Create initial dockerfile (langchain-ai#165)

Dockerfile

@@ -0,0 +1,15 @@
+FROM python:3.11-buster
+
+RUN pip install poetry==1.5.1
+
+RUN poetry config virtualenvs.create false
+
+COPY ./pyproject.toml ./poetry.lock* ./
+
+RUN poetry install --no-interaction --no-ansi --no-root --no-directory
+
+COPY ./*.py ./
+
+RUN poetry install  --no-interaction --no-ansi
+
+CMD exec uvicorn main:app --reload --port 8080