FROM node:{{NODE_VERSION}}-slim

WORKDIR /app

# Copy package files first for better caching
COPY package.json package-lock.json* ./

# Install production dependencies only
RUN npm ci --omit=dev

# Copy application source
COPY . .

# Set environment
ENV NODE_ENV=production
ENV PORT={{PORT}}

{{#if BUILD_COMMAND}}
# Build application
RUN {{BUILD_COMMAND}}
{{/if}}

# Expose port
EXPOSE {{PORT}}

# Start application
CMD ["node", "{{ENTRY_POINT}}"]