# Backend Dockerfile
FROM node:18-alpine AS base

# Install dependencies only when needed
FROM base AS deps
WORKDIR /app/backend

# Copy package files
COPY package*.json ./
RUN npm ci

# Generate Prisma Client
FROM deps AS prisma
COPY prisma ./prisma
RUN npx prisma generate

# Build the application
FROM base AS builder
WORKDIR /app/backend

COPY --from=deps /app/backend/node_modules ./node_modules
COPY --from=prisma /app/backend/node_modules/.prisma ./node_modules/.prisma
COPY package*.json ./
COPY tsconfig.json ./
COPY src ./src
COPY prisma ./prisma

RUN npm run build

# Production image
FROM base AS runner
WORKDIR /app/backend

ENV NODE_ENV=production

# Create non-root user
RUN addgroup --system --gid 1001 nodejs && \
    adduser --system --uid 1001 nodejs

# Copy necessary files
COPY --from=builder /app/backend/dist ./dist
COPY --from=builder /app/backend/node_modules ./node_modules
COPY --from=builder /app/backend/package*.json ./
COPY --from=builder /app/backend/prisma ./prisma

# Change ownership
RUN chown -R nodejs:nodejs /app/backend

USER nodejs

EXPOSE 5000

ENV PORT=5000

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