docker exec -i FOLDERNAME_postgres_1 psql -U lemmy -c "alter user lemmy with password 'bleh'"
```
### Changing your domain name
If you haven't federated yet, you can change your domain name in the DB. **Warning: do not do this after you've federated, or it will break federation.**
Get into `psql` for your docker:
`docker-compose exec postgres psql -U lemmy`
```
-- Post
update post set ap_id = replace (ap_id, 'old_domain', 'new_domain');
update post set url = replace (url, 'old_domain', 'new_domain');
update post set body = replace (body, 'old_domain', 'new_domain');
update post set thumbnail_url = replace (thumbnail_url, 'old_domain', 'new_domain');
delete from post_aggregates_fast;
insert into post_aggregates_fast select * from post_aggregates_view;
-- Comments
update comment set ap_id = replace (ap_id, 'old_domain', 'new_domain');
update comment set content = replace (content, 'old_domain', 'new_domain');
delete from comment_aggregates_fast;
insert into comment_aggregates_fast select * from comment_aggregates_view;
-- User
update user_ set actor_id = replace (actor_id, 'old_domain', 'new_domain');
update user_ set avatar = replace (avatar, 'old_domain', 'new_domain');
delete from user_fast;
insert into user_fast select * from user_view;
-- Community
update community set actor_id = replace (actor_id, 'old_domain', 'new_domain');
delete from community_aggregates_fast;
insert into community_aggregates_fast select * from community_aggregates_view;
"Lemmy is a <1>link aggregator</1> / reddit alternative, intended to work in the <2>fediverse</2>.<3></3>It's self-hostable, has live-updating comment threads, and is tiny (<4>~80kB</4>). Federation into the ActivityPub network is on the roadmap. <5></5>This is a <6>very early beta version</6>, and a lot of features are currently broken or missing. <7></7>Suggest new features or report bugs <8>here.</8><9></9>Made with <10>Rust</10>, <11>Actix</11>, <12>Inferno</12>, <13>Typescript</13>. <14></14> <15>Thank you to our contributors: </15> dessalines, Nutomic, asonix, zacanger, and iav.",
"not_logged_in":"Not logged in.",
"bio_length_overflow":"User bio cannot exceed 300 characters!",
"logged_in":"Logged in.",
"must_login":"You must <1>log in or register</1> to comment.",
"site_saved":"Site Saved.",
@ -284,5 +285,6 @@
"cake_day_info":"It's {{ creator_name }}'s cake day today!",