Deploy python 3 and Flask app

Hello,

I am sorry but your request is not very clear. If you deployed it without a virtual env have you tried just setting it up? I would recommend reviewing the following guide that shows how to deploy a flask app, specifically how to install flask and setup the virtual env. You can find that here

If this doesn’t help, please be a bit more specific on exactly what problem you are having as itn’s not entirely clear what you are trying to do and the problem you are having.

Yes, you can deploy a Python 3 and Flask app on Digital Ocean without using a Virtual Environment, although it’s not recommended.

Using a Virtual Environment (venv) for your Flask application can help to isolate your project and avoid version conflicts between packages. It helps you have a separate environment for each project, where each can have its own dependencies, regardless of what dependencies every other project has.

However, if you choose to deploy without a Virtual Environment, you can do so by installing your dependencies globally. Here’s a basic outline of steps you could take:

1. SSH into your Digital Ocean Droplet:

ssh root@your_droplet_ip

2. Update the package lists for upgrades and new package installations:

apt-get update
apt-get upgrade

3,. Install Python 3 and pip (Python package installer):

sudo apt-get install python3
sudo apt-get install python3-pip

4. Clone your Flask application from your Git repository (replace <your-repository-url> with your actual repository URL):

git clone <your-repository-url>

5. Navigate to your project directory (replace <your-project-dir> with your actual project directory):

cd <your-project-dir>

6. Install your project dependencies (you should have a requirements.txt file in your project directory):

sudo pip3 install -r requirements.txt

7. Finally, run your Flask application (replace <your-flask-file> with your actual Flask python file):

python3 <your-flask-file>.py

Remember, this is a simplified deployment process and doesn’t involve setting up a WSGI server (like Gunicorn) or a HTTP server (like Nginx), which you would likely want for a production Flask application.

If you decide to use a Virtual Environment (which is the recommended way), you would simply create the environment with python3 -m venv /path/to/new/virtual/environment, activate it with source /path/to/new/virtual/environment/bin/activate, and then install the dependencies within the environment. The rest of the steps would be the same.