# Stage 1: Build
FROM node:18-alpine AS builder

WORKDIR /app

# Build arguments - MUST be before COPY to be available during build
ARG NEXT_PUBLIC_API_URL
ENV NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL}

# Copy package file
COPY package.json package-lock.json ./

# Install ALL dependencies (including dev dependencies for build)
RUN npm ci

# Copy source code
COPY . .

# Build the app
RUN npm run build

# Stage 2: Run
FROM node:18-alpine AS runner

WORKDIR /app

# Set to production
ENV NODE_ENV=production

# Runtime environment variable
ARG NEXT_PUBLIC_API_URL
ENV NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL}

# Copy necessary files
COPY --from=builder /app/public ./public
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static

# Create cache directory with wide-open permissions
RUN mkdir -p .next/cache/images && \
    chmod -R 777 .next/cache

# Expose port
EXPOSE 3000

ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

# Start the app (running as root to avoid permission issues)
CMD ["node", "server.js"]