Dockerfile

FROM node:18-alpine AS builder

# Install build dependencies
RUN apk add --no-cache python3 make g++

WORKDIR /app

# Copy package files
COPY package*.json ./
COPY tsconfig.json ./

# Install dependencies
RUN npm ci

# Copy source code
COPY src ./src

# Build application
RUN npm run build

# Production stage
FROM node:18-alpine

RUN apk add --no-cache curl

WORKDIR /app

# Copy package files
COPY package*.json ./

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

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

# Create directories
RUN mkdir -p data logs

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

# Change ownership
RUN chown -R nodejs:nodejs /app

USER nodejs

EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD curl -f http://localhost:3000/api/health || exit 1

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