diff --git a/docker-compose.yml b/docker-compose.yml
index f03e50a..4dc48a0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -38,6 +38,7 @@ services:
     volumes:
       - .:/app
       - backend-gradle-project:/app/.gradle
+      - backend-build:/app/backend/build
       - gradle-cache:/root/.gradle
 
   frontend:
@@ -58,3 +59,4 @@ volumes:
   pgdata:
   gradle-cache:
   backend-gradle-project:
+  backend-build:
diff --git a/opencode.json b/opencode.json
index 75e22df..1ce1561 100644
--- a/opencode.json
+++ b/opencode.json
@@ -1,6 +1,8 @@
 {
   "$schema": "https://opencode.ai/config.json",
   "instructions": ["CODING_GUIDELINES.md", "REQUIREMENTS.md"],
+  "lsp": true,
+  "formatter": true,
   "permission": {
     "edit": "ask",
     "bash": "ask"
@@ -8,5 +10,12 @@
   "tools": {
     "websearch": true,
     "codesearch": true
+  },
+  "compaction": {
+    "auto": true,
+    "prune": true
+  },
+  "watcher": {
+    "ignore": ["node_modules/**", ".git/**", "dist/**", "build/**", "**/target/**"]
   }
 }