chore: initial snapshot of tubco people portal

backend/Dockerfile

@@ -0,0 +1,19 @@
+FROM python:3.11-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+
+WORKDIR /app
+
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends build-essential netcat-openbsd \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN groupadd -g 1000 app && useradd -u 1000 -g app -m app
+
+COPY requirements.txt /tmp/requirements.txt
+RUN pip install --no-cache-dir -r /tmp/requirements.txt
+
+COPY . /app
+RUN chmod +x /app/entrypoint-web.sh /app/entrypoint-worker.sh
+RUN chown -R app:app /app