Merge pull request #2436 from miqdigital/fix-docker-dist-upgrade

Added apk upgrade before installation of packages

Author: squidfunk

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 \