# Musechain follower node: your own copy of the chain with a local JSON-RPC.
# Needs only a Robinhood Chain RPC URL (any provider or the public one); the
# rest comes from Musechain's public endpoints (feed + data committee) and from
# Robinhood Chain itself. See README.md.
name: musechain-follower

services:
  rpc:
    image: offchainlabs/nitro-node:v3.11.4-7d5ac27
    restart: unless-stopped
    stop_grace_period: 5m
    user: "1000:1000"
    cap_drop: [ALL]
    security_opt: ["no-new-privileges:true"]
    command:
      - "--validation.wasm.allowed-wasm-module-roots=/home/user/nitro-legacy/machines,/home/user/target/machines"
      - "--conf.file=/config/rpc.json"
      - "--conf.env-prefix=NITRO"
    environment:
      # Robinhood Chain RPC (chain 4663). Public: https://rpc.mainnet.chain.robinhood.com
      # (no archive; fine for a follower). Better: a free key from drpc.org or alchemy.com.
      NITRO_PARENT__CHAIN_CONNECTION_URL: ${PARENT_RPC_URL:-https://rpc.mainnet.chain.robinhood.com}
    volumes:
      - ./rpc.json:/config/rpc.json:ro
      - ./data:/home/user/.arbitrum
    ports:
      - "127.0.0.1:${RPC_PORT:-8547}:8547" # HTTP JSON-RPC
      - "127.0.0.1:${WS_PORT:-8548}:8548" # WebSocket JSON-RPC
    logging:
      driver: json-file
      options: { max-size: "50m", max-file: "5" }