services:
  # Build-only: shared base image (toolchain + r0vm) referenced as the
  # `risc0_base` named context below. It has no long-running command, so it
  # only gets built — it exits immediately if started.
  risc0_base:
    image: lez/risc0_base
    build:
      context: ../../..
      dockerfile: lez/docker/risc0-base.Dockerfile

  sequencer_service:
    image: lez/sequencer_service
    build:
      context: ../../..
      dockerfile: lez/sequencer/service/Dockerfile
      additional_contexts:
        risc0_base: "service:risc0_base"
    container_name: sequencer_service
    ports:
      - "3040:3040"
    volumes:
      # Mount configuration file
      - ./configs/docker/sequencer_config.json:/etc/sequencer_service/sequencer_config.json
      # Mount data volume
      - sequencer_data:/var/lib/sequencer_service

volumes:
  sequencer_data: