diff --git a/docker-compose.yml b/docker-compose.yml
index 721fb2d..782b7f6 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -7,4 +7,6 @@ services:
   jupyter:
     build: jupyter
     ports:
-      - "8888:8888"
\ No newline at end of file
+      - "8888:8888"
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
\ No newline at end of file
diff --git a/readme.md b/readme.md
index 3b14e8e..ee486c7 100644
--- a/readme.md
+++ b/readme.md
@@ -30,6 +30,8 @@ Change this part
     build: jupyter
     ports:
       - "8888:8888"
+    extra_hosts:
+      - "host.docker.internal:host-gateway"  
 ```
 
 to this:
@@ -39,8 +41,14 @@ to this:
     build: jupyter
     ports:
       - "8888:8888"
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
     volumes:
       - /path/to/custom/input/files:/home/jovyan/files
 ```
 
-Your files should be located in a known location on your machine (referred to as `/path/to/custom/input/files`). These files will be accessible within your BDE under the path files (for example, `files/my.custom.file`).
\ No newline at end of file
+Your files should be located in a known location on your machine (referred to as `/path/to/custom/input/files`). These files will be accessible within your BDE under the path files (for example, `files/my.custom.file`).
+
+## Connecting to a database on localhost
+
+Use `host.docker.internal` instead of `localhost`.