add project structure

Dockerfile

@@ -0,0 +1,22 @@
+FROM python:3.12-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=1 \
+    HOST=0.0.0.0 \
+    PORT=10000 \
+    DATABASE_URL=sqlite:////app/data/app.db
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY app ./app
+COPY tests ./tests
+
+RUN mkdir -p /app/data
+
+EXPOSE 10000
+
+CMD ["sh", "-c", "uvicorn app.main:app --host ${HOST:-0.0.0.0} --port ${PORT:-10000}"]