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-# Processor Development Environment (PDE)
-
-The _Processor Development Environment (PDE)_ provides a web-based application that allows the user to perform platform-hosted interactive analysis and application development.
-
-## Helm Chart
-
-The _Processor Development Environment_ is deployed via the `eoepca/jupyterhub` helm chart from the [EOEPCA Helm Chart Repository](https://eoepca.github.io/helm-charts).
-
-The chart is derived from the public chart `jupyterhub/k8s-hub` that is available on DockerHub - [https://hub.docker.com/r/jupyterhub/k8s-hub](https://hub.docker.com/r/jupyterhub/k8s-hub).
-
-```bash
-helm install --version 1.1.12 --values pde-values.yaml \
-  --repo https://eoepca.github.io/helm-charts \
-  pde jupyterhub
-```
-
-## Values
-
-The `jupyterhub/k8s-hub` chart supports many values. Typically, values for the following attributes may be specified:
-
-* The persistence storage-class to be used
-* URLs for OAuth integration with the EOEPCA Login Service (OIDC Provider)
-* Ingress configuration
-* Certificate Issuer for TLS
-
-**Example `pde-values.yaml`...**
-
-```yaml
-hub:
-  db:
-    pvc:
-      storageClassName: standard
-  extraEnv:
-    OAUTH_CALLBACK_URL: "https://pde.192-168-49-2.nip.io/hub/oauth_callback"
-    OAUTH2_USERDATA_URL: "https://auth.192-168-49-2.nip.io/oxauth/restv1/userinfo"
-    OAUTH2_TOKEN_URL: "https://auth.192-168-49-2.nip.io/oxauth/restv1/token"
-    OAUTH2_AUTHORIZE_URL: "https://auth.192-168-49-2.nip.io/oxauth/restv1/authorize"
-    OAUTH_LOGOUT_REDIRECT_URL: "https://auth.192-168-49-2.nip.io/oxauth/restv1/end_session?post_logout_redirect_uri=https://pde.192-168-49-2.nip.io"
-    STORAGE_CLASS: "standard"
-ingress:
-  enabled: true
-  annotations:
-    cert-manager.io/cluster-issuer: letsencrypt-production
-  hosts:
-    - host: pde.192-168-49-2.nip.io
-      paths:
-        - path: /
-  tls:
-    - hosts:
-        - pde.192-168-49-2.nip.io
-      secretName: pde-tls
-```
-
-
-### JupyterHub Secret
-
-The PDE relies upon a Kubernetes secret `jupyterhub-secrets` that provides confidential values, including the client credentials for the Login Service. The credentials of the client registered for resource protection (ref. [Client Registration](resource-protection.md#client-registration)) can be re-used from the local file `client.yaml` as follows...
-
-```
-kubectl -n pde create secret generic jupyterhub-secrets \
-  --from-literal=JUPYTERHUB_CRYPT_KEY="$(openssl rand -hex 32)" \
-  --from-literal=OAUTH_CLIENT_ID="$(cat client.yaml | grep client-id | cut -d\  -f2)" \
-  --from-literal=OAUTH_CLIENT_SECRET="$(cat client.yaml | grep client-secret | cut -d\  -f2)"
-```
-
-## PDE Usage
-
-The PDE is accessed at the endpoint `https://pde.<domain>/`, configured by your domain - e.g. [https://pde.192-168-49-2.nip.io/](https://pde.192-168-49-2.nip.io/).
-
-## Additional Information
-
-Additional information regarding the _Processor Development Environment_ can be found at:
-
-* [Helm Chart](https://github.com/EOEPCA/helm-charts/tree/main/charts/pde-jupyterhub)
-* [GitHub Repository](https://github.com/EOEPCA/pde-container)