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docker

A collection of 7 posts

Making dependent services wait till containers are healthy using docker health check

Using the health check option provided by docker we can make containers wait till the dependent containers are online and healthy

Copy file from host machine to docker container

The docker cp utility copies the contents of SRC_PATH to the DEST_PATH. You can copy from the container’s file system to the local machine or the reverse, from the local filesystem to the container. If - is specified for either the SRC_PATH or DEST_PATH, you

docker-compose up is slow on docker for mac os beta

I have been trying with Docker beta on Mac OS and was facing an issue with docker-compose. It was taking ages for the docker-compose commands to get executed. After digging into a while I figured out that the dns lookup was causing the issues. docker-compose is trying to resolve localunixsocket.

How to install a specific package version in Alpine and Docker?

I was building a docker image for a backend API application that I was working on, so that my colleague, who is a front-end guy can easily setup the docker container and get it up and running. I chose Alpine Linux to build the Docker image bcos its light weight.

Docker difference between run, cmd, entrypoint commands

If you have built a docker image, you would be familiar with the commands RUN, CMD, ENTRYPOINT. While some of you know what these means, where to use those and when to use those, there are some who might not know the exact difference between those commands. These commands are

Remove Untagged Images From Docker

To delete all untagged images: docker rmi $(docker images -q --filter "dangling=true")

Docker: Remove all images and containers

To delete all the containers we have created so far: docker rm $(docker ps -a -q) To delete all the images in docker: docker rmi $(docker images -q) NB: Deleting docker containers and images is not reversible. Make sure you know what you are upto. Ref: Docker Issue

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