Dockerfile

# ── Build stage ───────────────────────────────────────────────────────────────
FROM node:20-alpine AS builder

WORKDIR /app

# Install dependencies first (better layer caching)
COPY package.json package-lock.json* ./
RUN npm ci

# Copy source and build
COPY tsconfig.json tsconfig.build.json ./
COPY prisma ./prisma
COPY src ./src

RUN npm run db:generate
RUN npm run build

# ── Production stage ──────────────────────────────────────────────────────────
FROM node:20-alpine AS runner

WORKDIR /app

ENV NODE_ENV=production

# Only install production dependencies
COPY package.json package-lock.json* ./
RUN npm ci --omit=dev

# Copy compiled output and Prisma client
COPY --from=builder /app/dist        ./dist
COPY --from=builder /app/node_modules/.prisma ./node_modules/.prisma
COPY prisma ./prisma

EXPOSE 3001

# Run migrations then start the server
CMD ["sh", "-c", "npx prisma migrate deploy && node dist/app.js"]