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

WORKDIR /app

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

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

# Copy source code
COPY . .

# Build arguments
ARG NEXT_PUBLIC_API_URL
ENV NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL}

# 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

# Create nextjs user and group
RUN addgroup --system --gid 1001 nodejs && \
    adduser --system --uid 1001 nextjs

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

# Create cache directory and set permissions
RUN mkdir -p .next/cache/images && \
    chown -R nextjs:nodejs .next

# Ensure the entire app directory has proper permissions
RUN chown -R nextjs:nodejs /app

# Switch to non-root user
USER nextjs

# Expose port
EXPOSE 3000

ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

# Start the app
CMD ["node", "server.js"]