FROM node:20-alpine
WORKDIR /app
COPY package.json .
RUN npm install --production
COPY server.js .
RUN addgroup -S bridge && adduser -S bridge -G bridge
USER bridge
EXPOSE 3000
HEALTHCHECK --interval=30s --timeout=3s CMD wget -qO- http://localhost:3000/health || exit 1
CMD ["node", "server.js"]