SDCORE-669 Updated interface, testpod documentation

Change-Id: I4fafe4487518e6212425949feb31f6bc5ae5bb1f
diff --git a/developer/testpod.rst b/developer/testpod.rst
index 19b2ce9..19a2484 100644
--- a/developer/testpod.rst
+++ b/developer/testpod.rst
@@ -1,4 +1,4 @@
-TEST POD
+TestPod
 ========
 
 Description
@@ -10,14 +10,39 @@
 The Testpod can be run locally on any environment having miniKube via helm test package
 file present in repository OR locally as in binary mode.
 
-How to use testPod
+How to use TestPod
 ------------------
 
-* Binary mode
-    * SMF => ./smf -smfcfg ../../config/smfcfg.yaml -uerouting ../../config/uerouting.yaml
-    * UPF => ./pfcpiface -config ../conf/upf.json
-    * TestPod App => ./testpod amf
+* Repository
+    * `https://github.com/omec-project/testpod5G.git`
 
-* Minikube mode
-    * To test SMF(precondition- UPF should be running)
-    * helm install smftest ./helm/smf/
+* Execution
+    * Binary mode
+        * SMF (NF to be tested)
+            * Make SMF clone (`git clone --branch onf-release3.0.5 https://github.com/omec-project/smf.git --recursive`)
+            * Change SMF PFCP port to 8806 (lib/pfcp/pfcpUdp/udp.go PFCP_PORT = 8806)
+            * Compile SMF (go build)
+            * Run SMF image(./smf -smfcfg ../../config/smfcfg.yaml -uerouting ../../config/uerouting.yaml)
+        * UPF (Only PFCP layer)
+            * Make UPF clone (`git clone https://github.com/badhrinathpa/upf-epc.git`)
+            * git checkout "sim_fast_path" branch
+            * cd  pfcpiface and do "go build"
+            * Run UPF pfcp image (./pfcpiface -config ../conf/upf.json)
+        * TestPod App
+            * Make Testpod clone (`git clone  https://github.com/omec-project/testpod5G.git`)
+            * Compile Testpod image(go build)
+            * Run Testpod image as AMF to test SMF ( ./testpod amf )
+        * Update local DNS table as following (/etc/hosts)
+            * # Testpod specific
+            * 127.0.0.1 upf
+            * 127.0.0.1 smf
+            * 127.0.0.1 nrf
+            * 127.0.0.1 pcf
+            * 127.0.0.1 amf
+            * 127.0.0.1 udm
+
+    * Minikube mode
+        * Install minikube using Homebrew (brew install minikube)
+        * Make Testpod clone (`git clone  https://github.com/omec-project/testpod5G.git`)
+        * To test SMF(precondition- UPF should be running)
+        * helm install smftest ./helm/smf/