Cannot get past bootstrapping

Here’s the errors I found in the install output, none look like show stoppers:

690:M 30 Apr 2025 22:05:22.859 # Warning: Could not create server TCP listening socket *:6379: bind: Address already in use
690:M 30 Apr 2025 22:05:22.859 # Failed listening on port 6379 (TCP), aborting.
109:M 30 Apr 2025 21:59:42.411 # WARNING Memory overcommit must be enabled! Without it, a background save or replication may fail under low memory condition...
2025-04-30 21:59:41.125 UTC [60] postgres@postgres ERROR:  database "discourse" already exists
2025-04-30 21:59:41.274 UTC [63] postgres@discourse ERROR:  role "discourse" already exists
WARN: Unresolved or ambiguous specs during Gem::Specification.reset:
      stringio (>= 0)
      Available/installed versions of this gem:
      - 3.1.7
      - 3.1.5
      - 3.1.1
WARN: Clearing out unresolved specs. Try 'gem cleanup <gem>'
Please report a bug if this causes problems.
The setting 'staticAddonTrees' will default to true in the next version of Embroider and can't be turned off. To prepare for this you should set 'staticAddonTrees: true' in your Embroider config.
The setting 'staticAddonTestSupportTrees' will default to true in the next version of Embroider and can't be turned off. To prepare for this you should set 'staticAddonTestSupportTrees: true' in your Embroider config.
Node.js heap_size_limit is less than 2048MB. Setting --max-old-space-size=2048 and CHEAP_SOURCE_MAPS=1
-e DISCOURSE_SMTP_DOMAIN=discourse.example.com
[BABEL] Note: The code generator has deoptimised the styling of /var/www/discourse/app/assets/javascripts/discourse/ember/ember-template-compiler.js as it exceeds the max of 500KB.
[BABEL] Note: The code generator has deoptimised the styling of /var/www/discourse/app/assets/javascripts/discourse/ember/ember.js as it exceeds the max of 500KB.