diff --git a/core/core/settings.py b/core/core/settings.py
index 31a024f..81f1366 100644
--- a/core/core/settings.py
+++ b/core/core/settings.py
@@ -125,19 +125,12 @@ TEMPLATES = [
     },
 ]
 
-WSGI_APPLICATION = 'core.wsgi.application'
+ASGI_APPLICATION = 'core.asgi.application'
 
 # Database
 # https://docs.djangoproject.com/en/4.2/ref/settings/#databases
 
-if 'test' in sys.argv:
-    DATABASES = {
-        'default': {
-            'ENGINE': 'django.db.backends.sqlite3',
-            'NAME': ':memory:',
-        }
-    }
-else:
+if os.getenv('DB_HOST') is not None:
     DATABASES = {
         'default': {
             'ENGINE': 'django.db.backends.mysql',
@@ -150,6 +143,20 @@ else:
                 'charset': 'utf8mb4',
                 'init_command': "SET sql_mode='STRICT_TRANS_TABLES'"
             }
+        },
+    }
+elif os.getenv('DB_FILE') is not None:
+    DATABASES = {
+        'default': {
+            'ENGINE': 'django.db.backends.sqlite3',
+            'NAME': os.getenv('DB_FILE', 'local.db'),
+        }
+    }
+else:
+    DATABASES = {
+        'default': {
+            'ENGINE': 'django.db.backends.sqlite3',
+            'NAME': ':memory:',
         }
     }
 
diff --git a/deploy/dev/docker-compose.yml b/deploy/dev/docker-compose.yml
index 3dc6fd2..e44c276 100644
--- a/deploy/dev/docker-compose.yml
+++ b/deploy/dev/docker-compose.yml
@@ -6,18 +6,12 @@ services:
     command: bash -c 'python manage.py migrate && python testdata.py && python manage.py runserver 0.0.0.0:8000'
     environment:
       - HTTP_HOST=core
-      - DB_HOST=db
-      - DB_PORT=3306
-      - DB_NAME=system3
-      - DB_USER=system3
-      - DB_PASSWORD=system3
+      - DB_FILE=dev.db
     volumes:
       - ../../core:/code
       - ../testdata.py:/code/testdata.py
     ports:
       - "8000:8000"
-    depends_on:
-      - db
 
   frontend:
     build:
@@ -32,18 +26,3 @@ services:
       - "8080:8080"
     depends_on:
       - core
-
-  db:
-    image: mariadb
-    environment:
-      MARIADB_RANDOM_ROOT_PASSWORD: true
-      MARIADB_DATABASE: system3
-      MARIADB_USER: system3
-      MARIADB_PASSWORD: system3
-    volumes:
-      - mariadb_data:/var/lib/mysql
-    ports:
-      - "3306:3306"
-
-volumes:
-  mariadb_data:
\ No newline at end of file
diff --git a/deploy/testing/docker-compose.yml b/deploy/testing/docker-compose.yml
index 7248f1c..b41dd63 100644
--- a/deploy/testing/docker-compose.yml
+++ b/deploy/testing/docker-compose.yml
@@ -29,6 +29,7 @@ services:
       - DB_NAME=system3
       - DB_USER=system3
       - DB_PASSWORD=system3
+      - MAIL_DOMAIN=mail:1025
     volumes:
       - ../../core:/code
       - ../testdata.py:/code/testdata.py
@@ -37,6 +38,7 @@ services:
     depends_on:
       - db
       - redis
+      - mail
 
   frontend:
     build:
@@ -52,5 +54,19 @@ services:
     depends_on:
       - core
 
+  mail:
+    image: docker.io/axllent/mailpit
+    volumes:
+      - mailpit_data:/data
+    ports:
+      - 8025:8025
+      - 1025:1025
+    environment:
+      MP_MAX_MESSAGES: 5000
+      MP_DATABASE: /data/mailpit.db
+      MP_SMTP_AUTH_ACCEPT_ANY: 1
+      MP_SMTP_AUTH_ALLOW_INSECURE: 1
+
 volumes:
-  mariadb_data:
\ No newline at end of file
+  mariadb_data:
+  mailpit_data: