diff --git a/Dockerfile b/Dockerfile
index 16219b3..2e9448d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,9 +15,7 @@ WORKDIR /app
 
 RUN groupadd -g 1000 www && useradd -u 1000 -ms /bin/bash -g www www
 COPY --chown=www:www . .
-RUN mkdir /app/src/static && \
-    chown www:www /app/src/static && \
-    apt-get update && \
+RUN apt-get update && \
     apt-get install -y \
      binutils \
      libpq-dev \
@@ -33,11 +31,11 @@ RUN mkdir /app/src/static && \
 
 COPY --chown=www:www . .
 
-RUN mkdir /app/src/static \
-  && chown www:www /app/src/static
+RUN mkdir /app/src/static && \
+    chown www:www /app/src/static
 
-RUN  pip install --no-cache-dir -r $REQUIREMENTS_FILE && \
-  && django-admin compilemessages
+RUN  pip install --no-cache-dir -r $REQUIREMENTS_FILE
+RUN  django-admin compilemessages
 
 ENTRYPOINT ["./entrypoint.sh"]
 
diff --git a/pyproject.toml b/pyproject.toml
index 5874616..643b1cd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -125,7 +125,7 @@ extend-exclude = [
 line-length = 120
 
 [tool.ruff.lint]
-# select = ["ALL"]
+select = ["ALL"]
 ignore = [
     "G004", # Logging statement uses f-string
     "ANN101", # Missing type annotation for `self` in method
diff --git a/src/membership/admin.py b/src/membership/admin.py
index 0f84066..b16e2a1 100644
--- a/src/membership/admin.py
+++ b/src/membership/admin.py
@@ -19,11 +19,7 @@ class MembershipTypeAdmin(admin.ModelAdmin):
 class SubscriptionPeriodAdmin(admin.ModelAdmin):
     """Admin for SubscriptionPeriod model."""
 
-    pass
-
 
 @admin.register(models.WaitingListEntry)
 class WaitingListEntryAdmin(admin.ModelAdmin):
     """Admin for WaitingList model."""
-
-    pass
diff --git a/src/membership/migrations/0006_waitinglistentry_alter_membership_options.py b/src/membership/migrations/0006_waitinglistentry_alter_membership_options.py
index a993b63..9c2d923 100644
--- a/src/membership/migrations/0006_waitinglistentry_alter_membership_options.py
+++ b/src/membership/migrations/0006_waitinglistentry_alter_membership_options.py
@@ -1,4 +1,4 @@
-# Generated by Django 5.0.6 on 2024-07-14 16:22
+# Generated by Django 5.0.7 on 2024-07-20 20:45
 
 from django.db import migrations, models
 
@@ -17,7 +17,7 @@ class Migration(migrations.Migration):
                 ('modified', models.DateTimeField(auto_now=True, verbose_name='modified')),
                 ('created', models.DateTimeField(auto_now_add=True, verbose_name='created')),
                 ('email', models.EmailField(max_length=254)),
-                ('geography', models.CharField(blank=True, null=True, verbose_name='geography')),
+                ('geography', models.CharField(blank=True, default='', verbose_name='geography')),
                 ('comment', models.TextField(blank=True)),
             ],
             options={
diff --git a/src/membership/models.py b/src/membership/models.py
index 69bdd4e..4fec013 100644
--- a/src/membership/models.py
+++ b/src/membership/models.py
@@ -145,7 +145,7 @@ class WaitingListEntry(CreatedModifiedAbstract):
     """People who for some reason could want to be added to a waiting list and invited to join later."""
 
     email = models.EmailField()
-    geography = models.CharField(verbose_name=_("geography"), blank=True, null=True)
+    geography = models.CharField(verbose_name=_("geography"), blank=True, default="")
     comment = models.TextField(blank=True)
 
     def __str__(self) -> str:
diff --git a/src/pytest.ini b/src/pytest.ini
deleted file mode 100644
index 9929fa7..0000000
--- a/src/pytest.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[pytest]
-testpaths = .
-python_files = tests.py test_*.py *_tests.py
-DJANGO_SETTINGS_MODULE = project.settings
-#norecursedirs = dist tmp* .svn .*