Question

I have Dockerfile to build image for Django project that uses Python 3.11 and runs in poetry environment (see content below). Problem is when I try to donwload get-pip.py file and run it using Python, it says no such file or directory but it should be in the same directory where Dockerfile is. I don t know, but why isn t it there?

P.S. I use docker desktop with WSL 2 (Ubuntu 20.04) and Dockerfile is in project directory (where poetry.lock and pyproject.toml files are), /website is directory where django project is.

# Download image of Ubuntu 20.04
FROM ubuntu:20.04

# To prevent interactive dialogs
ENV TZ=Europe 
    DEBIAN_FRONTEND=noninteractive

# Update and install necessary packages
RUN apt-get update 
# Install necessary packages to allow compilation of source code
    && apt-get install -y --no-install-recommends 
    tzdata 
    build-essential 
    checkinstall 
    libreadline-gplv2-dev 
    libncursesw5-dev 
    libssl-dev 
    libsqlite3-dev 
    tk-dev 
    libgdbm-dev 
    libc6-dev 
    libbz2-dev 
    software-properties-common 
# Install python 3.11
    && apt-get update 
    && add-apt-repository ppa:deadsnakes/ppa 
    && apt-get install -y --no-install-recommends 
    python3.11

# Install pip for Python 3.11
RUN curl -sS -O https://bootstrap.pypa.io/get-pip.py | python3.11
# THERE S AN ERROR
RUN python3.11 get-pip.py

# Install poetry
ENV POETRY_VERSION 1.4.2
RUN python3.11 -m pip3.11 install "poetry==$POETRY_VERSION"

# Install dependencies
RUN poetry install

# Run poetry env
ENTRYPOINT ["poetry", "shell"]

# Go to website folder
WORKDIR /website

# Run Django server
CMD ["python3.11", "manage.py", "runserver"]

Answer 1

You are using pipe (|) to forward it to python, so the file doesnt end up in the directory but as stdin for python.311

You have two options

download it via curl without piping it further
pipe it into python as you do now, but then you dont have to execute it explicitly (RUN python3.11 get-pip.py) because that s what you did on previous line via piping

Answer 2

You can just pass the curl output directly to python input to run get-pip.py. This answer will help you.

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