diff --git a/api/Dockerfile b/api/Dockerfile
index f9c575b..3be8795 100644
--- a/api/Dockerfile
+++ b/api/Dockerfile
@@ -12,8 +12,10 @@ WORKDIR /app
 COPY api/requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# App code + the schema contract (single source of truth in docs/schemas).
+# App code, the role prompts (§16 — prompts are source code), and the schema
+# contract (single source of truth in docs/schemas).
 COPY api/app ./app
+COPY api/prompts ./prompts
 COPY docs/schemas ./schemas
 
 # Run as non-root.
diff --git a/docker-compose.yml b/docker-compose.yml
index 56d63d7..51e913b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -14,9 +14,11 @@ services:
         required: false
     environment:
       PORT: 8000
-    # Mount source + schemas so edits are live without a rebuild.
+    # Mount source + prompts + schemas so edits are live without a rebuild.
+    # Prompts are source code (§16) — editing a prompt should reload like code.
     volumes:
       - ./api/app:/app/app:ro
+      - ./api/prompts:/app/prompts:ro
       - ./docs/schemas:/app/schemas:ro
     command: >
       uvicorn app.main:app --host 0.0.0.0 --port 8000 --reload