Dockerfile.backend

# Multi-stage build for production optimization
FROM node:18-alpine AS builder

# Set working directory
WORKDIR /app

# Copy package files
COPY backend/package*.json ./
COPY backend/prisma ./prisma/

# Install dependencies
RUN npm ci --only=production && npm cache clean --force

# Copy source code
COPY backend/src ./src
COPY backend/tsconfig.json ./

# Build the application
RUN npm run build

# Production stage
FROM node:18-alpine AS production

# Create app user for security
RUN addgroup -g 1001 -S nodejs
RUN adduser -S worrybox -u 1001

# Set working directory
WORKDIR /app

# Copy package files and install production dependencies
COPY backend/package*.json ./
RUN npm ci --only=production && npm cache clean --force

# Copy built application and prisma
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/prisma ./prisma

# Copy startup script
COPY scripts/start-backend.sh ./start.sh
RUN chmod +x ./start.sh

# Change ownership to app user
RUN chown -R worrybox:nodejs /app
USER worrybox

# Expose port
EXPOSE 5000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD node dist/healthcheck.js

# Start the application
CMD ["./start.sh"]