updated dockerfile

app/Dockerfile

@@ -1,11 +1,25 @@
+# Use the official Python 3.12 slim image
 FROM python:3.12-slim
+
+# Set the working directory
 WORKDIR /code
+
+# Set environment variable to prevent Python from buffering stdout and stderr
 ENV PYTHONUNBUFFERED=1
+
+# Add Debian repository for additional packages
 RUN echo "deb https://deb.debian.org/debian/ stable main" > /etc/apt/sources.list
 
-COPY requirements.txt /code/app/requirements.txt
+# Install necessary system packages
 RUN apt-get update \
     && apt-get -y install libpq-dev swig vim gcc libssl-dev
+
+# Copy and install Python dependencies
+COPY ./requirements.txt /code/app/requirements.txt
 RUN pip install --no-cache-dir --upgrade -r /code/app/requirements.txt
+
+# Copy the application code
 COPY . /code/app
+
+# Set the default command to run the application
 CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "80"]