fix dockerfile

Author: lydiagarms

Dockerfile

@@ -23,6 +23,17 @@ ENV npm_config_cache=/npm-cache
 ENV ZOKRATES_HOME /app
 ENV ZOKRATES_STDLIBv8 /app/stdlibv8
 ENV ZOKRATES_STDLIB /app/stdlib
+
+# Install npm packages as root
+RUN npm i
+
+# Change/Add permission to user $USERNAME
+RUN groupadd --gid 10001 $USERNAME && \
+    useradd --gid 10001 --uid 10001 --home /app --shell /bin/bash $USERNAME && \
+    chown -R $USERNAME:$USERNAME /app /app/output /app/circuits /npm-cache
+# Switch to user $USERNAME from root
+USER $USERNAME:$USERNAME
+
 # Copy app files
 COPY config/default.js config/default.js
 COPY package.json package-lock.json ./
@@ -35,13 +46,6 @@ COPY start-script ./start-script
 COPY start-dev ./start-dev
 RUN mkdir -p /app/output
 RUN mkdir -p /app/circuits
-# Install npm packages as root
-RUN npm i
-# Change/Add permission to user $USERNAME
-RUN groupadd --gid 10001 $USERNAME && \
-    useradd --gid 10001 --uid 10001 --home /app --shell /bin/bash $USERNAME && \
-    chown -R $USERNAME:$USERNAME /app /npm-cache /app
-# Switch to user $USERNAME from root
-USER $USERNAME:$USERNAME
+
 EXPOSE 80
 CMD npm start