WARNING: Running pip as the 'root' user can result in broken permissions

[mchendriks]

I was following your guide, but the results where not what I expected. :)

docker build -t machen/catnip .
DEPRECATED: The legacy builder is deprecated and will be removed in a future release.
Install the buildx component to build images with BuildKit:
https://docs.docker.com/go/buildx/

Sending build context to Docker daemon 8.704kB
Step 1/6 : FROM python:3.8
3.8: Pulling from library/python
cdd62bf39133: Pull complete
a47cff7f31e9: Pull complete
a173f2aee8e9: Pull complete
01272fe8adba: Pull complete
cddc73e4e6c7: Pull complete
cc48f13b5f0f: Pull complete
5a98c896c047: Pull complete
Digest: sha256:d411270700143fa2683cc8264d9fa5d3279fd3b6afff62ae81ea2f9d070e390c
Status: Downloaded newer image for python:3.8
---> 3ea6eaad4f17
Step 2/6 : WORKDIR /usr/src/app
---> Running in b4877d0f6df2
Removing intermediate container b4877d0f6df2
---> dedb9a707155
Step 3/6 : COPY . .
---> bb19601de422
Step 4/6 : RUN pip install --no-cache-dir -r requirements.txt
---> Running in 7a20545a6b82
Collecting Flask==2.0.2
Downloading Flask-2.0.2-py3-none-any.whl (95 kB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 95.2/95.2 kB 5.8 MB/s eta 0:00:00
Collecting Jinja2>=3.0
Downloading jinja2-3.1.4-py3-none-any.whl (133 kB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 133.3/133.3 kB 11.5 MB/s eta 0:00:00
Collecting itsdangerous>=2.0
Downloading itsdangerous-2.2.0-py3-none-any.whl (16 kB)
Collecting click>=7.1.2
Downloading click-8.1.7-py3-none-any.whl (97 kB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 97.9/97.9 kB 11.3 MB/s eta 0:00:00
Collecting Werkzeug>=2.0
Downloading werkzeug-3.0.6-py3-none-any.whl (227 kB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 228.0/228.0 kB 11.9 MB/s eta 0:00:00
Collecting MarkupSafe>=2.0
Downloading MarkupSafe-2.1.5-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (26 kB)
Installing collected packages: MarkupSafe, itsdangerous, click, Werkzeug, Jinja2, Flask
Successfully installed Flask-2.0.2 Jinja2-3.1.4 MarkupSafe-2.1.5 Werkzeug-3.0.6 click-8.1.7 itsdangerous-2.2.0
WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv

[notice] A new release of pip is available: 23.0.1 -> 24.3.1
[notice] To update, run: pip install --upgrade pip
Removing intermediate container 7a20545a6b82
---> ef51b25c2136
Step 5/6 : EXPOSE 5000
---> Running in fe47f1f6a70d
Removing intermediate container fe47f1f6a70d
---> 9d3226bf2008
Step 6/6 : CMD ["python", "./app.py"]
---> Running in 1c7cdd80f8a3
Removing intermediate container 1c7cdd80f8a3
---> 7126d9368160
Successfully built 7126d9368160
Successfully tagged machen/catnip:latest
matthieu@develop:~/docker-curriculum/flask-app$ docker run -p 8888:5000 machen/catnip
Traceback (most recent call last):
File "./app.py", line 1, in
from flask import Flask, render_template
File "/usr/local/lib/python3.8/site-packages/flask/init.py", line 7, in
from .app import Flask as Flask
File "/usr/local/lib/python3.8/site-packages/flask/app.py", line 28, in
from . import cli
File "/usr/local/lib/python3.8/site-packages/flask/cli.py", line 18, in
from .helpers import get_debug_flag
File "/usr/local/lib/python3.8/site-packages/flask/helpers.py", line 16, in
from werkzeug.urls import url_quote
ImportError: cannot import name 'url_quote' from 'werkzeug.urls' (/usr/local/lib/python3.8/site-packages/werkzeug/urls.py)