Merge pull request #8 from cicirello/development

Switched base Docker image to cicirello/alpine-plus-plus

Dockerfile

@@ -1,26 +1,4 @@
-FROM alpine:3.10
-
-# We need git to check commit dates 
-# when generating lastmod dates for
-# the sitemap.xml.
-RUN apk update
-RUN apk add git
-
-# The base alpine find command is quite 
-# limited. We need full featured find.
-RUN apk add findutils
-
-# We also need coreutils to get fuller
-# featured versions of shell commands, 
-# such as sort.
-RUN apk add coreutils
-
-# We also need gawk
-RUN apk add gawk
-
-# Let's use bash
-RUN apk add bash bash-doc bash-completion
-
+FROM cicirello/alpine-plus-plus:latest
 COPY LICENSE README.md /
 COPY entrypoint.sh /entrypoint.sh
 ENTRYPOINT ["/entrypoint.sh"]