DB Dump

1. Create a dump

  docker exec -it d6bc4f23a7dc pg_dump -U hillel postgres > dump.sql

2. Copy the dump from docker image:
   1. docker exec -it cat xxx > dump.sql
   2. docker cp d6bc4f23a7dc:dump.sql dump-xx.sql
3. drop tables in db
4. Make sure the dump is in the image:
   1. docker cp dump.sql d6bc4f23a7dc:/tmp/dump.sql
5. Import the dump:
   1. docker exec -it bash
   2. psql -U hillel < dump.sql