# Security Policy as Code and Open Policy Agent (OPA)
- [SSL certificates with Let's Encrypt in Kubernetes Ingress via cert-manager](#ssl-certificates-with-lets-encrypt-in-kubernetes-ingress-via-cert-manager)
- [Security Policy as Code](#security-policy-as-code)
- [Open Policy Agent in Kubernetes](#open-policy-agent-in-kubernetes)
- [Open Policy Agent in OpenShift](#open-policy-agent-in-openshift)
- [Open Policy Agent in Cloudflare Workers](#open-policy-agent-in-cloudflare-workers)
- [Policy as Code in Terraform Cloud](#policy-as-code-in-terraform-cloud)

## SSL certificates with Let's Encrypt in Kubernetes Ingress via cert-manager
- [medium: Using SSL certificates from Let’s Encrypt in your Kubernetes Ingress via cert-manager](https://medium.com/flant-com/cert-manager-lets-encrypt-ssl-certs-for-kubernetes-7642e463bbce)

## Security Policy as Code
- [OPA Open Policy Agent 🌟](https://www.openpolicyagent.org/)
- [Dzone: DevOps Security at Scale - Security Policy as Code](https://dzone.com/articles/devops-security-at-scale)
- [searchitoperations.techtarget.com: Kubernetes policy project takes enterprise IT by storm](https://searchitoperations.techtarget.com/news/252467102/Kubernetes-policy-project-takes-enterprise-IT-by-storm) A Kubernetes-friendly compliance as code project hosted by the CNCF has caught on among large enterprises in the first half of 2019, largely through word of mouth.
- [magalix.com: Integrating Open Policy Agent (OPA) With Kubernetes 🌟](https://www.magalix.com/blog/integrating-open-policy-agent-opa-with-kubernetes-a-deep-dive-tutorial)
- [fugue.co: 5 tips for using the Rego language for Open Policy Agent (OPA)](https://www.fugue.co/blog/5-tips-for-using-the-rego-language-for-open-policy-agent-opa)

## Open Policy Agent in Kubernetes
- [infracloud.io: Kubernetes Pod Security Policies with Open Policy Agent](https://www.infracloud.io/kubernetes-pod-security-policies-opa/)
- [banzaicloud.com: Istio and Kubernetes ft. OPA policies](https://banzaicloud.com/blog/istio-opa/)

## Open Policy Agent in OpenShift
- [blog.openshift.com: Fine-Grained Policy Enforcement in OpenShift with Open Policy Agent 🌟](https://blog.openshift.com/fine-grained-policy-enforcement-in-openshift-with-open-policy-agent/)

## Open Policy Agent in Cloudflare Workers
* [compile OpenPolicyAgent policies into WebAssembly and run them on the edge](https://github.com/open-policy-agent/contrib/tree/master/wasm/cloudflare-worker)

## Policy as Code in Terraform Cloud
- [hashicorp.com: Securing Infrastructure In Application Pipelines](https://www.hashicorp.com/resources/securing-infrastructure-in-application-pipelines/) Learn how to use policy as code in Terraform Cloud to securely deliver applications.