Dockerfile.dev

# ================================
# Development Dockerfile with Hot Reload
# ================================
FROM node:20-alpine

# Set development environment
ENV NODE_ENV=development

# Install dumb-init for signal handling
RUN apk add --no-cache dumb-init

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

# Set working directory
WORKDIR /app

# Copy package files
COPY --chown=nodejs:nodejs package*.json ./

# Install ALL dependencies (including devDependencies for development)
RUN npm ci --no-audit --no-fund

# Copy application source
COPY --chown=nodejs:nodejs . .

# Switch to non-root user
USER nodejs

# Expose port
EXPOSE 5000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=30s --retries=3 \
    CMD node -e "require('http').get('http://localhost:5000/health', (r) => {if (r.statusCode !== 200) throw new Error('Health check failed')})"

# Use dumb-init
ENTRYPOINT ["dumb-init", "--"]

# Start with nodemon for hot reload
CMD ["npm", "run", "dev"]