dockerfile

# ── Stage 1: Build ─────────────────────────────────────────────
FROM node:20-alpine AS builder

WORKDIR /app

COPY package.json package-lock.json ./
RUN npm ci

COPY . .

RUN npx prisma generate --schema src/database/prisma/schema.prisma
RUN npm run build

# ── Stage 2: Production ───────────────────────────────────────
FROM node:20-alpine AS production

WORKDIR /app

COPY package.json package-lock.json ./
RUN npm ci --omit=dev && npm cache clean --force

# Prisma generated client (runtime engine + generated types)
COPY --from=builder /app/node_modules/.prisma ./node_modules/.prisma
COPY --from=builder /app/node_modules/@prisma/client ./node_modules/@prisma/client

# Compiled JS output
COPY --from=builder /app/dist ./dist

# Prisma schema (needed at runtime for query engine)
COPY --from=builder /app/src/database/prisma/schema.prisma ./src/database/prisma/schema.prisma

# Static files served by Express
COPY --from=builder /app/public ./public

ENV NODE_ENV=production
EXPOSE 3000

# Run as non-root for security
USER node

CMD ["node", "dist/index.js"]