FROM --platform=linux/amd64 node:20-alpine

# curl for health checks
RUN apk add --no-cache curl

WORKDIR /app


COPY package*.json ./

RUN npm install --production --ignore-scripts

COPY . .

RUN npm run build

RUN addgroup -g 1001 -S nodejs
RUN adduser -S nestjs -u 1001

RUN chown -R nestjs:nodejs /app
USER nestjs

EXPOSE 3000

HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD curl -f http://localhost:3000/health || exit 1

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