Based on the knowledge sources provided, there isn't a definitive recommendation for deploying Ory Oathkeeper in front of multiple microservices. However, I can provide some insights based on the available information: Ory Oathkeeper is designed to be flexible and can be deployed in various ways. It can function as: 1. A reverse proxy in front of your upstream API or web server, acting as a Policy Enforcement Point in your cloud architecture [Oathkeeper Introduction](https://www.ory.sh/docs/oathkeeper). 2. A Policy Decision Point that plugs into other API Gateways like Kong, Nginx, Envoy, or AWS API Gateway [Oathkeeper Introduction](https://www.ory.sh/docs/oathkeeper). The choice between a single deployment or sidecar pattern depends on your specific architecture and requirements. However, the knowledge sources don't provide a clear recommendation for either approach. For production environments, it's worth noting that Ory recommends separating configuration values from the build artifact. They suggest using Kubernetes Secrets for sensitive data like JSON Web Keys [Oathkeeper Configure and deploy](https://www.ory.sh/docs/oathkeeper/configure-deploy#dockerfile). Additionally, Ory provides Helm charts that apply best practices for Kubernetes deployments, which might be helpful if you're using Kubernetes [Oathkeeper Configure and deploy](https://www.ory.sh/docs/oathkeeper/configure-deploy#dockerfile). Given the lack of specific guidance on deploying Oathkeeper with multiple microservices, you might want to consider factors such as: 1. Centralized vs. distributed configuration management 2. Performance and scalability requirements 3. Isolation needs between services 4. Ease of management and updates For a more definitive answer tailored to your specific use case, you may want to consult the Ory community or documentation not included in the provided knowledge sources.