# Multi-stage Dockerfile for both frontend and backend
# This is useful for docker-compose or single container deployment

FROM node:18-alpine AS base

# Backend stage
FROM base AS backend-deps
WORKDIR /app/backend
COPY backend/package*.json ./
RUN npm ci

FROM backend-deps AS backend-prisma
COPY backend/prisma ./prisma
RUN npx prisma generate

FROM base AS backend-builder
WORKDIR /app/backend
COPY --from=backend-deps /app/backend/node_modules ./node_modules
COPY --from=backend-prisma /app/backend/node_modules/.prisma ./node_modules/.prisma
COPY backend/tsconfig.json ./
COPY backend/src ./src
COPY backend/prisma ./prisma
RUN npm run build

# Frontend stage
FROM base AS frontend-deps
WORKDIR /app/frontend
COPY frontend/package*.json ./
RUN npm ci

FROM base AS frontend-builder
WORKDIR /app/frontend
COPY --from=frontend-deps /app/frontend/node_modules ./node_modules
COPY frontend/ ./
ARG VITE_APP_URL
ENV VITE_APP_URL=${VITE_APP_URL}
RUN npm run build

# Production runner
FROM base AS runner
WORKDIR /app

# Install nginx for frontend
RUN apk add --no-cache nginx

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

# Copy frontend
COPY --from=frontend-builder /app/frontend/dist /usr/share/nginx/html

# Create nginx config
RUN echo 'server { \
    listen 80; \
    server_name _; \
    root /usr/share/nginx/html; \
    index index.html; \
    \
    location / { \
        try_files $uri $uri/ /index.html; \
    } \
    \
    location /api { \
        proxy_pass http://localhost:5000; \
        proxy_http_version 1.1; \
        proxy_set_header Host $host; \
        proxy_set_header X-Real-IP $remote_addr; \
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; \
        proxy_set_header X-Forwarded-Proto $scheme; \
    } \
}' > /etc/nginx/conf.d/default.conf

# Create startup script
RUN echo '#!/bin/sh\n\
nginx &\n\
cd /app/backend\n\
npx prisma migrate deploy\n\
node dist/index.js\n\
' > /app/start.sh && chmod +x /app/start.sh

EXPOSE 80 5000

CMD ["/app/start.sh"]
