Dockerfile-ruby2.2 in fluent-plugin-geoip-1.0.0

- old
+ new

@@ -1,8 +1,8 @@
 FROM ruby:2.2-alpine
 
 ENV BUNDLE_GEMFILE=$BUNDLE_GEMFILE
 
-RUN apk --no-cache --update add build-base automake autoconf libtool ruby-dev libc6-compat geoip-dev git
+RUN apk --no-cache --update add build-base ruby-dev libc6-compat libmaxminddb-dev geoip-dev git
 
 WORKDIR /app
 COPY . .