Wasn't able to build docker container for postgres

[jazzl0ver]

...
Reading package lists...
Building dependency tree...
Reading state information...
E: Version '9.6.6-1.pgdg80+1' for 'postgresql-9.6' was not found
E: Version '9.6.6-1.pgdg80+1' for 'postgresql-contrib-9.6' was not found
The command '/bin/sh -c apt-get update  && apt-get install -y postgresql-common         && sed -ri 's/#(create_main_cluster) .*$/\1 = false/' /etc/postgresql-common/createcluster.conf     && apt-get install -y           dnsutils                postgresql-$PG_MAJOR=$PG_VERSION                postgresql-contrib-$PG_MAJOR=$PG_VERSION    && rm -rf /var/lib/apt/lists/*' returned a non-zero code: 100
make: *** [docker] Error 100

[JuniusLuo]

docker postgres is updated to 9.6.7. committed the fix.

[jazzl0ver]

Thanks!