diff --git a/.env b/.env
new file mode 100644
index 0000000..7ef8a90
--- /dev/null
+++ b/.env
@@ -0,0 +1 @@
+groupid=90
diff --git a/docker-compose.yml b/docker-compose.yml
index dc36ca4..dbb74b1 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -7,21 +7,23 @@ services:
       dockerfile: Dockerfile
     networks:
       backend:
-        ipv4_address: 10.5.0.5
+        ipv4_address: 10.${groupid}.0.5
 
   app:
+    env_file:
+     - .env
     build: 
      context: ./src
      dockerfile: Dockerfile
 
     ports:
-      - "8080:8080"
-      - "443:443"
+      - "80${groupid}:8080"
+      - "4${groupid}:443"
     depends_on:
       - db
     networks:
       backend:
-        ipv4_address: 10.5.0.6
+        ipv4_address: 10.${groupid}.0.6
 
 networks:
   
@@ -29,5 +31,5 @@ networks:
     driver: bridge
     ipam:
         config:
-          - subnet: 10.5.0.0/16
+          - subnet: 10.${groupid}.0.0/16
   
diff --git a/src/app/models/database.py b/src/app/models/database.py
index 48b824a..3dd6dc8 100644
--- a/src/app/models/database.py
+++ b/src/app/models/database.py
@@ -1,4 +1,8 @@
 import mysql.connector
+from dotenv import load_dotenv
+import os
+
+groupid = os.getenv("groupid")
 
 """
 Connect the webserver to the database using the python mysql connecter. 
@@ -8,8 +12,8 @@ preconfigured docker container address use the Docker address. The default port
 db = mysql.connector.connect(
     user='root', 
     password='root',
-    host='10.5.0.5',   # Docker address
+    host='10.' + groupid + '.0.5',   # Docker address
     #host='0.0.0.0',    # Local address
     database='db'
 )
-    
\ No newline at end of file
+    
diff --git a/src/app/requirements.txt b/src/app/requirements.txt
index c8ba3f5..1feffef 100644
--- a/src/app/requirements.txt
+++ b/src/app/requirements.txt
@@ -1,2 +1,3 @@
 web.py==0.40
 mysql-connector==2.2.9
+python-dotenv