docker-compose.yml

version: '3.8'

services:
  # Single-stage build (baseline)
  shiny-single:
    build:
      context: .
      dockerfile: Dockerfile.single-stage
    image: shiny-app:single
    container_name: shiny-single-stage
    ports:
      - "3838:3838"
    restart: unless-stopped
    profiles:
      - single

  # Two-stage build (optimized)
  shiny-two-stage:
    build:
      context: .
      dockerfile: Dockerfile.multistage
    image: shiny-app:two-stage
    container_name: shiny-two-stage
    ports:
      - "3838:3838"
    restart: unless-stopped
    profiles:
      - two-stage

  # Three-stage build (advanced optimization)
  shiny-three-stage:
    build:
      context: .
      dockerfile: Dockerfile.three-stage
    image: shiny-app:three-stage
    container_name: shiny-three-stage
    ports:
      - "3838:3838"
    restart: unless-stopped
    # This is the default service to run

# Usage:
# docker-compose up                          # Runs three-stage version (default)
# docker-compose up shiny-single             # Runs single-stage version
# docker-compose up shiny-two-stage          # Runs two-stage version
# docker-compose up shiny-three-stage        # Runs three-stage version (explicit)
# docker-compose down                        # Stop and remove containers