diff --git a/README.md b/README.md
index fce1fba00a9ca389e049a02e84bda8f7d41aa188..0a0c28986ab1b35a0f3267be2df7348ca107429a 100644
--- a/README.md
+++ b/README.md
@@ -40,10 +40,22 @@ Firstly, run Docker daemon.
 
 Navigate into the project root directory `pb138-film-database-group-project`.
 
+Create your `.env` file here if you haven't done it yet. Example is in the `.env.example` file.
+
 Then in the root directory run `docker-compose up -d` to build, (re)create, start, and attach to containers for a service (optional flag `-d` runs containers in the background).
 
 When you are finished, run `docker-compose down` to stop and remove containers, networks and images created by `up`.
 
+### Adminer
+With Adminer we can manage our PostgreSQL database.
+
+To login to Adminer in your browser you need to specify:
+* System: `PostgreSQL`
+* Server: `postgres` (docker-compose database service name)
+* Username: same as `DB_USER` in your .env file
+* Password: same as `DB_PASSWORD` in your .env file
+* Database: same as `DB_NAME` in your .env file
+
 ## TODO
 
 More TBA as features are implemented.
diff --git a/docker-compose.yml b/docker-compose.yml
index 8c513cce4dd1263b30022d08a31719173de0de3d..a3c568507ecbf46ba016da700befbefada105898 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -42,6 +42,8 @@ services:
     env_file: .env
     ports:
       - 127.0.0.1:${ADMINER_PORT}:${ADMINER_PORT}
+    networks:
+      - backend-network
     environment:
       ADMINER_DESIGN: nette
     restart: always