diff --git a/packages/api/Dockerfile b/packages/api/Dockerfile
index 32f54dc..159b7ae 100644
--- a/packages/api/Dockerfile
+++ b/packages/api/Dockerfile
@@ -5,17 +5,13 @@ WORKDIR /app
 # Install poetry
 RUN pip install poetry
 
-# Copy project files
-COPY packages/engine/pyproject.toml packages/engine/ /app/packages/engine/
-COPY packages/api/pyproject.toml packages/api/ /app/packages/api/
+# Copy packages directory structure
+COPY packages /app/packages
 
-# Install dependencies
+# Install dependencies (poetry walks up from api dir to find engine in ../engine)
+WORKDIR /app/packages/api
 RUN poetry install --no-interaction --no-venv-seeding
 
-# Copy source
-COPY packages/engine/src /app/packages/engine/src
-COPY packages/api/src /app/packages/api/src
-
 # Set Python path
 ENV PYTHONPATH=/app/packages/engine/src:/app/packages/api/src