# ============================================
# Development Stage
# ============================================
FROM node:18-alpine AS development

WORKDIR /app

# Install dependencies for native modules
RUN apk add --no-cache python3 make g++

# Copy package files
COPY package*.json ./

# Install all dependencies (including devDependencies)
RUN npm ci

# Copy source code
COPY . .

# Expose port
EXPOSE 3000

# Start in development mode
CMD ["npm", "run", "start:dev"]

# ============================================
# Build Stage
# ============================================
FROM node:18-alpine AS build

WORKDIR /app

# Install dependencies for native modules
RUN apk add --no-cache python3 make g++

# Copy package files
COPY package*.json ./

# Install all dependencies
RUN npm ci

# Copy source code
COPY . .

# Build the application
RUN npm run build

# Prune dev dependencies
RUN npm prune --production

# ============================================
# Production Stage
# ============================================
FROM node:18-alpine AS production

WORKDIR /app

# Create non-root user for security
RUN addgroup -g 1001 -S nodejs && \
    adduser -S nestjs -u 1001

# Copy built application from build stage
COPY --from=build --chown=nestjs:nodejs /app/dist ./dist
COPY --from=build --chown=nestjs:nodejs /app/node_modules ./node_modules
COPY --from=build --chown=nestjs:nodejs /app/package*.json ./
COPY --from=build --chown=nestjs:nodejs /app/scripts ./scripts

# Set environment variables
ENV NODE_ENV=production
ENV PORT=3000

# Switch to non-root user
USER nestjs

# Expose port
EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD node -e "require('http').get('http://localhost:3000/health', (r) => process.exit(r.statusCode === 200 ? 0 : 1))"

# Start the application with migrations
CMD ["sh", "-c", "node scripts/run-migrations.js && node dist/main.js"]