diff --git a/src/.docker_modules/macs3/3.0.0a6/Dockerfile b/src/.docker_modules/macs3/3.0.0a6/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..80cf4d263d4fead7d0236d6cc1f7268eb79f8064
--- /dev/null
+++ b/src/.docker_modules/macs3/3.0.0a6/Dockerfile
@@ -0,0 +1,14 @@
+FROM python:3.9-slim
+MAINTAINER Laurent Modolo
+
+ENV MACS3_VERSION=3.0.0a6
+RUN apt-get update -qq \
+    && apt-get install --no-install-recommends --yes \
+        build-essential \
+        zlib1g-dev \
+        libbz2-dev \
+        liblzma-dev \
+        libcurl4-gnutls-dev \
+        libssl-dev \
+        libncurses5-dev
+RUN pip install macs3==${MACS3_VERSION}
diff --git a/src/.docker_modules/macs3/3.0.0a6/docker_init.sh b/src/.docker_modules/macs3/3.0.0a6/docker_init.sh
new file mode 100755
index 0000000000000000000000000000000000000000..3c830318a39076b8f2ca4dc2e7442c8c046a320a
--- /dev/null
+++ b/src/.docker_modules/macs3/3.0.0a6/docker_init.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+docker pull lbmc/macs3:3.0.0a6
+docker build src/.docker_modules/macs3/3.0.0a6 -t 'lbmc/macs3:3.0.0a6'
+docker push lbmc/macs3:3.0.0a6