# Multi-stage Dockerfile for Market Data Service API
# Stage 1: Dependencies installation (for development)
FROM node:18-alpine AS dependencies

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install all dependencies (including dev dependencies for build tools)
RUN npm ci

# Copy application code and scripts (needed for development)
COPY . .

# Create logs directory
RUN mkdir -p logs

# Copy entrypoint and wait scripts
COPY docker/entrypoint.sh /usr/local/bin/entrypoint.sh
COPY docker/wait-for-db.sh /usr/local/bin/wait-for-db.sh
RUN chmod +x /usr/local/bin/entrypoint.sh /usr/local/bin/wait-for-db.sh

# Install PostgreSQL client for wait script (pg_isready)
RUN apk add --no-cache postgresql-client

# Expose port
EXPOSE 3000

# Default command (can be overridden in docker-compose)
CMD ["npm", "start"]

# Stage 2: Production build
FROM node:18-alpine AS production

WORKDIR /app

# Copy package files
COPY package*.json ./

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

# Copy application code
COPY . .

# Create logs directory
RUN mkdir -p logs

# Copy entrypoint script
COPY docker/entrypoint.sh /usr/local/bin/entrypoint.sh
COPY docker/wait-for-db.sh /usr/local/bin/wait-for-db.sh
RUN chmod +x /usr/local/bin/entrypoint.sh /usr/local/bin/wait-for-db.sh

# Install PostgreSQL client for wait script
RUN apk add --no-cache postgresql-client

# Set non-root user for security
RUN addgroup -g 1001 -S nodejs && \
    adduser -S nodejs -u 1001 && \
    chown -R nodejs:nodejs /app

USER nodejs

# Expose port
EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
  CMD node -e "require('http').get('http://localhost:3000/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"

# Use entrypoint script
ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]

# Default command
CMD ["npm", "start"]