Added apk upgrade before installation of packages

ntantri · ntantri · commit 2ef1e1239e3f · 2021-03-13T20:22:56.000+05:30
diff --git a/Dockerfile b/Dockerfile
@@ -40,6 +40,7 @@ COPY setup.py setup.py
 
 # Perform build and cleanup artifacts and caches
 RUN \
+  apk upgrade -U -a \
   apk add --no-cache \
     git \
     git-fast-import \
