Windows 📚 docker init : how to use on windows

[dEEpEst]

docker init : how to use on windows

The ’docker init’ command creates Docker -related startup files for your project == automatically generates them to run the application under your stack. Docker init is currently only available on Docker Desktop on Windows and MacOS , most Linux OSes do not have this command:

- .dockerignore
- Dockerfile
- compose.yaml
- README.Docker.md

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Docker Desktop on the device if it is not installed. If you have not dealt with Python before,

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it as well. Once everything is ready, create a working directory:

mkdir my-fastapi-project
cd my-fastapi-project

We create and activate a virtual environment to isolate project dependencies and use the pip freeze command to automatically generate requirements.txt without filling it in manually:

python3 -m venv venv
source venv/bin/activate

Download the dependencies required to create the API using the pip package manager and save them in requirements.txt :

pip install fastapi uvicorn
pip freeze > requirements.txt

Let's create a file ’main.py’ in the project directory with a simple API :

from fastapi import FastAPI


app = FastAPI()


@app.get("/")
def root():
return {"Hello": "Docker Init"}

Now we can finally start the magic:

docker init

We are greeted by a welcome message that asks us to select the project language ( python ), its version ( 3.12.7 ), the port on which the application will listen ( 8000 ). Next, you need to enter the command to run. It saw that I was working with fastapi and offered:

uvicorn 'main:app' --host=0.0.0.0 --port=8000

And here we see that the files listed at the beginning were created automatically! Then we can absolutely calmly raise the container with the command:

docker compose up --build

We wait until our application is built and check if everything is ok. We go to the browser and see the treasured:

http://127.0.0.1:8000
{"Hello":"Docker Init"}