Questions tagged [images]
39 questions
16
votes
1 answer
What is the difference between php-cli and php-fpm, why 2 php variants and why choose one or the other?
Looking at https://hub.docker.com/_/php I can see reference to php-cli and php-fpm.
Now, I am aware of the concepts of PHP FPM - Fast CGI Process Manager. I'm also aware the PHP can be run in the command line and for php composer and Symfony…
therobyouknow
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6
votes
1 answer
What do we know about how open source software becomes eligible for the Docker Hub library?
Official community distros of well established open source software can be found in Docker Hub at the "special" place, the library, explicitely tagged as "official".
https://hub.docker.com/u/library/
How does it get there - by decision of Docker…
Ta Mu
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5
votes
1 answer
What are Design Patterns for creating images?
In Object Oriented Programming (OOP) there are Design Patterns (DP). DP are best practices for tackling certain problems. For example, a singleton is acceptable to be used in a logger class.
What about applying DPs to creation of images, e.g.…
030
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5
votes
2 answers
What is the GitLab "Digest" on the container registry next to the images, why is different for two duplicated images
The GitLab container registry has a bunch of Digests, you can see them here,
Normally, I would expect them to represent the image's own digest, however, they don't, when I look at them here locally after pulling these images down I see the…
Evan Carroll
- 2,921
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4
votes
1 answer
How to download a VM image from GCP?
I do not see a download button. I would like to download a VM image that was created on GCP using Packer and I would like to run it locally in Virtualbox.
030
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4
votes
1 answer
How to auto generate a diagram out of my AWS VPC?
Does AWS provide a tool to visualize my VPC?
I would like to generate an image file with all services (shown as icons) provisioned inside a VPC.
Tools like draw.io and others are available. But doesnt AWS provide a cloud native tool for this?
Biju
- 255
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3
votes
0 answers
What is the Manifest Digest in GitLab and how do I find out more information about the manifest?
GitLab provides for a "Manifest Digest",
What exactly is the Manifest Digest, a digest of, and how do I get access to this manifest to see how it's different from other images..
this question is a follow up to What is the GitLab "Digest" on the…
Evan Carroll
- 2,921
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3
votes
1 answer
What is a golden image?
Is there a defacto understanding of what a golden image is? I've had it come up in requirements to satisfy cloud audits. What's the meaning of "Golden" when it comes to audit and compliance, especially for cloud services?
It seems like the word…
Peter Turner
- 1,482
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3
votes
0 answers
Where are Docker containers stored on disk?
I'm learning about Docker. I feel stuck at the moment, I think that I have some wrong concepts about how Docker works, and that shadows how it actually works, but I can't really locate the problem. I will try to write a quick overview how I now…
szeb
- 153
- 7
3
votes
1 answer
docker: Error response from daemon: Conflict. The container name "/basexhttp" is already in use by container
Am I even correctly following the documentation on creating and running a docker container below?
[root@ ~]#
[root@ ~]# docker run -d \
> --name basexhttp \
> --publish 1984:1984 \
> --publish 8984:8984 \
> --volume…
Nicholas Saunders
- 375
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2
votes
1 answer
How to avoid an avalanche of images in Openshift when security patches keep coming in?
Our applications are based on tomcat, strictly speaking on tomcat base s2i image provided by RedHat. This is updated quite frequently, and we need to comply to some regulations and apply the updates. This basically means, that with every single…
ptrk
- 151
- 4
2
votes
2 answers
How to verify docker sha256 on hub.docker with docker?
Given an image like this one
I want to be able to verify that the image I have matches
DIGEST:sha256:6889517fd553d36ed5743827cd81c8f94438bd2502db57e9bbfbfac73e746f5b
How can this be done in docker's command line tool?
Nat
- 135
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2
votes
1 answer
Why is Docker best practice to minimise the number of layers in an image?
I see here that
Docker best practices says .. minimise the number of layers in our images
The tips given are to chain multiple lines in the dockerfile with \ so as to combine many lines of code into single commands. A specific example…
stevec
- 185
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2
votes
1 answer
Are there Docker Hub comparable public Docker image repositories?
Historically, you can download official community software from a distributed mirror network.
Even for Java Maven, there are two sites globally.
But what is about Docker Hub? What if Docker, Inc. decides to close the Hub or the site will become…
Ta Mu
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1
vote
2 answers
Extra none:none images after docker build
I am quite new on docker and tried to build a postgres database image with preset database scheme created on. Thus created below dockerfile
#alpine linux version of the postgres image. uses a really small amount of disk
FROM…
Olgun Kaya
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