Add Dockerfile for Python application setup

Author: namitha2526

Dockerfile

@@ -0,0 +1,15 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y build-essential libpq-dev
+
+COPY app/requirements.txt .
+
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY app/ ./app
+
+EXPOSE 8000
+
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]