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System requirements

The minimum system requirements per stack are:
  • CPU: 2 core
  • Memory: 4GB RAM
  • Disk: 10GB

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PostgreSQL

Bring two PostgreSQL databases; a single server hosting both is fine. Give each a standard postgresql://user:pass@host[:port]/dbname URL — the dbname in that URL is the database the stack uses, for example control and agent_events. Both databases must exist before the first docker compose up — the stack does not create them. Create them with an administrative role:
The administrative role is only for this one-time creation. The role in the .env URLs needs no CREATEDB, just access to those two databases.
For the minimum privileges the stack’s database user needs, see Security → Database least privilege.

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OIDC identity provider

You need an OIDC identity provider — Okta, Entra ID, Google Workspace, or similar — where you can register an OAuth client for Oso. You set the specific values during installation.