Use opensearch for code and issue search

config/hosts/git/default.nix

@@ -6,6 +6,7 @@
     ./forgejo.nix
     ./networking.nix
     ./nginx.nix
+    ./opensearch.nix
     ./redis.nix
   ];
 }

config/hosts/git/forgejo.nix

@@ -66,6 +66,13 @@
         ADAPTER = "redis";
         HOST = "redis+socket:///run/redis-forgejo/redis.sock";
       };
+      indexer = {
+        ISSUE_INDEXER_TYPE = "elasticsearch";
+        ISSUE_INDEXER_CONN_STR = "http://127.0.0.1:9200";
+        REPO_INDEXER_ENABLED = true;
+        REPO_INDEXER_TYPE = "elasticsearch";
+        REPO_INDEXER_CONN_STR = "http://127.0.0.1:9200";
+      };
     };
   };
 

config/hosts/git/opensearch.nix

@@ -0,0 +1,12 @@
+{ ... }:
+
+{
+  services.opensearch = {
+    enable = true;
+  };
+
+  systemd.services.forgejo = {
+    after = [ "opensearch.service" ];
+    requires = [ "opensearch.service" ];
+  };
+}