# Dockerfile
# Stage 1: Build the application
FROM docker.io/library/node:20-alpine AS builder

WORKDIR /usr/src/app

COPY package*.json ./
COPY tsconfig*.json ./
COPY prisma ./prisma/

RUN npm ci
RUN npx prisma generate

COPY . .

RUN npm run build

# Stage 2: Install production dependencies
FROM docker.io/library/node:20-alpine AS prod-deps

WORKDIR /app

COPY package.json package-lock.json* ./
COPY prisma ./prisma

# Install only production dependencies
# generating prisma client again is often needed if it relies on post-install scripts or binary positioning
RUN npm install --omit=dev
RUN npx prisma generate

# Stage 3: Run the application
FROM gcr.io/distroless/nodejs20-debian12

WORKDIR /app

ENV NODE_ENV=production

# Copy necessary files from build stages
COPY --from=prod-deps /app/node_modules ./node_modules
COPY --from=builder /usr/src/app/dist ./dist
# Copy prisma folder might be needed for migrations or schema references
COPY --from=builder /usr/src/app/prisma ./prisma

CMD ["dist/main.js"]