diff --git a/.examples/docker-compose/insecure/postgres/apache/db.env b/.examples/docker-compose/insecure/postgres/apache/db.env
index 41106ca..dd2a461 100644
--- a/.examples/docker-compose/insecure/postgres/apache/db.env
+++ b/.examples/docker-compose/insecure/postgres/apache/db.env
@@ -1,3 +1,2 @@
 POSTGRES_PASSWORD=
-POSTGRES_DB=nextcloud
-POSTGRES_USER=nextcloud
+POSTGRES_USER=postgres
diff --git a/.examples/docker-compose/insecure/postgres/apache/docker-compose.yml b/.examples/docker-compose/insecure/postgres/apache/docker-compose.yml
index 596568d..159a17b 100644
--- a/.examples/docker-compose/insecure/postgres/apache/docker-compose.yml
+++ b/.examples/docker-compose/insecure/postgres/apache/docker-compose.yml
@@ -18,6 +18,7 @@ services:
       - nextcloud:/var/www/html
     environment:
       - POSTGRES_HOST=db
+      - POSTGRES_DB=nextcloud
     env_file:
       - db.env
     depends_on:
diff --git a/.examples/docker-compose/insecure/postgres/fpm/db.env b/.examples/docker-compose/insecure/postgres/fpm/db.env
index 41106ca..dd2a461 100644
--- a/.examples/docker-compose/insecure/postgres/fpm/db.env
+++ b/.examples/docker-compose/insecure/postgres/fpm/db.env
@@ -1,3 +1,2 @@
 POSTGRES_PASSWORD=
-POSTGRES_DB=nextcloud
-POSTGRES_USER=nextcloud
+POSTGRES_USER=postgres
diff --git a/.examples/docker-compose/insecure/postgres/fpm/docker-compose.yml b/.examples/docker-compose/insecure/postgres/fpm/docker-compose.yml
index b1ff459..113cf66 100644
--- a/.examples/docker-compose/insecure/postgres/fpm/docker-compose.yml
+++ b/.examples/docker-compose/insecure/postgres/fpm/docker-compose.yml
@@ -16,6 +16,7 @@ services:
       - nextcloud:/var/www/html
     environment:
       - POSTGRES_HOST=db
+      - POSTGRES_DB=nextcloud
     env_file:
       - db.env
     depends_on:
diff --git a/.examples/docker-compose/with-nginx-proxy/postgres/apache/db.env b/.examples/docker-compose/with-nginx-proxy/postgres/apache/db.env
index 41106ca..dd2a461 100644
--- a/.examples/docker-compose/with-nginx-proxy/postgres/apache/db.env
+++ b/.examples/docker-compose/with-nginx-proxy/postgres/apache/db.env
@@ -1,3 +1,2 @@
 POSTGRES_PASSWORD=
-POSTGRES_DB=nextcloud
-POSTGRES_USER=nextcloud
+POSTGRES_USER=postgres
diff --git a/.examples/docker-compose/with-nginx-proxy/postgres/apache/docker-compose.yml b/.examples/docker-compose/with-nginx-proxy/postgres/apache/docker-compose.yml
index 2e40e8d..78e34d9 100644
--- a/.examples/docker-compose/with-nginx-proxy/postgres/apache/docker-compose.yml
+++ b/.examples/docker-compose/with-nginx-proxy/postgres/apache/docker-compose.yml
@@ -19,6 +19,7 @@ services:
       - LETSENCRYPT_HOST=
       - LETSENCRYPT_EMAIL=
       - POSTGRES_HOST=db
+      - POSTGRES_DB=nextcloud
     env_file:
       - db.env
     depends_on:
diff --git a/.examples/docker-compose/with-nginx-proxy/postgres/fpm/db.env b/.examples/docker-compose/with-nginx-proxy/postgres/fpm/db.env
index 41106ca..dd2a461 100644
--- a/.examples/docker-compose/with-nginx-proxy/postgres/fpm/db.env
+++ b/.examples/docker-compose/with-nginx-proxy/postgres/fpm/db.env
@@ -1,3 +1,2 @@
 POSTGRES_PASSWORD=
-POSTGRES_DB=nextcloud
-POSTGRES_USER=nextcloud
+POSTGRES_USER=postgres
diff --git a/.examples/docker-compose/with-nginx-proxy/postgres/fpm/docker-compose.yml b/.examples/docker-compose/with-nginx-proxy/postgres/fpm/docker-compose.yml
index 39e85f7..371494a 100644
--- a/.examples/docker-compose/with-nginx-proxy/postgres/fpm/docker-compose.yml
+++ b/.examples/docker-compose/with-nginx-proxy/postgres/fpm/docker-compose.yml
@@ -16,6 +16,7 @@ services:
       - nextcloud:/var/www/html
     environment:
       - POSTGRES_HOST=db
+      - POSTGRES_DB=nextcloud
     env_file:
       - db.env
     depends_on: