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+..
+   SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+   SPDX-License-Identifier: Apache-2.0
+
+.. _deployment_guide:
+
+Deployment Guide
+================
+
+Deployment Overview
+-------------------
+SD-Core is released with Helm chart and container images.
+We recommend using **Kubernetes** and **Helm** to deploy SD-Core.
+SD-Core images are hosted on an ONF member-only Docker registry.
+You need to obtain access token and supply that as part of the Helm value.
+
+Hardware resource requirement
+-----------------------------
+
+SD-Core 4G has following K8s pods
+
+  - MME: 2 CPU Cores, 4Gi RAM
+  - SPGW: 2 CPU Cores, 4Gi RAM
+  - PCRF: 2 CPU Cores, 1Gi RAM
+  - HSS : 2 CPU Cores, 1Gi RAM
+  - ConfigPod: 1 CPU Core, 1Gi RAM
+  - SimApp: 1 CPU Core, 1Gi RAM
+  - Cassandra: 2 CPU Core, 4Gi RAM
+
+Prepare access credential for SD-Core images
+--------------------------------------------
+
+Container images can be download from ONF self-hosted container registry but you have to gain the access token first.
+
+1. Login to `Aether Harbor Registry <https://registry.aetherproject.org/harbor/sign-in?redirect_url=%2Fharbor%2Fprojects>`_ using your ONF Crowd credential,
+2. Select ``User Profile`` drop-down menu in the upper-right corner
+3. Generate the CLI secret and it's the secret token you have to access the container registry via CLI tool.
+4. Login to the container registry with your username and access token
+   by ``docker login command`` to ensure you can access it.
+
+.. code-block::
+
+      ╰─$ docker login registry.aetherproject.org --username hwchiu
+      Password:
+      Login Succeeded
+
+Deployment Options
+------------------
+
+Development Environments
+""""""""""""""""""""""""
+
+TODO - AIAB document link
+
+Production Environments - 4G
+""""""""""""""""""""""""""""
+
+To install SD-Core into your Kubernetes cluster, follow instructions
+
+Step1 - Clone SD-Core 4G Helm chart
+'''''''''''''''''''''''''''''''''''
+.. code-block::
+
+  git clone ssh://gerrit.opencord.org:29418/sdcore-helm-charts
+  cd sdcore-helm-charts/sdcore-helm-charts/
+  helm dep update #Update Helm dependencies
+
+Step2 - Prepare your Helm values for 4G
+'''''''''''''''''''''''''''''''''''''''
+
+You can modify existing values.yaml directly, but we recommend composing another value
+file myvalues.yaml using values.yaml as an example. We are highlighting a few things we
+need to modify here. More explanation of the supported Helm values can be found in the
+Configuration section below.
+
+Step3 - Install 4G using SD-Core umbrella helm chart
+''''''''''''''''''''''''''''''''''''''''''''''''''''
+
+The following command will deploy the SD-Core helm chart with release name sdcore-4g in the sdcore-4g namespace.
+
+.. code-block::
+
+    helm install -n sdcore-4g --create-namespace -f myvaules.yaml sdcore-4g .
+
+To verify the installation:
+
+.. code-block::
+
+    helm -n sdcore-4g ls
+
+To uninstall:
+
+.. code-block::
+
+    helm -n sdcore-4g uninstall sdcore-4g
+    kubectl delete namespace sdcore-4g # also remove the sdcore-4g if needed
+
+
+Production Environments - 5G
+""""""""""""""""""""""""""""
+
+To install SD-Core into your Kubernetes cluster, follow instructions
+
+Step1 - Clone SD-Core 5G Helm chart
+'''''''''''''''''''''''''''''''''''
+.. code-block::
+
+  git clone ssh://gerrit.opencord.org:29418/sdcore-helm-charts
+  cd sdcore-helm-charts/sdcore-helm-charts/
+  helm dep update #Update Helm dependencies
+
+Step2 - Prepare your Helm value for 5G
+''''''''''''''''''''''''''''''''''''''
+
+You can modify existing values.yaml directly, but we recommend composing another value
+file myvalues.yaml using values.yaml as an example. We are highlighting a few things we
+need to modify here. More explanation of the supported Helm values can be found in the
+Configuration section below.
+
+Step3 - Install 5G using SD-Core umbrella helm chart
+''''''''''''''''''''''''''''''''''''''''''''''''''''
+
+The following command will deploy the SD-Core helm chart with release name sdcore-4g in the sdcore-4g namespace.
+
+.. code-block::
+
+    helm install -n sdcore-5g --create-namespace -f myvaules.yaml sdcore-5g .
+
+To verify the installation:
+
+.. code-block::
+
+    helm -n sdcore-5g ls
+
+To uninstall:
+
+.. code-block::
+
+    helm -n sdcore-5g uninstall sdcore-5g
+    kubectl delete namespace sdcore-5g # also remove the sdcore-5g if needed
+
+