add superuser creation command and update settings for environment variables

Dockerfile

@@ -0,0 +1,18 @@
+FROM python:3.13-slim
+
+WORKDIR /app
+
+
+COPY requirements.txt /app/
+
+# Install dependencies
+RUN pip install --upgrade pip \
+    && pip install -r requirements.txt \
+    && pip install gunicorn
+
+# Copy the rest of the project
+COPY . /app/
+
+EXPOSE 8000
+
+CMD ["python", "manage.py", "runserver", "0.0.0.0:8000"]