# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Sharp needs these for native compilation
RUN apk add --no-cache python3 make g++

# Copy package files first for layer caching
COPY package*.json ./

# Install dependencies
RUN npm ci || npm install

# Copy source files
COPY src ./src
COPY public ./public
COPY next.config.ts tsconfig.json postcss.config.mjs components.json ./
COPY eslint.config.mjs ./

# Build the application
RUN npm run build

# Production stage
FROM node:20-alpine AS runner

WORKDIR /app

ENV NODE_ENV=production

# Sharp runtime dependencies
RUN apk add --no-cache vips-dev

# Create non-root user
RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs

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

# Create data directory for zine storage
RUN mkdir -p /app/data/zines && chown -R nextjs:nodejs /app/data

# Set ownership
RUN chown -R nextjs:nodejs /app

USER nextjs

EXPOSE 3000

ENV PORT=3000
ENV HOSTNAME="0.0.0.0"
ENV DATA_DIR=/app/data

CMD ["node", "server.js"]