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I tried to create a container using dockerfile, but I'm not successful. For loading the application on the docker what files do I need? And what is the build command?

Tanta Adina
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  • Provide more details, what is the problem, what is the error ... Please provide all those details. – Atul Jan 17 '20 at 15:56
  • check this link https://stackoverflow.com/questions/31696439/how-to-build-a-docker-container-for-a-java-application – Marwen Jaffel Jan 17 '20 at 15:57

2 Answers2

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Docker is a relative new technology and it's quite hard to find suitable documentation for your problem, first of all you will need docker-compose.yaml and Dockerfile, wich are the configuration files. Next you need to access the folder where's your project, and run "docker-compose up --build", for building the project, then "docker-compose down" to stop and "docker-compose up" to start again.

Mihali Ioan-Mihai
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Tanta. So, basically you'd need the docker installed in your machine, and a Dockerfile in your project.

I would indicate this step-by-step for your first example of a docker container:

  1. Enter a folder that you can start a new project

  2. Execute these command (You will ned git (click here to download it) installed):

    git clone -b v1 https://github.com/docker-training/node-bulletin-board

    cd node-bulletin-board/bulletin-board-app

  3. Create a Dockerfile in the current folder

  4. Paste this following piece of code in your new Dockerfile:

    FROM node:6.11.5

WORKDIR /usr/src/app

COPY package.json .

RUN npm install    

COPY . .

CMD [ "npm", "start" ]

  5. Now you can build and run your all-new container:

    docker image build -t bulletinboard:1.0 .

    docker container run --publish 8000:8080 --detach --name bb bulletinboard:1.0

So, with these steps, I think you can start to understand how Docker works and how you can introduce this stack in your currently running application. Please, also check docker-compose docs for reference, it will help you.

Thank you.

Lucas Mota
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