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Recent questions tagged Docker

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docker - How to write commands with multiple lines in Dockerfile while preserving the new lines?

I want to write the following RUN command in the Dockerfile. But, docker is not preserving the new lines. ... lines preserving the new line? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - How to define a variable in a Dockerfile?

In my Dockerfile, I would like to define variables that I can use later in the Dockerfile. I am aware ... declare variables at Dockerfile scope? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - How to name Dockerfiles

I'm unsure of how to name Dockerfiles. Many on GitHub use Dockerfile without a file extension. Do I give them ... I just call them Dockerfile? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - What is .build-deps for apk add --virtual command?

What is .build-deps in the following command? I can't find an explanation in the Alpine docs. Is this a file ... ..> RUN apk del .build-deps See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Update k8s ConfigMap or Secret without deleting the existing one

I've been using K8S ConfigMap and Secret to manage our properties. My design is pretty simple, that keeps ... one hasn't been created. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - How containerd compares to runC

How these two compare? As far as I understand, runC is a runtime environment for containers. That means that ... each of these components do. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Dockerfile copy keep subdirectory structure

I'm trying to copy a number of files and folders to a docker image build from my localhost. The files ... the files into their directories? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - pip upgrade TooManyRedirects exception

I'm trying to pip install --upgrade pip inside a docker container, however, I get the error: Exception: Traceback ( ... and/or how to solve it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - What is the practical purpose of VOLUME in Dockerfile?

First of all, I want to make it clear I've done due diligence in researching this topic. Very closely ... 've gathered from the documentation. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - How to assign as static port to a container?

I want to assign a container a port, so that it gets the same port after every restart of the container. ... in advance and best regards, Chris See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Interactive command in Dockerfile

I'm trying to automate a creation of a development Docker image using docker build command with appropriate Dockerfile ... in an infinite loop. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Make container accessible only from localhost

I have Docker engine installed on Debian Jessie and I am running there container with nginx in it. My " ... be accessible only from localhost. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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docker - Does putting ARG at top of Dockerfile prevent layer re-use?

If an ARG that is declared at the top of a Dockerfile gets changed, but its value is only used ... directive generates an intermediate layer. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - How to pass ARG value to ENTRYPOINT?

Docker 1.9 allows to pass arguments to a dockerfile. See link: https://docs.docker.com/engine/ ... argument within ENTRYPOINT instruction?? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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docker - How can I access nginx ingress on my local?

I can't connect to my app running with nginx ingress (Docker Desktop win 10). The nginx-ingress ... Can not obtain ownership information See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

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docker - error during connect: Get http://%2F%2F.%2Fpipe%2Fdocker_engine/v1.38/info

System info: Windows 10 pro 64 bit C:WINDOWSsystem32>docker --version Docker version 18.06.1-ce, build e68fc7a ... docker daemon is not running. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - What are shell form and exec form?

What are shell form and exec form of commands? I have gone through several documents to get a clear idea of ... general, not in docker context. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Mount directory in Container and share with Host

I thought I understood the docs, but maybe I didn't. I was under the impression that the -v /HOST/PATH:/ ... used VOLUME. Thank you in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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docker - Differences Between Dockerfile Instructions in Shell and Exec Form

What is the difference between shell and exec form for CMD: CMD python my_script.py arg vs. CMD ["python ... , "start"] Dockerfile instructions? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

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docker - Failed To Resolve With FrontEnd DockerFIle.v0

I was trying to build my Docker image for my Gatsby Application. Whenever I run the command docker build . -t gatsbyapp, it ... "-H","0.0.0.0"] See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

1 answer

docker - Error checking TLS connection: Error checking and/or regenerating the certs

After I restarted my windows i cannot connect to docker machine running in Oracle Virtual Box. When i start ... helping. Any idea? Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.0k views

1 answer

docker - Why is ARG in a DOCKERFILE not recommended for passing secrets?

In http://docs.docker.com/engine/reference/builder/#arg , It recommendeds secrets are not passed through ARGS. ... -time variables in danger? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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docker - Pulling images from private registry in Kubernetes

I have built a 4 node kubernetes cluster running multi-container pods all running on CoreOS. The images come from ... docker.io and quay.io. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.9k views

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docker - Are you trying to mount a directory onto a file (or vice-versa)?

I have a docker with version 17.06.0-ce. When I trying to install NGINX using docker with command: docker ... I mount the configuration file? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Where should I set the '--insecure-registry' flag on Mac OS?

I am using OS X 10.10. When trying to communicate with our team's private docker registry, it keeps giving ... I can add the DOCKER_OPTS option? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

docker - How can I use a local file on container?

I'm trying create a container to run a program. I'm using a pre configurate image and now I need run ... docker command? Or using Dockerfile? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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docker - Correct way to detach from a container without stopping it

In Docker 1.1.2 (latest), what's the correct way to detach from a container without stopping it? So for ... CTR+C both stop the container. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

1 answer

docker - Where is kube-apiserver located

Base question: When I try to use kube-apiserver on my master node, I get command not found error. How I ... why the storage was not created)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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