# Stage 1: Build
FROM node:20-alpine AS builder

WORKDIR /app

# Install pnpm
RUN npm install -g pnpm@9

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

# Build the application
COPY . .
RUN pnpm build

# Stage 2: Production
FROM nginx:alpine AS production

# Copy custom nginx config
COPY nginx.conf /etc/nginx/conf.d/default.conf

# Copy built assets from builder
COPY --from=builder /app/.next/static /usr/share/nginx/html/_next/static
COPY --from=builder /app/out /usr/share/nginx/html

# Expose port (internal only, no SSL)
EXPOSE 80

# Health check
HEALTHCHECK --interval=30s --timeout=3s \
  CMD wget -qO- http://localhost:80/ || exit 1