change the root user of the docker image

Author: lydiagarms

Dockerfile

@@ -17,6 +17,8 @@ RUN cargo +nightly-2022-06-28 build -p zokrates_cli --release
 FROM ubuntu:24.10
 WORKDIR /app
 
+ENV USERNAME="app"
+
 COPY config/default.js config/default.js
 COPY package.json package-lock.json ./
 COPY --from=builder /app/zoKratesv0.7.12/zokrates_stdlib/stdlib /app/stdlibv7
@@ -37,6 +39,14 @@ ENV ZOKRATES_STDLIB /app/stdlib
 
 RUN npm i
 
+# Change to User defined in base image
+RUN addgroup --gid 10001 $USERNAME && \
+    adduser --gid 10001 --uid 10001 --home /app $USERNAME
+RUN chown -R $USERNAME:$USERNAME /app
+RUN mkdir /npm-cache
+RUN chown -R $USERNAME:$USERNAME /npm-cache
+ENV npm_config_cache=/npm-cache
+
 USER $USERNAME:$USERNAME
 EXPOSE 80
 CMD npm start