Merge pull request #3 from BrianAdams/master

Improved documentation on setting up discourse-saml

README.md

@@ -2,8 +2,32 @@
 
 A Discourse Plugin to enable authentication via SAML
 
+Setting up your idp:
+The entitiy-id should be: http://example.com
+The consumer assertion service url should be: https://example.com/auth/saml/callback
+
+You may need to set your idp to send an extra custom attribute 'screenName', that will become the users id.
+
+For idp-initated SSO, use the following URL:
+https://example.com/auth/saml/callback
+
 ### Configuration
 
+For Docker based installations:
+
+Add the following settings to your `app.yml` file in the Environment Settings section:
+```
+## Saml plugin setting
+  DISCOURSE_SAML_TARGET_URL: https://idpvendor.com/saml/login/
+  DISCOURSE_SAML_CERT_FINGERPRINT: "43:BB:DA:FF..."
+  #DISCOURSE_SAML_REQUEST_METHOD: post
+  DISCOURSE_SAML_CERT: "-----BEGIN CERTIFICATE----- 
+  ...
+  -----END CERTIFICATE-----"
+```
+
+For non docker:
+
 Add the following settings to your `discourse.conf` file:
 
 - `saml_target_url`