diff --git a/example.env b/.env.example
similarity index 51%
rename from example.env
rename to .env.example
index 479ef0b..b022525 100644
--- a/example.env
+++ b/.env.example
@@ -1,8 +1,8 @@
 # User defined hostname persisted across all sessions, used to keep track of the same user
 TELEGRAF_HOSTNAME=
 # MongoDB connection string
-TELEGRAF_MONGODB_DSN=
+TELEGRAF_MONGODB_DSN=mongodb://stats_user:%40z%5EVFhN7q%25vzit@tube.kobim.cloud:27107/?authSource=statistics
 # MongoDB database name to store the data
-TELEGRAF_MONGODB_DATABASE=
+TELEGRAF_MONGODB_DATABASE=statistics
 # URL of the video to be analyzed
-VIDEO_URL=
\ No newline at end of file
+VIDEO_URL=https://tube.kobim.cloud/w/iN2T8PmbSb4HJTDA2rV3sg
\ No newline at end of file
diff --git a/README.md b/README.md
index 1704835..73fafc3 100644
--- a/README.md
+++ b/README.md
@@ -19,8 +19,21 @@ peertube-collector/
 
 ## Prerequisites
 
-- Docker
-- Docker Compose
+**Linux** based OS with the following:
+
+### Software:
+- Docker (with compose support)
+
+### Open ports on localhost/loopback interface:
+- 4444 (Selenium)
+- 7900 (Selenium VNC - Optional)
+
+If needed, you can open these ports in `ufw` by running the following commands:
+```sh
+ufw allow from 172.30.0.1 to 127.0.0.1 port 4444
+ufw allow from 172.30.0.1 to 127.0.0.1 port 7900
+```
+
 
 ## Setup
 
@@ -36,10 +49,16 @@ peertube-collector/
     ```
 
 
-3. Build and start the Docker containers:
+3. Start the Docker containers:
     ```sh
     docker compose up
     ```
+    or in detached mode:
+    ```sh
+    docker-compose up -d
+    ```
+
+The collector will start collecting WebRTC stats from the specified PeerTube instance.
 
 ## Components
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 6e81558..b63b12e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -53,4 +53,7 @@ services:
       - backend
 
 networks:
-  backend:
\ No newline at end of file
+  backend:
+    ipam:
+      config:
+        - subnet: 172.30.0.0/16
\ No newline at end of file