fix(gitea): serve issue search from postgres instead of reindexing on boot

cron.rebuild_issue_indexer runs at start, so every gitea pod restart reindexed the whole issue index and read ~7MB/s off the rotational disk for an hour.

gitea/k8s/config.yaml

@@ -17,6 +17,12 @@ data:
 
   GITEA__mailer__ENABLED: "false"
 
+  # No code/issue search needed: bleve reindexes the whole issue index on
+  # every pod restart (cron.rebuild_issue_indexer RUN_AT_START) and hammers
+  # the rotational disk for an hour. "db" serves issue search from postgres.
+  GITEA__indexer__ISSUE_INDEXER_TYPE: "db"
+  GITEA__indexer__REPO_INDEXER_ENABLED: "false"
+
   GITEA__log__logger.access.MODE: "console, file"
   USER_UID: "1000"
   USER_GID: "1000"