How much RAM does Apache Airflow need?

Plan on 4 GB for typical use; add headroom if you expect many concurrent users.

What stack does Apache Airflow run on?

Python + scheduler + Postgres/Redis.

Yes — size the plan so Apache Airflow plus your other workloads fit in RAM with room to spare.

Automation

Programmatic workflow scheduling and orchestration.

Define data pipelines as code with scheduling, retries and rich monitoring.

Airflow is the standard for data and batch orchestration, and self-hosting keeps your pipelines and data in-house.

1
Provision a VPS
Choose a plan with room for your data as well as the app.
2
Install the stack
Install Python + scheduler + Postgres/Redis.
3
Deploy the application
Follow the project’s official install guide for your distribution.
4
Enable HTTPS
Serve it on your own domain behind a reverse proxy with a certificate.
5
Back it up
Schedule a database dump plus a copy of any uploaded files to an off-box location.

Give Apache Airflow its own database user with rights only on its own schema.
Reverse-proxy Apache Airflow and terminate TLS at the proxy so certificates are managed in one place.
Take a VPS snapshot before major upgrades so you can roll back cleanly.
Keep Apache Airflow patched — most self-hosting incidents are unpatched software.

How much RAM does Apache Airflow need?: Plan on 4 GB for typical use; add headroom if you expect many concurrent users.
What stack does Apache Airflow run on?: Python + scheduler + Postgres/Redis.
Can I run other things on the same VPS?: Yes — size the plan so Apache Airflow plus your other workloads fit in RAM with room to spare.

Looking for something else? Popular alternatives include Windmill, Dagster, Prefect — browse all app guides.