diff --git a/README.md b/README.md
index 1116f1c..c55e414 100644
--- a/README.md
+++ b/README.md
@@ -138,6 +138,14 @@ As this will only deploy config files, fail2ban already has to be installed or o
 * `gitea_metrics_enabled`: Enable the metrics endpoint
 * `gitea_metrics_token`: Bearer token for the Prometheus scrape job
 
+### Repository Indexer configuration
+
+* `gitea_repo_indexer_enabled`: Whether to enable the repository indexer (code search). Default: `false`
+* `gitea_repo_indexer_include`: Glob patterns to include in the index (comma-separated list). Default: `""` (all files)
+* `gitea_repo_indexer_exclude`: Glob patterns to exclude from the index (comma-separated list). Default: `""` (no files)
+* `gitea_repo_exclude_vendored`: Exclude vendored files from the index. Default: `true`
+* `gitea_repo_indexer_max_file_size`: Maximum size of files to be indexed (in bytes). Default: `1048576` (1 MB)
+
 ## Contributing
 Don't hesitate to create a pull request, and when in doubt you can reach me on
 Twitter [@thomas_maurice](https://twitter.com/thomas_maurice).
diff --git a/defaults/main.yml b/defaults/main.yml
index 6fe1141..9a8c51b 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -71,3 +71,9 @@ gitea_metrics_token: ~
 
 gitea_themes: gitea,arc-green
 gitea_theme_default: gitea
+
+gitea_repo_indexer_enabled: false
+gitea_repo_indexer_include: ""
+gitea_repo_indexer_exclude: ""
+gitea_repo_exclude_vendored: true
+gitea_repo_indexer_max_file_size: 1048576
diff --git a/templates/gitea.ini.j2 b/templates/gitea.ini.j2
index eee69d3..93f19ed 100644
--- a/templates/gitea.ini.j2
+++ b/templates/gitea.ini.j2
@@ -84,8 +84,12 @@ ISSUE_INDEXER_QUEUE_TYPE = levelqueue
 ISSUE_INDEXER_QUEUE_DIR = {{ gitea_home }}/indexers/issues.queue
 
 ; repo indexer by default disabled, since it uses a lot of disk space
-REPO_INDEXER_ENABLED = false
+REPO_INDEXER_ENABLED = {{ gitea_repo_indexer_enabled }}
 REPO_INDEXER_PATH       = {{ gitea_home }}/indexers/repos.bleve
+REPO_INDEXER_INCLUDE = {{ gitea_repo_indexer_include }}
+REPO_INDEXER_EXCLUDE = {{ gitea_repo_indexer_exclude }}
+REPO_INDEXER_EXCLUDE_VENDORED = {{ gitea_repo_exclude_vendored }}
+MAX_FILE_SIZE = {{ gitea_repo_indexer_max_file_size }}
 
 [security]
 ; Whether the installer is disabled