dockerfile

@@ -1,17 +1,35 @@
 FROM python:3.11-slim
 
+# Set environment variables
 ENV PYTHONDONTWRITEBYTECODE=1
 ENV PYTHONUNBUFFERED=1
 
+# Set work directory
 WORKDIR /app
 
-COPY requirements.txt .
-RUN pip install --upgrade pip && pip install -r requirements.txt
+# Install dependencies
+COPY requirements.txt /app/
+RUN pip install --upgrade pip && \
+    pip install -r requirements.txt
 
-COPY . .
+# Copy project
+COPY . /app/
 
+# Collect static files
 RUN python manage.py collectstatic --noinput
 
+# Expose port
 EXPOSE 8000
 
-CMD ["gunicorn", "booking_system.wsgi:application", "--bind", "0.0.0.0:8000", "--workers", "3"]
+# Run gunicorn
+CMD ["gunicorn", "booking_system.wsgi:application", "--bind", "0.0.0.0:8000"]
+```
+
+**Optional: Create `.dockerignore`:**
+```
+*.pyc
+__pycache__
+db.sqlite3
+.env
+.git
+venv/