replace common exports with reusable shell scripts

.travis.yml

@@ -6,8 +6,8 @@ services:
   - 'docker'
 
 before_install:
-  - source <(curl -s https://raw.githubusercontent.com/aem-design/aemdesign-docker/master/scripts/travis/get_config.sh)
-  - source <(curl -s https://raw.githubusercontent.com/aem-design/aemdesign-docker/master/scripts/travis/get_version.sh)
+  - "source <(curl -sL https://github.com/aem-design/aemdesign-docker/releases/latest/download/get_config.sh)"
+  - "source <(curl -sL https://github.com/aem-design/aemdesign-docker/releases/latest/download/get_version.sh)"
 
 #build and test
 install:

Dockerfile

@@ -1,11 +1,11 @@
-FROM        aemdesign/oracle-jdk:jdk8
+FROM        aemdesign/openjdk:jdk8
 
 MAINTAINER  devops <[email protected]>
 
 LABEL   os="centos 7" \
         container.description="java and ffmpeg" \
         image.source="https://github.com/jrottenberg/ffmpeg/tree/master/docker-images" \
-        version="1.0.0" \
+        version="openjdk8" \
         imagename="java-ffmpeg" \
         test.command=" java -version 2>&1 | grep 'java version' | sed -e 's/.*java version "\(.*\)".*/\1/'" \
         test.command.verify="1.8"