Docker

Docker provides a high-level API to containerize processes and applications with some degree of isolation and repeatability across servers. Docker supports both Linux and Windows containers.

59 votes
16 answers
1.1K views
How to include files outside of Docker's build context?

How can I include files from outside of Docker's build context using the "ADD" command in the Docker file

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Rufus
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asked 07 September, 2021
52 votes
11 answers
1.2K views
Run a Docker image as a container

After building a Docker image from a dockerfile, I see the image was built successfully, but what do I do with

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Jeff
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asked 07 September, 2021
52 votes
5 answers
2.5K views
What is the difference between docker-compose ports vs expose

What is the difference between ports and expose options in docker-compose.yml

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Rufus
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asked 07 September, 2021
55 votes
16 answers
2.6K views
Using Docker-Compose, how to execute multiple commands

I want to do something like this where I can run multiple commands in order. db: image: postgres web: buil

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Eddie
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asked 07 September, 2021
60 votes
11 answers
1.8K views
Docker how to change repository name or rename image?

I'm trying to change repository name of the image: REPOSITORY TAG IMAGE ID

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Kisha
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asked 07 September, 2021
51 votes
26 answers
2.6K views
How to mount a host directory in a Docker container

I am trying to mount a host directory into a Docker container so that any updates done on the host is reflecte

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Roger
0 1 0 9
asked 07 September, 2021
60 votes
19 answers
794 views
How does one remove a Docker image?

I'm running Docker under Vagrant under OS X 10.8.4 (Mountain Lion), and whenever I try to delete a saved

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Jefferey
0 1 0 9
asked 07 September, 2021
47 votes
27 answers
2.3K views
How to remove old and unused Docker images

When running Docker for a long time, there are a lot of images in system. How can I remove all unused Docker i

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Lawanda
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asked 07 September, 2021
55 votes
29 answers
2.4K views
Where are Docker images stored on the host machine?

I managed to find the containers under directory /var/lib/docker/containers, but I can't find the images.

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Elicia
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asked 07 September, 2021
53 votes
14 answers
2.9K views
How to list containers in Docker

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Nidia
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asked 07 September, 2021
56 votes
14 answers
1.3K views
How do I pass environment variables to Docker containers?

I'm new to Docker, and it's unclear how to access an external database from a container. Is the best

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Louetta
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asked 07 September, 2021
60 votes
15 answers
1.7K views
How to deal with persistent storage (e.g. databases) in Docker

How do people deal with persistent storage for your Docker containers? I am currently using this approach: bu

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Jesenia
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asked 07 September, 2021
65 votes
28 answers
1.9K views
What is the difference between a Docker image and a container?

When using Docker, we start with a base image. We boot it up, create changes and those changes are saved in la

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Brianne
0 1 0 9
asked 07 September, 2021
54 votes
9 answers
2.1K views
How to force Docker for a clean build of an image

I have build a Docker image from a Docker file using the below command. $ docker build -t u12_core -f u12_cor

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Santiago
0 1 0 9
asked 07 September, 2021
66 votes
30 answers
1.9K views
How to remove old Docker containers

This question is related to Should I be concerned about excess, non-running, Docker containers?. I'm won

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Basil
0 1 0 9
asked 07 September, 2021
54 votes
26 answers
1.2K views
How do I get into a Docker container's shell?

I'm getting started working with Docker. I'm using the WordPress base image and docker-compose. I&a

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Rudolf
0 1 0 9
asked 07 September, 2021
66 votes
30 answers
929 views
How to get a Docker container's IP address from the host

Is there a command I can run to get the container's IP address right from the host after a new container

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Lawanda
0 1 0 9
asked 07 September, 2021
60 votes
16 answers
1.2K views
How to copy Docker images from one host to another without using a repository

How do I transfer a Docker image from one machine to another one without using a repository, no matter private

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Denese
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asked 07 September, 2021
55 votes
30 answers
610 views
How to copy files from host to Docker container?

I am trying to build a backup and restore solution for the Docker containers that we work with. I have Docker

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Dusty
0 1 0 9
asked 07 September, 2021
55 votes
17 answers
2.4K views
What is the difference between CMD and ENTRYPOINT in a Dockerfile?

In Dockerfiles there are two commands that look similar to me: CMD and ENTRYPOINT. But I guess that there is a

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Sachiko
0 1 0 9
asked 07 September, 2021