# Use Node.js base image
FROM node:18-alpine

WORKDIR /app

# Copy package files
COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* ./

# Install dependencies
RUN \
  if [ -f yarn.lock ]; then yarn install --frozen-lockfile; \
  elif [ -f package-lock.json ]; then npm ci; \
  elif [ -f pnpm-lock.yaml ]; then corepack enable pnpm && pnpm install --frozen-lockfile; \
  else npm install; \
  fi

# Copy source code
COPY . .

# Build the app
RUN npm run build

# Expose port 3000 (Next.js default port)
EXPOSE 3000

# Start Next.js production server
CMD ["npm", "start"]