diff --git a/.env.example b/.env.example
index dd9b417..4233639 100644
--- a/.env.example
+++ b/.env.example
@@ -1,9 +1,10 @@
 ### Mixpost ############################
 MIXPOST_RELEASE_NAME=inovector/mixpost
-MIXPOST_RELEASE_VERSION=v1.1.1
+MIXPOST_RELEASE_VERSION=v1.7.2
 MIXPOST_APP_NAME='Mixpost'
 MIXPOST_APP_URL=http://127.0.0.1:80
 MIXPOST_APP_PORT=CHANGE_ME_HERE
+MIXPOST_APP_KEY='CHANGE_ME_HERE'
 MIXPOST_DB_DATABASE='CHANGE_ME_HERE'
 MIXPOST_DB_USERNAME='CHANGE_ME_HERE'
 MIXPOST_DB_PASSWORD='CHANGE_ME_HERE'
diff --git a/README.md b/README.md
index 0b10311..9228672 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,8 @@ Checkout the meaning for the environments variables:
 
 * ``MIXPOST_APP_PORT``, Mixpost App Port, like ``9000``.
 
+* ``MIXPOST_APP_KEY``, Mixpost app key, [generated with this link.](https://mixpost.app/tools/encryption-key-generator)
+
 * ``MIXPOST_DB_DATABASE``, Mixpost db name, like ``mixpost``.
 
 * ``MIXPOST_DB_USERNAME``, Mixpost user name, don't use the name with spaces (temporary issue).
@@ -33,10 +35,11 @@ Pull the images and run the containers, executing the following command:
 docker-compose up -d
 ```
 
-An admin user will be created automatically. Check the mixpost container logs to find out the password, executing the following command:
+An admin user will be created automatically with the following login:
 
 ```
-docker-compose logs -f mixpost
+Email:    admin@example.com
+Password: changeme
 ```
 
 You can log in to Mixpost at ``/mixpost`` using the admin user account created.
diff --git a/docker-compose.yml b/docker-compose.yml
index a6944e4..a0db112 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,6 +6,7 @@ services:
         environment:
             APP_NAME: ${MIXPOST_APP_NAME}
             APP_URL: ${MIXPOST_APP_URL}
+            APP_KEY: ${MIXPOST_APP_KEY}
             DB_DATABASE: ${MIXPOST_DB_DATABASE}
             DB_USERNAME: ${MIXPOST_DB_USERNAME}
             DB_PASSWORD: ${MIXPOST_DB_PASSWORD}