switched from sqlite to postgres

docker-compose.yml

@@ -1,21 +1,30 @@
-version: '3.9'
-
 services:
-  web:
-    build: .
-    command: python manage.py runserver 0.0.0.0:8000
-    ports:
-      - "8000:8000"
-    volumes:
-      - .:/app
-    depends_on:
-      - db
-
   db:
     image: postgres:14
     environment:
-      POSTGRES_DB: testapi
-      POSTGRES_USER: postgres
-      POSTGRES_PASSWORD: postgres
+      POSTGRES_DB: mydb
+      POSTGRES_USER: myuser
+      POSTGRES_PASSWORD: mypass
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
     ports:
       - "5432:5432"
+
+  web:
+    build: .
+    command: python manage.py runserver 0.0.0.0:8000
+    volumes:
+      - .:/app
+    ports:
+      - "8000:8000"
+    depends_on:
+      - db
+    environment:
+      - DB_NAME=mydb
+      - DB_USER=myuser
+      - DB_PASSWORD=mypass
+      - DB_HOST=db
+      - DB_PORT=5432
+
+volumes:
+  postgres_data: