# syntax=docker/dockerfile:1.7

FROM node:24-alpine AS deps
WORKDIR /app

COPY package*.json ./
RUN --mount=type=cache,target=/root/.npm npm ci

FROM node:24-alpine AS build
WORKDIR /app

COPY --from=deps /app/node_modules ./node_modules
COPY package*.json ./
COPY nest-cli.json tsconfig*.json ./
COPY src ./src
RUN npm run build

FROM node:24-alpine AS prod-deps
WORKDIR /app

ENV NODE_ENV=production

COPY package*.json ./
RUN --mount=type=cache,target=/root/.npm npm ci --omit=dev --ignore-scripts

FROM node:24-alpine AS production
WORKDIR /app

ENV NODE_ENV=production

COPY --from=prod-deps /app/node_modules ./node_modules
COPY --from=build /app/dist ./dist
COPY package*.json ./

USER node

HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 \
  CMD node -e "const http=require('http');const req=http.get('http://127.0.0.1:3000/',res=>process.exit(res.statusCode===200?0:1));req.on('error',()=>process.exit(1));req.setTimeout(4000,()=>{req.destroy();process.exit(1);});"

EXPOSE 3000
CMD ["node", "dist/main.js"]