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02.04.2019 · Docker is an Open Source application that allows administrators to create, manage, deploy, and replicate applications using containers. Flask is a web micro-framework that is built on Python. In this tutorial, you will create a Flask application and d

Everything looks good from here. Let's do some debugging. Let's begin by starting our container with a name: docker run -d -p 5000:5000 --name flask-app-test flask-app. You can also avoid the -d flag and get the logs right onto your screen. First check if the Flask app is really running or maybe it has crashed.

Apr 02, 2019 · from flask import Flask app = Flask(__name__) from app import views Once you’ve added that code, save and close the file. With the __init__.py file created, you’re ready to create the views.py file in your app directory. This file will contain most of your application logic. sudo nano app/views.py Next, add the code to your views.py file.

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webapp.py: # Entry point for the application. from . import app # For application discovery by the 'flask' command. from .

Here is my app.py file: from flask import Flask import os app = Flask(__name__) app.config.from_envvar('FLASK_SETTINGS') @app.route('/') def index(): return 'Index Page' Here is the config file: DEBUG = True HOST = '0.0.0.0' So now to the actual misbehavior, when i start the container i get the following: docker-compose up Starting flaskapp ... done Attaching to …

19.01.2022 · Docker flask container import issue. Ask Question Asked today. Active today. Viewed 2 times ... import flask failure: ''' + python /app/dind/MainScores.py Traceback (most recent call last): File "/app/dind/MainScores.py", line 1, in <module> from flask import Flask, ...

Jun 28, 2020 · (env) C:\Users\PLAYER1\Documents\flask_app>flask run. Serving Flask app "app.py" Environment: production WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead. Debug mode: off Usage: flask run [OPTIONS] Error: Could not import "app". (env) C:\Users\PLAYER1\Documents\flask_app>

I am trying to run the provided sample flask package by using docker-compose commands instead ... NoAppException: Could not import "main".

Feb 28, 2019 · This answer is not useful. Show activity on this post. Ok, I had 2 faults. I was missing the ENV before FLASK_APP=app.py in the .env file above --> But I still got the ERROR. ra-offerservice | Usage: flask db upgrade [OPTIONS] ra-offerservice | ra-offerservice | Error: Could not import "code.app". I had an __init__.py in the same folder as app.py.

Docker Compose simplifies multi-container Docker environments on a single host. Let’s put together a basic web app with Docker Compose and Flask using Redis (we end up with a Python/Flask container and a Redis container all on one host). We do not need custom networking or to design our own networks to run on; Compose does everything for us!

Here is my app.py file: from flask import Flask import os app = Flask(__name__) app.config.from_envvar('FLASK_SETTINGS') @app.route('/') def index(): return 'Index Page' Here is the config file: DEBUG = True HOST = '0.0.0.0' So now to the actual misbehavior, when i start the container i get the following: docker-compose up Starting flaskapp ...

If you had tried setting up the VSCode debugger with docker before, you might have seen that it can be a bit more complicated than it seems ...

20.07.2021 · docker-compose -f docker-compose.dev.yml up --build My issue is around various errors wherein the app.py file isn’t found by flask. For example: api_1 | Error: Could not locate a Flask application. You did not provide the "FLASK_APP" environment variable, and a "wsgi.py" or "app.py" module was not found in the current directory.

28.02.2019 · I duplicated it and made some changes and provide them both via docker-compose. It works fine but suddenly I startet one of the containers new and get following error: ra-offerservice | Usage: flask db migrate [OPTIONS] ra-offerservice | ra-offerservice | Error: Could not import "code.app". (docker-compose –verbose up)

28.02.2020 · You are not specifying the output port on the Python code. It maps to the default port, which is 5000. Use app.run (debug=True, port=3000) if you want to expose to port 3000. You also have to export the Docker port on host, do this calling -p 3000:3000 before <my_image>. It will tell Docker to map port 3000 of the image to port 3000 of host.

09.12.2017 · ⚠️ This article is under contruction ⚠️. I've recently been working on an awesome tutorial from testdriven.io that covers flask, react and docker. The beginning of the project covers how to setup a basic flask app using flask-scripts.flask-scripts is a deprecated tool and the tutorial recommends using Flask CLI.I have fumbled with this the first time I tried to set it up …

root@e9bcddeb9491:/# cat > /opt/app.py import os from flask import Flask app = Flask(__name__) ... **Error: Could not import 'app'.**.

from flask import Flask app = Flask(__name__) @app.route('/') def ... there is no need to go that far because Docker allows us to inherit ...

ra-offerservice | Usage: flask db migrate [OPTIONS] ra-offerservice | ra-offerservice | Error: Could not import "code.app". (docker-compose -- ...

Then, the localtion of my config file which is in the /config directory. Here is my app.py file: from flask import Flask import os app = Flask ...

In app.py , add code to import Flask and create an instance of the Flask object. ... If you see an error that the Flask module cannot be found, ...

Deploying an app inside Docker containers on a dedicated Linux server. ... Please note that I will not address proper Flask application structure in this ...

Jul 20, 2021 · docker-compose -f docker-compose.dev.yml up --build My issue is around various errors wherein the app.py file isn’t found by flask. For example: api_1 | Error: Could not locate a Flask application. You did not provide the "FLASK_APP" environment variable, and a "wsgi.py" or "app.py" module was not found in the current directory.

Do not use it in a production deployment. from flask import Flask, render_template # Flask is a class that allows us to create an app # render_template is a method offered by flask app = Flask (__name__) # creates an app with the name of the file @app.route ('/') # route that listens to the homepage def index (): # route handler . import flask app = flask.Flask(__name__) In the …

16.07.2021 · Do not use it in a production deployment. Use a production WSGI server instead. * Debug mode: off Usage: python -m flask run [OPTIONS] Try 'python -m flask run --help' for help. Error: Could not import "hello_app__init__". I tried "hello_app__init__:app" as well as "hello_app__webapp__:app" as entrypoint in the dockerfile – always the same issue.