perf(dockerfile): use alpine image as base

Piotr Sarzyński · krecik · commit 39814b5c5a87 · 2021-06-01T18:00:44.000+02:00
diff --git a/Dockerfile b/Dockerfile
@@ -1,6 +1,8 @@
-FROM python:3.8-buster
+FROM python:3.8-alpine
 WORKDIR /app
 
+RUN apk upgrade -U
+
 ENV FLASK_APP=api.py
 ENV FLASK_RUN_HOST=0.0.0.0
 ENV FLASK_ENV=production
