Dockerfile_postgres_9_6: Plese use this configuration for development purposes. Please refer to the top level README for setup instructions.
Dockerfile_postgres_9_6_Jenkins: This configuration is used by the Jenkins builds (https://builds.apache.org/job/madlib-master-build and https://builds.apache.org/job/madlib-pr-build).
Dockerfile_centos_7_postgres_9.6 : Used for automated testing on centos 7 with postgres 9.6.
Dockerfile_centos_7_postgres_10 : Used for automated testing on centos 7 with postgres 10.
Dockerfile_centos_5_gpdb_4_3_10: This is work in progress, does not work at the moment.