DOC: adding build page

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

README.md

@@ -20,6 +20,8 @@ Its main purpose is for Continuous Integration scripting.
 
 It also hosts some tutorials.
 
+* [How to do a container-based simple deployment](docs/DEPLOY_HOME.md).
+
 # Licence info
 
 It is distributed under `OAI Public License V1.1`.

docs/BUILD_IMAGES.md

+<table style="border-collapse: collapse; border: none;">
+  <tr style="border-collapse: collapse; border: none;">
+    <td style="border-collapse: collapse; border: none;">
+      <a href="http://www.openairinterface.org/">
+         <img src="./images/oai_final_logo.png" alt="" border=3 height=50 width=150>
+         </img>
+      </a>
+    </td>
+    <td style="border-collapse: collapse; border: none; vertical-align: center;">
+      <b><font size = "5">OpenAirInterface Core Network Docker Deployment : Building the Images</font></b>
+    </td>
+  </tr>
+</table>
+
+# 1.  Retrieve the proper code version #
+
+At the time of writing (2020 / 09 / 23), this is the current state:
+
+ * Limited attach
+ * We are using our 4G SPGW-U as UPF
+
+**cNF Name** | **Branch Name** | **Commit at time of writing**              | Ubuntu18 | CentOS7 | CentOS8
+------------ | --------------- | ------------------------------------------ | -------- | ------- | -------
+AMF          | `develop`       | `8341c82073923601091f59803fe6c066cd8a68d8` | X        |         |  
+SMF          | `develop`       | `e43b4429ce0eb8e754dd2bfbaa2c620cfa36ac49` | X        |         |  
+SPGW-U-TINY  | `develop`       | `e812920bc48dcedb0e8f3811f3dbbe2ebebeb899` | X        |         |  
+
+```bash
+$ git clone https://gitlab.eurecom.fr/oai/cn5g/oai-cn5g-fed.git
+$ cd oai-cn5g-fed
+$ git checkout master
+$ git pull origin master
+$ ./scripts/syncComponents.sh
+---------------------------------------------------------
+OAI-AMF    component branch : develop
+OAI-SMF    component branch : develop
+OAI-SPGW-U component branch : develop
+---------------------------------------------------------
+....
+```
+
+# 2. Generic Parameters #
+
+Here in our network configuration, we need to pass the "GIT PROXY" configuration.
+
+*   If you do not need, remove the `--build-arg NEEDED_GIT_PROXY=".."` option.
+*   If you do need it, change with your proxy value.
+
+# 3. Build AMF Image #
+
+## 3.1 On a Ubuntu 18.04 Host ##
+
+```bash
+$ docker build --target oai-amf --tag oai-amf:production \
+               --file component/oai-amf/docker/Dockerfile.ubuntu.18.04 \
+               --build-arg NEEDED_GIT_PROXY="http://proxy.eurecom.fr:8080" \
+               component/oai-amf
+$ docker image prune --force
+$ docker image ls
+oai-amf                 production             f478bafd7a06        1 minute ago          258MB
+...
+```
+
+# 4. Build SMF Image #
+
+## 4.1 On a Ubuntu 18.04 Host ##
+
+```bash
+$ docker build --target oai-smf --tag oai-smf:production \
+               --file component/oai-smf/docker/Dockerfile.ubuntu.18.04 \
+               --build-arg NEEDED_GIT_PROXY="http://proxy.eurecom.fr:8080" \
+               component/oai-smf
+$ docker image prune --force
+$ docker image ls
+oai-smf                 production             f478bafd7a06        1 minute ago          274MB
+...
+```
+
+# 5. Build SPGW-U Image #
+
+## 5.1 On a Ubuntu 18.04 Host ##
+
+```bash
+$ docker build --target oai-spgwu-tiny --tag oai-spgwu-tiny:production \
+               --file component/oai-upf-equivalent/ci-scripts/Dockerfile.ubuntu18.04 \
+               --build-arg EURECOM_PROXY="http://proxy.eurecom.fr:8080" component/oai-upf-equivalent
+$ docker image prune --force
+$ docker image ls
+oai-spgwu-tiny          production             588e14481f2b        1 minute ago          220MB
+...
+```
+
+You are ready to [Configure the Containers](./CONFIGURE_CONTAINERS.md).