docker:

1. View the image, and then save the image as a file (archive file) through the docker save command

[root@localhost ~]# docker save -o es.tar docker.io/elasticsearch:2.3.4    #-o 后面的es.tar是归档文件的名字
[root@localhost ~]# ls -l es.tar 
-rw------- 1 root root 352998912 Dec  7 04:30 es.tar

Note: The above operation is to save an image as a tar file

2. Save the image as a tar file

[root@localhost ~]# docker save -o es.tar docker.io/elasticsearch:2.3.4 es_ik:5.4.3
[root@localhost ~]# ls -l es.tar 
-rw------- 1 root root 694486528 Dec  7 04:34 es.tar

3. Import the saved image (for testing, delete it before importing. If it is imported from another machine, there will be no deletion action)

[root@localhost ~]# docker rmi -f docker.io/elasticsearch:2.3.4
Untagged: docker.io/elasticsearch:2.3.4
Untagged: docker.io/elasticsearch@sha256:7a09f0b9204b0e331eb7031bf30e12c8138c53c61938d59bb07b9a1c6de93483
[root@localhost ~]# docker rmi -f es_ik:5.4.3
Untagged: es_ik:5.4.3
Deleted: sha256:d206bf74d16854e62c16f0b790811d8484c4e5c326f6a6d8cbd77cf0a8192464
[root@localhost ~]# docker images | grep es_ik
harbor.dcos.xixian.unicom.local/zongbu_newcs_ps/es_ik194          2.3.4               bbdf066111a2        7 days ago          374 MB
es_ik1.9.4                                                        2.3.4               82536873c337        8 days ago          359 MB
es_ik_1                                                           5.4.3               71c5f7d27500        3 months ago        339 MB
[root@localhost ~]# docker images | grep docker.io/elasticsearch
docker.io/elasticsearch

Execute the import:

[root@localhost ~]# docker load --input es.tar 
Loaded image: es_ik:5.4.3
Loaded image: docker.io/elasticsearch:2.3.4
[root@localhost ~]# docker images | grep docker.io/elasticsearch
docker.io/elasticsearch                                           latest              097d037f8ff8        3 months ago        486 MB
docker.io/elasticsearch                                           2.3.4               ca69fe441e9d        2 years ago         345 MB
[root@localhost ~]# docker images | grep es_ik
harbor.dcos.xixian.unicom.local/zongbu_newcs_ps/es_ik194          2.3.4               bbdf066111a2        7 days ago          374 MB
es_ik1.9.4                                                        2.3.4               82536873c337        8 days ago          359 MB
es_ik_1                                                           5.4.3               71c5f7d27500        3 months ago        339 MB
es_ik

Recommended tutorial: "docker video tutorial"

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