diff --git a/README.md b/README.md
index d024089..6c17e4b 100644
--- a/README.md
+++ b/README.md
@@ -4,20 +4,17 @@ The purpose of oc-deploy, is to deploy all the OC components over a Kubernetes c
 
 An OpenCloud deployment is composed of the following layers: 
 
-OpenCloud components | <-- TODO
---------------------------
-KubernetesCluster | <-- TODO
--------------------------- 
-IaaS (VMs, LAN) | <-- pre-requisite
---------------------------
-HW (network and servers) | <-- pre-requisite
---------------------------
+
+| Layer                    | Tool                  |
+| ------------------------ | --------------------- |
+| OpenCloud components     | oc-deploy binary      |
+| KubernetesCluster        | TODO or pre-requisite |
+| IaaS (VMs, LAN)          | pre-requisite         |
+| HW (network and servers) | <-- pre-requisite     |
 
 
 It thus contains a first optional installation layer which deploys the Kubernetes nodes (control plane(s) and workers) above an existing infrastructure (Iaas).
 
-Then the second installation layer uses Helm charts to deploy and configure all the OC components.
-
 This documentation will be updated with the needed command and/or requirements to properly execute the installation.
 
 # Deploy cluster
diff --git a/src/README.md b/src/README.md
new file mode 100644
index 0000000..68ab878
--- /dev/null
+++ b/src/README.md
@@ -0,0 +1,80 @@
+# Purpose
+
+**oc-deploy** is a tool to deploy (with **helm**) all component of **OpenCloud**.
+
+# Usage
+
+| Command                                                                       | Description                 |
+| ----------------------------------------------------------------------------- | --------------------------- |
+| ```oc-deploy```                                                               | Display help                |
+| ```oc-deploy version```                                                       | Display the version of tool |
+| ```oc-deploy install [-c\|--context <context>] [-v\|--version <OcVersion>]``` | Deploy an OpenCloud         |
+| ```oc-deploy uninstall [-c\|--context <context>]```                           | Undeploy an OpenCloud       |
+
+| Arguments        | Description                 | Default      |
+| ---------------- | --------------------------- | ------------ |
+| ```context```    | Context Kubernetes          |  _opencloud_ |
+| ```OcVersion```  | Specific version or latest  | _latest_     |
+
+# Principe
+
+# Pre-requis
+
+**oc-deploy** need to access to an Kubernetes Cluster, c'est-à-dire : kubeconfig.
+
+**oc-deploy** need to access to Internet :
+
+* to download the _oc.json_ file (contient _oc.yml_) :
+  * Url : https://cloud.o-forge.io/core/oc-deploy/releases
+* to download _kubectl_ and _helm_ tools if
+  * Url : Urls are specified into _oc.yml_
+
+# Development
+
+To init: 
+
+```
+  make get-deps
+```
+
+## To build
+
+```
+  make build
+```
+
+## To run
+
+```
+  make run_install [BIN_OPTS="<args>"]
+  make run_uninstall [BIN_OPTS="<args>"]
+  make run_generate [BIN_OPTS="<args>"]
+```
+
+or
+
+```
+  make exec_install [BIN_OPTS="<args>"]
+  make exec_uninstall [BIN_OPTS="<args>"]
+  make exec_generate [BIN_OPTS="<args>"]
+```
+
+# To Test
+
+All packages:
+
+```
+  make test
+```
+
+or to test an specific package:
+
+```
+  make test_<package>
+```
+
+Test generate _.coverage.html_ file to view the coverage of test.
+
+## To Publish
+
+Cf : ../publish 
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