# Use the official Node.js image as the base image
FROM node:20

WORKDIR /app

# Enable pnpm
RUN corepack enable && corepack prepare pnpm@latest --activate

# Install deps
COPY package.json pnpm-lock.yaml ./
RUN pnpm install --frozen-lockfile

# Copy source
COPY . .

# Ensure env exists (optional safety for containers)
RUN if [ ! -f .env ] && [ -f .env.example ]; then cp .env.example .env; fi
# Required by prisma generate during image build
ARG DATABASE_URL="postgresql://postgres:postgres@localhost:5432/postgres"
ENV DATABASE_URL=$DATABASE_URL

# 2. Add the Prisma Schema specifically before generating
# This ensures the generator has the latest schema
COPY prisma ./prisma/

# 3. Generate Prisma Client 
# We use 'pnpm exec' to ensure we use the local version synced with your node_modules
RUN pnpm exec prisma generate

# Build NestJS
RUN pnpm build

EXPOSE 3000

# Change your CMD to this:
CMD ["node", "dist/src/main.js"]