add dockerfile

Dockerfile

@@ -0,0 +1,19 @@
+FROM python:3.8-slim
+
+ENV TZ Europe/Budapest
+RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
+
+WORKDIR /app
+
+ARG RELEASE_ID
+ENV RELEASE_ID ${RELEASE_ID:-""}
+
+COPY requirements.txt ./
+
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+EXPOSE 8080
+
+ENTRYPOINT ["gunicorn", "-b", "0.0.0.0:8080", "--workers", "1", "--threads", "1", "app:app"]