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Discussion on "How to create a Node App within a Docker container" | Hashnode

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wachira_dev

Maker

May 22, 2019

How to create a Node App within a Docker container

Setup Requirements Before you go through this fun tutorial ensure: You at least have an understanding of javascript and terminal commands. You should know what Docker is and in theory how it works. You have should node and npm installed on your comp...

hashnode.bywachira.com

#docker #nodejs #javascript #expressjs

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Ofir Aghai

Jan 12, 2020

run "docker run -it docker_nodejs_app" in terminal, but when going to localhost from the browser, i got the error: "This site can't be reached"

help?

run "docker run -p 3000:3000 docker_nodejs_app" instead of "docker run -it docker_nodejs_app"

solve my problem. :)

also, "EXPOSE 3000:3000" in Dockerfile - didnt work, and should be just: "EXPOSE 3000"

Ofir Aghai

Jan 12, 2020

Soo Hian

Sep 29, 2019

Hi, thanks for this tutorial. It's really clear and helpful.

I encountered an error when I tried to run the docker image

Node\docker_nodejs_app>docker run -it docker_nodejs_app

npm ERR! missing script: start

I googled and found that the package.json needs to add this to "scripts" section:

"start": "node app.js"

then rebuilding the docker image file and running it solves the error.

wachira_dev

Maker

Sep 29, 2019

Nice to know the article was helpful