flask-docker | Fastest way to ship Python web apps | Continuous Deployment library
kandi X-RAY | flask-docker Summary
kandi X-RAY | flask-docker Summary
Fastest way to ship Python web apps, anywhere. Be shipping (using Docker, Flask, Gunicorn, Whitenoise)
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Trending Discussions on flask-docker
QUESTION
There is an idea that indicates not to run flask app in production with gunicorn or uwsgi. Tiangolo has mentioned in one of his repositories that app.run should be used just for development, not deployment or production. Link to Tiangolo's comment on this topic His code is as follows:
...ANSWER
Answered 2022-Jan-05 at 13:07After digging around with gunicorn library for a while, I noticed that gunicorn uses import.import_module to import the entrypoint module(The module that contains the app, in my case entry_point.py) and the codes under if __name__ == '__main__': won't be executed and it's pretty safe to put anything there. Link to import_app method in gunicorn library. This method is called from method load_wsgiapp link to load_wsgiapp inside the primary runner class WSGIApplication Link to WSGIApplication class.
As I noticed Tiangolo meant that using flask app directly for production is not safe because:
The flask application server is not developed or tested for production performance or security.
QUESTION
Following this tutorial to dockerize a Flask stack, I am trying to lauch an existing application from an external manage.py file
My app structure goes like:
...ANSWER
Answered 2021-Sep-16 at 17:55It can't find the module because it doesn't know what directory to search to find the file manage.py.
try to add manage.py information to init file. from web import manage
QUESTION
While using docker build -t /flask-docker to create an image to later upload it to heroku, I get the following errors:
...ANSWER
Answered 2021-Jun-25 at 14:26Might need to do RUN apt-get update && apt-get install -y cmake before the pip install.
QUESTION
I am using a really simple docker-compose file from here:
https://github.com/brandonserna/flask-docker-compose
this is the docker compose file:
...ANSWER
Answered 2021-Apr-02 at 13:55Not enough for comment so this is why: From what it seems it could be either firewall rule in your host running the container or one between the host to your house. To test which on between the two I'd try to use nmap with --reason and --tracerout options, since we have connectivity in another port it's unlikely that there is a complete block between your home and the container so the traceroute wouldn't give much info but just in case. Also if you have root access to the host machine or just to the iptables service try to stop it to check if that's the root cause for the block.
also check with docker ps if the port is bound to the port on the machine, should look something like this:
0.0.0.0:port --> tcp\port
where instead of port you have the port number
If it doesn't maybe it's due to some problem with the docker-compose up command so try to run the service with a simple docker run command
QUESTION
Trying a simple python flask web app in docker 20.10.2, build 2291f61.
Doing the: docker build -t hello-world . starts out ok (please see below), but ends with:
ANSWER
Answered 2021-Feb-27 at 01:41You should change the RUN lines in the Dockerfile with apt-get in them to use the -y flag to skip asking you to confirm "yes".
The Dockerfile in the tutorial actually seems out of date or has errors in it. You need to use pip3 now to install Flask and also include the -y flag in your apt-get commands. I edited the Dockerfile from the tutorial and posted below:
QUESTION
My Docker container run gunicorn, which points to "myapp.py", which is using the flask.
...ANSWER
Answered 2020-Apr-18 at 00:05The default behavior in Unix-like environments is for a process to inherit its parent's stdout (and stdin and stderr). You can demonstrate this in your local shell easily enough:
QUESTION
Some docker images are retagged with the same tag when they are updated.
what sort of strategies or approaches are people working off to ensure they pull newer base images to feed their Dockerfile FROM statements or for services that depend on images with upgrades (but the same tag)
I know kubernetes has the pull_policy statement, but what is an equivalent soft-option for docker, swarm or docker-compose.
As an example, we use tiangolo/uwsgi-nginx-flask:python3.6 as a base for Flask apps. From time to time, this image is upgraded, and as such the base OS, python, nginx, flask and other dependencies all receive updates, but we always use the same image tag.
docker-compose does not have a built-in method to handle refreshing base images during build and so we just do the following in a pre-build script to forcefully pull new images:
...ANSWER
Answered 2020-Apr-11 at 09:09Docker compose will use the current image from the local image cache for the base image, unless the build is trigger explicitly using docker-compose build --pull.
If you one day should decide to seperate the build and run lifecycle, docker build --pull provides the same behavior.
QUESTION
I am currently running a docker container containing a flask app with nginx based on this reposirtor: https://github.com/tiangolo/uwsgi-nginx-flask-docker
I have also created an image with an rq worker to which my app is connected. The usage scenario is that I have a webpage through which I upload a file which is received and saved by my flask uploadFile. Before using docker I just had to pass the path to the file to my RQ worker to process. However, now the worker does not have access to the same directories thus, it is not finding the file.
What is the best way to share files between 2 containers in this scenario?
...ANSWER
Answered 2020-Mar-24 at 10:01If you wish to share files between two docker containers the best approach is to create volume mounts. This volume will be managed by docker and be still available even if the containers are not using it. Please refer the documentation for more details.
Consider the following example where two containers share a named volume.
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Install flask-docker
You can use flask-docker like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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