diff --git a/linux/advanced/mattermost/Dockerfile b/linux/advanced/mattermost/Dockerfile
new file mode 100644
index 000000000..e63f2b207
--- /dev/null
+++ b/linux/advanced/mattermost/Dockerfile
@@ -0,0 +1,16 @@
+FROM mattermost/mattermost-enterprise-edition as bootstrap
+RUN cd ./bin && \
+    ls -las
+
+FROM python:2.7-buster as edit
+COPY edit.py /tmp/edit.py
+COPY --from=bootstrap /mattermost/bin/mattermost /tmp/mattermost
+RUN cd /tmp && \
+    chmod +x ./edit.py && \
+    ./edit.py
+
+FROM mattermost/mattermost-enterprise-edition
+RUN rm -rfv /mattermost/bin/mattermost
+COPY --from=edit /tmp/mattermost /mattermost/bin/
+RUN cd ./bin && \
+    ls -las
diff --git a/linux/advanced/mattermost/Makefile b/linux/advanced/mattermost/Makefile
new file mode 100644
index 000000000..82c5a2de6
--- /dev/null
+++ b/linux/advanced/mattermost/Makefile
@@ -0,0 +1,5 @@
+all: app
+
+app:
+	docker-compose build --compress
+	docker-compose push
diff --git a/linux/advanced/mattermost/docker-compose.yml b/linux/advanced/mattermost/docker-compose.yml
new file mode 100644
index 000000000..d778bcbd9
--- /dev/null
+++ b/linux/advanced/mattermost/docker-compose.yml
@@ -0,0 +1,6 @@
+version: '3.9'
+services:
+  app:
+    image: "epicmorg/mattermost-enterprise-edition:latest"
+    build:
+      context: .
diff --git a/linux/advanced/mattermost/edit.py b/linux/advanced/mattermost/edit.py
new file mode 100755
index 000000000..64e9acc7d
--- /dev/null
+++ b/linux/advanced/mattermost/edit.py
@@ -0,0 +1,13 @@
+#!/usr/bin/python2
+import os
+fp = open(os.path.join(os.path.dirname(__file__), "mattermost"), "r+b")
+print("Try before buy (c)")
+try:
+    pos = fp.read().find("MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyZmShlU8Z8HdG0IWSZ8r\ntSyzyxrXkJjsFUf0Ke7bm/TLtIggRdqOcUF3XEWqQk5RGD5vuq7Rlg1zZqMEBk8N\nEZeRhkxyaZW8pLjxwuBUOnXfJew31+gsTNdKZzRjrvPumKr3EtkleuoxNdoatu4E\nHrKmR/4Yi71EqAvkhk7ZjQFuF0osSWJMEEGGCSUYQnTEqUzcZSh1BhVpkIkeu8Kk\n1wCtptODixvEujgqVe+SrE3UlZjBmPjC/CL+3cYmufpSNgcEJm2mwsdaXp2OPpfn\na0v85XL6i9ote2P+fLZ3wX9EoioHzgdgB7arOxY50QRJO7OyCqpKFKv6lRWTXuSt\nhwIDAQAB")
+    fp.seek(pos)
+    fp.write("MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmCvX08GJRrbqYZbJtGXj\nXYmoRva8Yvk43uspBiNQoFYp0N8mWfmDhCqUzW7i9GZKDlEgn2IYoL2GxiRpSJaP\nirK8FGwD+o0efzhTHeGWOvD4e0c8gQZbpe85p17vha2i2xZiWQ4UBlq7jUFcuy6F\nfcgUK+fVI8+IvvjtkIZRqRLLlXCRnpuEWq/8vJF7yHql2jxiGUdXkFkZsgPgXizv\nmY0op5ui6n/f7ljVIIdad10OLNsW/xxk6VxirAIyuDZK9GSRGjjvDhi/yNcC0yJe\njYTCeDoD+GVh3twk+RyFo9S1AG7kKWtHTNu3MLh9/XnRJdpgrlAE7Z4+VfHrsbXp\ntwIDAQAB")
+    print("OK")
+except:
+    print("Nothing to do")
+finally:
+    fp.close()