» pip install psycopg2
What are the implications of using environment variables for configuring PostgreSQL connection parameters in psycopg2?
Evaluate how psycopg2 handles exceptions, particularly focusing on the psycopg2.Error base class, and its implications for database error management.
Discuss the impact of changes in version 2.7.4 of psycopg2 related to wheel package installations.
» pip install psycopg
Do you have any idea which part I did wrong or maybe I miss out on something?
I am using Ubuntu 22 with Python 3.10.
yaml file
when I run
Ansible version
Pip version
pip freeze
The difference between the two is that
the binary package is a practical choice for development and testing but in production it is advised to use the package built from sources, whereas
building psycopg requires a few prerequisites (a C compiler, some external development library packages)
Read more at psycopg2 documentation on Python's Package Index (PyPI) projects website
if you want to build an image of your app that uses psycopg2, you also have to install the dependencies for it. but with psycopg2-binary, you don't need these dependencies written in C.
To add to your dockerfile the code to setup the essential dependencies for your psycopg2 library. You can add
RUN apt-get update \ && apt-get install -y build-essential libpq-dev gcc \ && rm -rf /var/lib/apt/lists/*
For reference the official documentation - https://www.psycopg.org/docs/install.html#build-prerequisites