diff --git a/extension/how-to-build.md b/extension/how-to-build.md
index 24a4e62e..f725df3a 100644
--- a/extension/how-to-build.md
+++ b/extension/how-to-build.md
@@ -148,6 +148,8 @@ cd ${DAEMON}/contrib/native
 make .onnx
 ```
 
+Or by enabling onnx with `--enable-onnx` in the common dependencies
+
 * Linux - With CUDA acceleration (CUDA 10.2):
 
 ```bash
@@ -233,12 +235,45 @@ First you need to go to the plugins repository in your cloned jami-plugins:
 
 - Linux - Nvidia GPU
 
-`PROCESSOR=NVIDIA python3 build-plugin.py --projects=GreenScreen`
+`PROCESSOR=NVIDIA PLATFORM_TYPE="LINUX" AUTHOR='SFL' DIVISION='Internal' python3 build-plugin.py --projects='GreenScreen'`
+
 - Linux - CPU
 
-`python3 build-plugin.py --projects=GreenScreen`
+Using Docker (recommended):
+```bash
+docker run -it --rm \
+    -v $(pwd):/root/jami/:rw \
+    -w /root/ \
+    -e BATCH_MODE=1 \
+    jami-plugins-docker /bin/bash -c "
+    cd jami
+    PLATFORM_TYPE="LINUX" AUTHOR='SFL' DIVISION='Internal' python3 build-plugin.py --projects='GreenScreen'"
+```
+
+Without using Docker :
+
+`PLATFORM_TYPE="LINUX" AUTHOR='SFL' DIVISION='Internal' python3 build-plugin.py --projects='GreenScreen'`
+
 - Android
 
+Using Docker (recommended):
+
+Change the android ABI between `arm64-v8a`, `armeabi-v7a` and `x86_64`.
+`arm64-v8a` is by far the most common ABI.
+
+```bash
+docker run -t --rm
+    -v $(pwd):/home/gradle/plugins:rw
+    -w /home/gradle
+    -e BATCH_MODE=1
+    jami-plugins-android /bin/bash -c "
+    export DAEMON=/home/gradle/plugins
+    cd ./plugins
+    PLATFORM_TYPE="ANDROID" ANDROID_ABI="arm64-v8a" python3 build-plugin.py --projects=GreenScreen --distribution=android
+```
+
+Without using Docker :
+
 ```bash
 export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-amd64/jre
 export ANDROID_HOME=/home/${USER}/Android/Sdk
@@ -246,7 +281,7 @@ export ANDROID_SDK=${ANDROID_HOME}
 export ANDROID_NDK=${ANDROID_HOME}/ndk/21.1.6352462
 export ANDROID_NDK_ROOT=${ANDROID_NDK}
 export PATH=${PATH}:${ANDROID_HOME}/tools:${ANDROID_HOME}/platform-tools:${ANDROID_NDK}:${JAVA_HOME}/bin
-ANDROID_ABI="<android-architecture-separate-by-space>" python3 build-plugin.py --projects=GreenScreen --distribution=android
+PLATFORM_TYPE="ANDROID" ANDROID_ABI="<android-architecture-separate-by-space>" python3 build-plugin.py --projects=GreenScreen --distribution=android
 ```
 
 The GreenScreen.jpl file will be available under `<build/>`.