docker compose python postgres
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tutorial: docker compose setup for python and postgresql
in this tutorial, you'll learn how to use docker compose to create a development environment with python and postgresql. docker compose allows you to define and run multi-container docker applications easily. we'll set up a simple python application that interacts with a postgresql database using docker compose.
prerequisites:
step 1: project setup
create a directory for your project and navigate into it:
step 2: dockerfile
create a dockerfile for your python application. this file describes the environment for your python code. here's a basic example:
save this file as dockerfile in your project directory.
step 3: docker compose configuration
create a docker-compose.yml file in your project directory. this file defines the services that make up your application. in this case, we'll define services for our python application and postgresql database:
in this configuration:
step 4: python application
create your python application code. for demonstration purposes, let's create a simple flask app that connects to the postgresql database:
save this file as app.py in your project directory.
step 5: requirements file
create a requirements.txt file listing the dependencies for your python application:
...
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