update docs

Signed-off-by: Jorge Turrado <jorge_turrado@hotmail.es>

keda/README.md

@@ -157,5 +157,30 @@ helm install keda kedacore/keda --namespace keda -f values.yaml
 
 KEDA's default configuration tries to be safest as possible, that's why the configuration is safe as default using these values:
 ```yaml
-
+podSecurityContext:
+  operator:
+    capabilities:
+      drop:
+      - ALL
+    allowPrivilegeEscalation: false
+    readOnlyRootFilesystem: true
+  metricServer:
+    capabilities:
+      drop:
+      - ALL
+    allowPrivilegeEscalation: false
+    ## Metrics server needs to write the self-signed cert so it's not possible set this
+    # readOnlyRootFilesystem: true
+
+securityContext:
+  operator:
+    runAsNonRoot: true
+    runAsUser: 1000
+    runAsGroup: 1000
+    fsGroup: 1000
+  metricServer:
+    runAsNonRoot: true
+    runAsUser: 1000
+    runAsGroup: 1000
+    fsGroup: 1000
 ```