diff --git a/chapter_4/Dockerfile b/chapter_4/Dockerfile
index 0d1fb55..7749871 100644
--- a/chapter_4/Dockerfile
+++ b/chapter_4/Dockerfile
@@ -13,8 +13,12 @@ RUN npm install
 # Copy the rest of the application code
 COPY . .
 
+# Add these 2 lines to make the Prisma Client work
+COPY prisma ./prisma
+RUN npx prisma generate --schema=./prisma/schema.prisma
+
 # Expose the port that the app runs on
 EXPOSE 5003
 
 # Define the command to run your application
-CMD ["node", "./src/server.js"]
\ No newline at end of file
+CMD ["node", "./src/server.js"]