update dockerfile

Dockerfile

@@ -17,14 +17,14 @@ RUN cd server; pip install -r requirements/base.txt
 RUN cd frontend; npm install
 
 # Build and copy files
-RUN cd frontend; \
-    npm run build; \
-    rm -fr ../server/server/templates ../server/server/static; \
-    mkdir ../server/server/templates ../server/server/static; \
-    cp dist/index.html ../server/server/templates/; \
-    cp dist/static/* ../server/server/static/; \
-    cp dist/favicon.ico ../server/server/static/; \
-    rm -fr dist
+RUN cd frontend && \
+    rm -fr dist && \
+    npm run build && \
+    rm -fr ../server/server/templates ../server/server/static && \
+    mkdir ../server/server/templates ../server/server/static && \
+    cp dist/index.html ../server/server/templates/ && \
+    cp dist/static/* ../server/server/static/ && \
+    cp dist/favicon.ico ../server/server/static/
 
 RUN bash -c "adduser --disabled-login --quiet --gecos app app &&  \
              chmod -R o+r /app/ && \