import docker data to netdisco repo

docker/netdisco-postgresql/Dockerfile

@@ -0,0 +1,29 @@
+# vim: ft=Dockerfile
+FROM docker.io/postgres:9.6.6-alpine
+
+ARG TAG
+ENV TAG ${TAG:-master}
+
+RUN apk add --no-cache \
+  curl \
+  jq \
+  tar
+
+WORKDIR /var/lib/postgresql/netdisco-sql
+RUN curl -sL "https://api.github.com/repos/netdisco/netdisco/tarball/${TAG}" | \
+  tar --wildcards -zt '*App-Netdisco-DB-*' | xargs -n1 basename | sort -n -t '-' -k4 | \
+  while read file; \
+    do curl -sLO "https://raw.githubusercontent.com/netdisco/netdisco/${TAG}/share/schema_versions/$file"; \
+  done && \
+  curl -sLO "https://raw.githubusercontent.com/netdisco/upstream-sources/master/ieee/oui.sql" && \
+  curl -sLO "https://raw.githubusercontent.com/netdisco/netdisco/master/lib/App/Netdisco/DB.pm"
+
+RUN PGDATA=/var/lib/postgresql/netdisco-pgdata /usr/local/bin/docker-entrypoint.sh postgres --version
+
+COPY netdisco-db-entrypoint.sh /usr/local/bin/
+RUN chmod +x /usr/local/bin/netdisco-db-entrypoint.sh
+
+WORKDIR /
+VOLUME /var/lib/postgresql/data
+ENTRYPOINT ["/usr/local/bin/netdisco-db-entrypoint.sh"]
+CMD ["postgres"]