diff --git a/docker-compose.apple-m1.override.yml b/docker-compose.apple-m1.override.yml
index 585a4555e..888bb551e 100644
--- a/docker-compose.apple-m1.override.yml
+++ b/docker-compose.apple-m1.override.yml
@@ -3,8 +3,6 @@
 # To use it it is required to explicitly define if you want to build with it:
 # > docker-compose -f docker-compose.yml -f docker-compose.override.yml -f docker-compose.apple-m1.override.yml up
 
-version: "3.4"
-
 services:
   ########################################################
   # FRONTEND #############################################
diff --git a/docker-compose.override.yml b/docker-compose.override.yml
index 08e02f1d7..4807a6bbf 100644
--- a/docker-compose.override.yml
+++ b/docker-compose.override.yml
@@ -1,5 +1,3 @@
-version: "3.4"
-
 services:
 
   ########################################################
diff --git a/docker-compose.test.yml b/docker-compose.test.yml
index ff6ed61b8..f4188d430 100644
--- a/docker-compose.test.yml
+++ b/docker-compose.test.yml
@@ -1,5 +1,3 @@
-version: "3.4"
-
 services:
   ########################################################
   # FRONTEND #############################################
diff --git a/docker-compose.yml b/docker-compose.yml
index 4243956c4..76243a98a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,8 +3,6 @@
 # is required to explicitly define if you want an production build:
 # > docker-compose -f docker-compose.yml up 
 
-version: "3.4"
-
 services:
 
   ########################################################
@@ -67,7 +65,7 @@ services:
       context: ./mariadb
       target: mariadb_server
     environment:
-      - MARIADB_ALLOW_EMPTY_ROOT_PASSWORD=1
+      - MARIADB_ALLOW_EMPTY_PASSWORD=1
       - MARIADB_USER=root
     networks: 
       - internal-net
diff --git a/e2e-tests/.nvmrc b/e2e-tests/.nvmrc
new file mode 100644
index 000000000..9dfdb2923
--- /dev/null
+++ b/e2e-tests/.nvmrc
@@ -0,0 +1 @@
+v19.5.0
\ No newline at end of file