Enhancement: Upgrading from goaccess 1.3 to 1.4 (#6)

- GeoLite download strategy has changed
- Incorporate docker hub build hook for dynamic variable replacement
- Add .gitattributes to avoid issues w/ editing on Windows systems

.gitattributes

@@ -0,0 +1 @@
+build text eol=lf 

Dockerfile

@@ -2,11 +2,13 @@ FROM gregyankovoy/alpine-base
 
 ARG build_deps="build-base ncurses-dev autoconf automake git gettext-dev libmaxminddb-dev"
 ARG runtime_deps="nginx tini ncurses libintl libmaxminddb"
+ARG geolite_city_link="to be replaced by build agent"
+ARG geolite_version="to be replaced by build agent"
 
 WORKDIR /goaccess
 
 # Build goaccess with mmdb geoip
-RUN wget -q -O - https://github.com/allinurl/goaccess/archive/v1.3.tar.gz | tar --strip 1 -xzf - && \
+RUN wget -q -O - https://github.com/allinurl/goaccess/archive/v1.4.tar.gz | tar --strip 1 -xzf - && \
     apk add --update --no-cache ${build_deps} && \
     autoreconf -fiv && \
     ./configure --enable-utf8 --enable-geoip=mmdb && \
@@ -18,7 +20,7 @@ RUN wget -q -O - https://github.com/allinurl/goaccess/archive/v1.3.tar.gz | tar
 # Get necessary runtime dependencies and set up configuration
 RUN apk add --update --no-cache ${runtime_deps} && \
     mkdir -p /usr/local/share/GeoIP && \
-    wget -q -O- http://geolite.maxmind.com/download/geoip/database/GeoLite2-City.mmdb.gz | gunzip > /usr/local/share/GeoIP/GeoLite2-City.mmdb
+    wget -q -O- ${geolite_city_link} | tar -xz --strip 1 --directory /usr/local/share/GeoIP
 
 COPY /root /
 

hooks/build

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+docker build --build-arg geolite_city_link=$geolite_city_link --build-arg geolite_version=$geolite_version -f $DOCKERFILE_PATH -t $IMAGE_NAME .