Troubleshooting docker setup issues

Symptom	Log contains an error that looks similar to: scholarspace-hyrax-pg-hyrax-1 | ERROR: relation "sipity_roles" does not exist at character 566 scholarspace-hyrax-pg-hyrax-1 | STATEMENT: SELECT a.attname, format_type(a.atttypid, a.atttypmod), scholarspace-hyrax-pg-hyrax-1 | pg_get_expr(d.adbin, d.adrelid), a.attnotnull, a.atttypid, a.atttypmod, scholarspace-hyrax-pg-hyrax-1 | c.collname, col_description(a.attrelid, a.attnum) AS comment scholarspace-hyrax-pg-hyrax-1 | FROM pg_attribute a scholarspace-hyrax-pg-hyrax-1 | LEFT JOIN pg_attrdef d ON a.attrelid = d.adrelid AND a.attnum = d.adnum scholarspace-hyrax-pg-hyrax-1 | LEFT JOIN pg_type t ON a.atttypid = t.oid scholarspace-hyrax-pg-hyrax-1 | LEFT JOIN pg_collation c ON a.attcollation = c.oid AND a.attcollation <> t.typcollation scholarspace-hyrax-pg-hyrax-1 | WHERE a.attrelid = '"sipity_roles"'::regclass scholarspace-hyrax-pg-hyrax-1 | AND a.attnum > 0 AND NOT a.attisdropped scholarspace-hyrax-pg-hyrax-1 | ORDER BY a.attnum
Probable root cause	Database migrations have not yet been run.
Recommended solution	Run database migrations (see README)