Psycopg2 usage in Elastic Beanstalk

While Elastic Beanstalk doesn't have a built-in method specifically for building psycopg2 when launching a Django app, you can configure your environment to build psycopg2 from source during deployment. This can be achieved by using Elastic Beanstalk's configuration files and customizing your deployment process.

To accomplish this, you can create a .ebextensions directory in your project root and add a configuration file (e.g., 01_packages.config) to install the necessary build dependencies. Then, you can modify your requirements.txt file to specify building psycopg2 from source.

Here's a general approach:

1. In your .ebextensions/01_packages.config file, add:

packages:
yum:
postgresql-devel: []
python3-devel: []
gcc: []

This ensures that the necessary development libraries are installed.

2. In your requirements.txt file, specify psycopg2 to be built from source:

psycopg2==2.9.3 --no-binary psycopg2

Replace 2.9.3 with the version you need.

3. Make sure your virtual environment is set up correctly and that you're using the appropriate Python version as specified in your Elastic Beanstalk environment.

4. Deploy your application using the Elastic Beanstalk CLI or the AWS Management Console.

This approach should allow Elastic Beanstalk to build psycopg2 from source during the deployment process. Keep in mind that building from source may increase your deployment time compared to using the binary version.

If you continue to face issues, you may need to further customize your deployment process or consider using the binary version of psycopg2 if building from source proves too challenging in your specific environment.
Sources
Deploying a Django application to Elastic Beanstalk - AWS Elastic Beanstalk
Setting up your Python development environment for Elastic Beanstalk - AWS Elastic Beanstalk
How to Deploy an Application with the Elastic Beanstalk Command Line Interface | AWS