add dockerfile

Dockerfile

@@ -0,0 +1,20 @@
+FROM python:3
+
+ENV PYTHONFAULTHANDLER=1 \
+  PYTHONUNBUFFERED=1 \
+  PYTHONHASHSEED=random \
+  PIP_NO_CACHE_DIR=off \
+  PIP_DISABLE_PIP_VERSION_CHECK=on \
+  PIP_DEFAULT_TIMEOUT=100
+
+RUN pip install poetry
+
+WORKDIR /app
+COPY poetry.lock pyproject.toml /app/
+
+RUN poetry config virtualenvs.create false \
+  && poetry install --no-dev --no-interaction --no-ansi
+
+COPY . /app
+
+CMD python bot.py