docker-container

问题 I have 2 docker containers running on my system. I wanted to copy the data from one container to another container from my host system itself. i know that to copy data from container to host we have to use docker cp <Source path> <container Id>:path in container Now i am trying to copy the data directly from one container to another, is there any way to do that ?? i tried doing this. docker cp <container-1>:/usr/local/nginx/vishnu/vishtest.txt <container-2>:/home/smadmin/vishnusource/ but the

问题 I am new to docker. I ran a node-10 images and inside the running container I cloned a repository, ran the app which started a server with file watcher. I need to access the codebase inside the container, open it up in an IDE running on the windows host. If that is done, then I also want that as I change the files in the IDE these changes induce the filewatcher in the container. Any help is appreciated. Thanks, 回答1: The concept you are looking for is called volumes. You need to start a

问题 Im working on an application where I have a react frontend and a java spring backend. I have a simple API call where I want to return a new address. I have verified this works by using a separate container to perform a curl command docker container run --rm -it --net multichain-network byrnedo/alpine-curl http://multichain-api:8080/api/blockchain/address/create . This call returns the the expected result. Now I have created my docker environments using docker-compose and they are all up and

问题 I am trying to install Chrome on my windows container. I've created my docker image with a dockerfile and I would like to install chrome using this dockerfile. I've tried with the following command RUN apt-get update -qqy \ && apt-get -qqy install \ xvfb \ && rm -rf /var/lib/apt/lists/* /var/cache/apt/* but I have an error (I think it's because I am on windows container and this command is only for unbutu container...) : 'apt-get' is not recognized as an internal or external command, operable

问题 I have a web server running inside a docker container in AWS EC2 Ubuntu instance. When I send requests to the web server, I get the response very slowly (20+ seconds most of the times, although the response time varies). It does not time-out though . The web server is a very lightweight. It is only to test, so almost does not do anything. docker version 17.03.0-ce docker-compose version 1.12.0-rc1 How I debugged so far When sending requests to the web server running in the docker container

问题 There are scope of services which defined in docker-compose.yml. These service have been started. I need to rebuild only one of these and start it without up other services. I run the following commands: docker-compose up -d # run all services docker-compose stop nginx # stop only one. but it still running !!! docker-compose build --no-cache nginx docker-compose up -d --no-deps # link nginx to other services At the end i got old nginx container. By the way docker-compose doesn't kill all

问题 I have been trying Windows Containers on windows server 2016 TP5. Suddenly I started getting error while running a container with port maping option -p 80:80 c:\>docker run -it -p 80:80 microsoft/iis cmd docker: Error response from daemon: failed to create endpoint sharp_brahmagupta on network nat: HNS failed with error : Failed to create endpoint. I made sure that no other container is running and port 80 on host machine is not being used by any other service. Did anyone face same issue? 回答1

问题 I would like to understand the execution steps involved in building Docker Images using Dockerfile. Couple of questions I have listed down below. Please help me in understanding the build process. Dockerfile content #from base image FROM ubuntu:14.04 #author name MAINTAINER RAGHU #commands to run in the container RUN echo "hello Raghu" RUN sleep 10 RUN echo "TASK COMPLETED" Command used to build the image: docker build -t raghavendar/hands-on:2.0 . Sending build context to Docker daemon 20.04

问题 I need to start multiple containers for the same image. If i create my compose file as shown below, it works fine. version: '2' services: app01: image: app app02: image: app app03: image: app app04: image: app app05: image: app Is there any easy way for me to mention the number of instances for the compose instead of copy and pasting multiple times? 回答1: Updated answer (Oct 2017) As others mentioned, the docker API has changed. I'm updating my answer since it's the one most people will

问题 I am trying to build a backup and restore solution for the Docker containers that we work with. I have Docker base image that I have created, ubuntu:base , and do not want have to rebuild it each time with a Docker file to add files to it. I want to create a script that runs from the host machine and creates a new container using the ubuntu:base Docker image and then copies files into that container. How can I copy files from the host to the container? 回答1: The cp command can be used to copy