diff --git a/dockerfile b/dockerfile
index 288bf60..a1a757c 100644
--- a/dockerfile
+++ b/dockerfile
@@ -10,8 +10,12 @@ RUN npm run build
 
 # production environment
 FROM node:12
-COPY --from=builder /app/build ./application
 
-RUN npm install -g serve@6
+RUN printf '\n\n- Copy application files\n'
+RUN printf 'Subfolder: ${PUBLIC_URL}'
+COPY --from=builder /app/build ./application/play-nine
+COPY --from=builder /app/build/index.html ./application/
+
+RUN npm install -g serve@11.3.0
 EXPOSE 80
-CMD ["sh","-c","serve -s application -p 80"]
+CMD ["sh","-c","serve -s application -p 80"]
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