Questions tagged [images]
The images tag has no usage guidance.
38 questions
1
vote
1
answer
224
views
Creating a custom alpine iso - including open-vm-tools
I want to create a custom Alpine Linux image. I want to take the Virtual ISO version (https://dl-cdn.alpinelinux.org/alpine/v3.20/releases/x86_64/alpine-virt-3.20.1-x86_64.iso) extend it with some ...
- 11
1
vote
0
answers
25
views
How to Ensure ArgoCD Is Monitoring Dockerhub?
Context
I deployed an application on a Kubernetes cluster using Helm and ArgoCD. ArgoCD is tasked with monitoring a GitLab repo (called manifests) which contains the Helm chart and application config. ...
- 133
0
votes
2
answers
71
views
how to stop "docker run -it certbot/certbot"?
I'm newbie in docker. I use below command to run the certbot image twice:
docker run --rm certbot/certbot
I'd like to stop it but I can't. This command has started to produce many containers and ...
- 101
1
vote
1
answer
3k
views
How can I make an image out of a k8s specific pod container
I have made a pod, and it has only one container, I've been able to connect ot it by using kubectl exec -it -c <container_name> <pod_name> bash
And I've installed and done several stuff on ...
3
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0
answers
274
views
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 ...
- 2,591
5
votes
2
answers
2k
views
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 ...
- 2,591
0
votes
1
answer
2k
views
Multistage docker build for Python distroless image
This is my Dockerfile for distroless image similar to this example
FROM python:3.9-slim AS build-venv
RUN python3 -m venv /venv
# other installation steps go here
RUN /venv/bin/pip install --upgrade ...
- 103
2
votes
2
answers
6k
views
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 ...
- 135
0
votes
1
answer
12
views
Typical build size of the top 20 most popular frameworks?
"Endless list" questions are a no no, so I limit to top 20 only.
I am presenting to non-dev ops people (even though I am one myself) on how some software we use creates quite a large image (~...
- 185
3
votes
1
answer
705
views
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,...
- 1,560
0
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1
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2k
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Install a RPM from build context without copying it first
During dockerbuild, I'd like to install a (rather big) RPM from build context/host without copying it first into the image in order to keep my image small.
Ideally, there would be a way to read a file ...
- 23
4
votes
1
answer
3k
views
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 ...
- 255
0
votes
2
answers
453
views
Build image from inside a pod or container
It seems pretty easy to build image when I just mount the docker.sock in a container. It's same as what I do on hosts machine. Simply docker build . -t image/name:sometag.
But when I need to do the ...
- 101
3
votes
0
answers
1k
views
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 ...
- 153
0
votes
1
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59
views
Helm Repo: can it host dockerfiles and other image-building artifacts
I have a service that I want to port to Helm. It's a django application that requires memcached and postgresql and a forward proxy like nginx.
I would ideally like to have one repository with all that ...
- 2,591
1
vote
1
answer
3k
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docker-compose up: Error starting userland proxy: listen tcp 0.0.0.0:443: bind: address already in use
specific error:
ERROR: for traefik Cannot start service traefik: driver failed programming external connectivity on endpoint frappe_docker_traefik_1 (...
0
votes
1
answer
155
views
how to push an image to docker hub?
How do I push this image to docker hub?
root $
root $ docker images helloworld_web
REPOSITORY TAG IMAGE ID CREATED SIZE
helloworld_web latest ...
0
votes
1
answer
508
views
How to gain console access to a MySQL server running on a docker container from the host?
I thought I had this working a few minutes ago:
root $
root $ docker container ls
CONTAINER ID IMAGE COMMAND CREATED STATUS ...
0
votes
1
answer
724
views
How to gain root access to an existing docker container?
Able to get a response from the docker hub basex container:
nicholas $
nicholas $ lynx http://localhost:8984/ --dump
No function found that matches the request.
nicholas $
Ran the container as:
...
3
votes
1
answer
8k
views
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 \
> ...
1
vote
1
answer
3k
views
cannot get bash prompt: Error response from daemon: Container foo is not running
A basic jetty container:
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
...
0
votes
1
answer
295
views
Can't access startfile http://localhost/
Having created a docker container as:
docker run -d --name=jetty jetty
How do I now get a hello world page as?
Looking up localhost:8080
Making HTTP connection to localhost:8080
Alert!: Unable to ...
0
votes
1
answer
689
views
How to create a "silent" MySQL docker container?
How can I create a MySQL docker container as below in the background:
root:~#
root:~# docker run -e MYSQL_ROOT_PASSWORD=pass --name sql-db -p 3306:3306 mysql &
[1] 137878
root:~# 2020-09-01 08:25:...
0
votes
1
answer
3k
views
how to send a password to MySQL with docker?
Just getting started, want to run the downloaded version of mysql:
root:~#
root:~# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
basex/basexhttp ...
0
votes
1
answer
2k
views
Include curl commands in a PostgreSQL Docker environment
Using COPY table FROM PROGRAM 'curl "www.example.com/data.csv"'; I am able to copy a CSV directly from the web into a psql table.
However, when I am running the same command from inside a ...
- 1
1
vote
2
answers
152
views
What exactly is a buildpack in DevOps?
I am familiar with the term buildpack from a platform called Heroku. But I am not sure if it's a Heroku-specific term, or if it exists more broadly in DevOps nomenclature?
When I google, I see plenty ...
- 185
2
votes
1
answer
283
views
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 ...
- 185
1
vote
1
answer
337
views
How to make different permissions for different subdirectories of storage bucket
On Google Cloud Storage or Amazon S3, is there a way to give users a key to only a specific subdirectory of a storage bucket, for example:
gs://images.eng.cm.com/avatars/<user-uuid>/xyz
so the ...
- 395
0
votes
1
answer
55
views
Does Docker images works without client application
I recently installed Docker in Ubuntu 18.04 and with that, I have downloaded the mariadb image like this
docker run --name mariadb \
-p 3306:3306 \
-v /opt/mariadb_data:/var/lib/mysql \
-e ...
- 115
1
vote
2
answers
121
views
Are there arguments against using “imagization" tools in the literature and if so, what are the main ones?
Although I never used an "imagization" tool (for example, Docker) I understand a container as an instantiated (running or stopped) image which in plural are simply put, a server environment and ...
user5176
1
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2
answers
51
views
Docker preserve images policy
Can I configure Docker in a such way that it will store only certain amount of tags for the given image e.g. docker images
REPOSITORY TAG ...
- 671
2
votes
1
answer
277
views
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. ...
- 6,782
14
votes
1
answer
23k
views
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 ...
- 335
4
votes
1
answer
3k
views
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.
- 13.3k
6
votes
1
answer
51
views
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/
...
- 6,782
1
vote
2
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2k
views
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 ...
- 113
2
votes
1
answer
90
views
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. ...
- 151
5
votes
1
answer
84
views
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 ...
- 13.3k