FROM node:alpine
WORKDIR /app

RUN echo "www-data:x:33:33:www-data:/app:/usr/sbin/nologin" >> /etc/passwd; echo "www-data:x:33:" >> /etc/group
RUN chown www-data:www-data . -R

COPY . /app/
RUN npm install

USER www-data

EXPOSE 15602
ENTRYPOINT [ "node", "index.js" ]