Dockerfile

FROM node:20-alpine AS base

# Frontend build
FROM base AS frontend-deps
RUN apk add --no-cache libc6-compat
WORKDIR /app
COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* ./
RUN \
  if [ -f yarn.lock ]; then \
    echo "Installing dependencies with yarn..." && \
    yarn --frozen-lockfile || exit 1; \
  elif [ -f package-lock.json ]; then \
    echo "Installing dependencies with npm..." && \
    npm ci || exit 1; \
  elif [ -f pnpm-lock.yaml ]; then \
    echo "Installing dependencies with pnpm..." && \
    yarn global add pnpm && pnpm i --frozen-lockfile || exit 1; \
  else \
    echo "No lockfile found. Please provide either yarn.lock, package-lock.json, or pnpm-lock.yaml" && \
    exit 1; \
  fi

FROM base AS frontend-builder
WORKDIR /app
COPY --from=frontend-deps /app/node_modules ./node_modules
COPY . .
RUN npm run build

# Backend build
FROM python:3.9-slim AS backend
WORKDIR /backend
COPY backend/requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
COPY backend .

# Final image
FROM python:3.9-slim AS runner
WORKDIR /app

ENV NODE_ENV production

# Install Node.js and wget
RUN apt-get update && apt-get install -y curl wget && \
    curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \
    apt-get install -y nodejs && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

RUN addgroup --system --gid 1001 nodejs && \
    adduser --system --uid 1001 nextjs

COPY --from=frontend-builder /app/public ./frontend/public
COPY --from=frontend-builder --chown=nextjs:nodejs /app/.next/standalone ./frontend
COPY --from=frontend-builder --chown=nextjs:nodejs /app/.next/static ./frontend/.next/static
COPY --from=frontend-builder --chown=nextjs:nodejs /app/.next/cache ./frontend/.next/cache

COPY --from=backend /backend ./backend
COPY --from=backend /usr/local/lib/python3.9/site-packages /usr/local/lib/python3.9/site-packages

COPY start.sh .
RUN chmod +x start.sh

EXPOSE 3000 8000

CMD ["./start.sh"]