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I was following the tutorial on the official website.

https://docs.docker.com/get-started/part2/#build-the-app

I created a directory named dir and added the Dockerfile, app.py and requirements.txt. When I try to build this, the error is-

root@ubuntu:~/dir# docker build -t hello "docker build" requires exactly 1 argument. See 'docker build --help'. Usage: docker build [OPTIONS] PATH | URL | - [flags] Build an image from a Dockerfile
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1 Answer 1

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2

You forgot to mention location of context-root

#>docker build -t hello .

Add a . at the end if Dockerfile is at the current location

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