Step-by-Step Guide to Deploying Ory Hydra OAuth 2.0 Server with Docker

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Ory Hydra is an open-source OAuth 2.0 authorization server and OpenID Connect provider that separates authentication from identity storage, delegating login and consent to a user-controlled application. A technical guide published on DEV Community outlines how to deploy Ory Hydra on a Linux server using Docker Compose, PostgreSQL, Nginx, and a Java-based login and consent application. The setup requires a Linux server with at least 2 CPU cores and 4 GB of RAM, along with Docker, Docker Compose, and a configured DNS A record pointing to the server. Configuration is managed through a YAML file, with database credentials and secrets passed via environment variables at runtime, and the admin API is bound to the loopback interface for security. The guide covers directory setup, cloning a Java reference application, generating cryptographic secrets, and configuring Hydra to support a full end-to-end OAuth 2.0 authorization code flow.

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