feat: add Dockerfile for backend and frontend services with necessary configurations

backend/Dockerfile

@@ -0,0 +1,22 @@
+# syntax=docker/dockerfile:1
+FROM python:3.11-slim AS base
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=1
+
+WORKDIR /app
+
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends build-essential libpq-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY backend/requirements/base.txt ./backend/requirements/base.txt
+RUN pip install --upgrade pip \
+    && pip install -r backend/requirements/base.txt
+
+COPY backend ./backend
+
+EXPOSE 8000
+
+CMD ["uvicorn", "backend.app.main:app", "--host", "0.0.0.0", "--port", "8000"]