diff --git a/.examples/docker-compose/insecure/postgres/apache/docker-compose.yml b/.examples/docker-compose/insecure/postgres/apache/docker-compose.yml
index f69bb72e..458ea986 100644
--- a/.examples/docker-compose/insecure/postgres/apache/docker-compose.yml
+++ b/.examples/docker-compose/insecure/postgres/apache/docker-compose.yml
@@ -4,6 +4,8 @@ services:
   db:
     image: postgres
     restart: always
+    environment: 
+      - POSTGRES_DATABASE=not_used
     volumes:
       - db:/var/lib/postgresql/data
     env_file:
diff --git a/.examples/docker-compose/insecure/postgres/fpm/docker-compose.yml b/.examples/docker-compose/insecure/postgres/fpm/docker-compose.yml
index 7a1fab7d..63330b95 100644
--- a/.examples/docker-compose/insecure/postgres/fpm/docker-compose.yml
+++ b/.examples/docker-compose/insecure/postgres/fpm/docker-compose.yml
@@ -4,6 +4,8 @@ services:
   db:
     image: postgres
     restart: always
+    environment:
+      - POSTGRES_DATABASE=not_used 
     volumes:
       - db:/var/lib/postgresql/data
     env_file:
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 a2bda83b..b7f9a2c8 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
@@ -4,6 +4,8 @@ services:
   db:
     image: postgres
     restart: always
+    environment:
+      - POSTGRES_DATABASE=not_used 
     volumes:
       - db:/var/lib/postgresql/data
     env_file:
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 9bed1218..9758c2de 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
@@ -4,6 +4,8 @@ services:
   db:
     image: postgres
     restart: always
+    environment:
+      - POSTGRES_DATABASE=not_used
     volumes:
       - db:/var/lib/postgresql/data
     env_file: