# Multi-stage Dockerfile for AI Bulk Image Renamer
# Target: Alpine Linux for minimal size (<300MB)

# Build stage
FROM node:18-alpine AS builder

# Install build dependencies
RUN apk add --no-cache \
    python3 \
    make \
    g++ \
    libc6-compat \
    vips-dev

# Enable pnpm
RUN corepack enable pnpm

# Set working directory
WORKDIR /app

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

# Install dependencies
RUN pnpm install --frozen-lockfile

# Copy source code
COPY . .

# Build all packages
RUN pnpm build

# Prune dev dependencies
RUN pnpm prune --prod

# Production stage
FROM node:18-alpine AS production

# Install runtime dependencies
RUN apk add --no-cache \
    vips \
    curl \
    tini \
    dumb-init \
    && addgroup -g 1001 -S nodejs \
    && adduser -S nodeuser -u 1001

# Enable pnpm
RUN corepack enable pnpm

# Set working directory
WORKDIR /app

# Copy package files and node_modules from builder
COPY --from=builder --chown=nodeuser:nodejs /app/package.json ./
COPY --from=builder --chown=nodeuser:nodejs /app/node_modules ./node_modules
COPY --from=builder --chown=nodeuser:nodejs /app/packages ./packages

# Create necessary directories
RUN mkdir -p /app/logs /app/uploads /app/temp \
    && chown -R nodeuser:nodejs /app

# Switch to non-root user
USER nodeuser

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
    CMD curl -f http://localhost:3000/health || exit 1

# Expose port
EXPOSE 3000

# Use tini as PID 1
ENTRYPOINT ["/sbin/tini", "--"]

# Default command (can be overridden)
CMD ["pnpm", "start"]

# Worker stage (for background processing)
FROM production AS worker

# Override default command for worker
CMD ["pnpm", "start:worker"]

# Development stage
FROM node:18-alpine AS development

# Install development dependencies
RUN apk add --no-cache \
    python3 \
    make \
    g++ \
    libc6-compat \
    vips-dev \
    git \
    curl

# Enable pnpm
RUN corepack enable pnpm

# Create user
RUN addgroup -g 1001 -S nodejs \
    && adduser -S nodeuser -u 1001

WORKDIR /app

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

# Install all dependencies (including dev)
RUN pnpm install --frozen-lockfile

# Create necessary directories
RUN mkdir -p /app/logs /app/uploads /app/temp \
    && chown -R nodeuser:nodejs /app

# Switch to non-root user
USER nodeuser

# Expose port
EXPOSE 3000

# Start development server
CMD ["pnpm", "dev"]