Dockerfile Generator

# syntax=docker/dockerfile:1
FROM node:22-alpine AS deps
WORKDIR /app
COPY package*.json ./
RUN npm ci

FROM node:22-alpine AS build
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run build

FROM node:22-alpine AS runtime
ENV NODE_ENV=production
WORKDIR /app
COPY package*.json ./
RUN npm ci --omit=dev && npm cache clean --force
COPY --from=build --chown=node:node /app/dist ./dist
USER node
EXPOSE 3000
HEALTHCHECK --interval=30s --timeout=5s --retries=3 CMD wget -qO- http://localhost:3000/health || exit 1
CMD ["node","dist/index.js"]