diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index e9713e6..034fc7f 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -54,8 +54,29 @@ bash start_docker.sh
 The first time you execute this the database migrations
 won't be applied but we are going to solve this soon.
 
-As soon as the application is already listening interrupt
-the process and
+As soon as the application is already listening open
+a new terminal and execute the following command to install
+the database migrations.
+
+```shell
+bash install_docker.sh
+```
+
+It is very important that all the docker actions are
+done when the container is started otherwise they
+will throw error and do nothing.
+
+### Creating new migrations.
+
+```shell
+bash prepare_docker.sh
+```
+
+### Upgrading the database with the new migrations.
+
+```shell
+bash upgrade_docker.sh
+```
 
 ## Installing
 
diff --git a/install_docker.sh b/install_docker.sh
new file mode 100644
index 0000000..55ff870
--- /dev/null
+++ b/install_docker.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+sudo docker exec LasTresDocker bash -c 'source ~/.profile && perl /var/lib/las_tres/LasTres/script/install.pl'
diff --git a/prepare_docker.sh b/prepare_docker.sh
new file mode 100644
index 0000000..6fa7b85
--- /dev/null
+++ b/prepare_docker.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+sudo docker exec LasTresDocker bash -c 'source ~/.profile && perl /var/lib/las_tres/LasTres/script/prepare.pl'
diff --git a/upgrade_docker.sh b/upgrade_docker.sh
new file mode 100644
index 0000000..149298a
--- /dev/null
+++ b/upgrade_docker.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+sudo docker exec LasTresDocker bash -c 'source ~/.profile && perl /var/lib/las_tres/LasTres/script/upgrade.pl'