FROM node:20-alpine

WORKDIR /app

COPY package*.json ./
RUN npm install

COPY . .

# New Relic agent — configured entirely via environment variables
ENV NEW_RELIC_NO_CONFIG_FILE=true
ENV NEW_RELIC_DISTRIBUTED_TRACING_ENABLED=true
ENV NEW_RELIC_LOG=stdout

EXPOSE 3000

CMD ["npm", "run", "start:dev"]