docker-bitcoin-core/docker-compose.yml

version: '2.3'

volumes:
  data:

services:
  bitcoind:
    build: .
    image: fphammerle/bitcoin-core
    container_name: bitcoind
    volumes:
    - type: volume
      source: data
      target: /var/lib/bitcoin
    read_only: yes
    cap_drop: [ALL]
    security_opt: [no-new-privileges]
    cpus: 0.5
    # > Memory cgroup out of memory: Killed process 472277 (bitcoind) total-vm:403272kB, [...]
    mem_limit: 512m
    restart: unless-stopped

# https://docs.docker.com/compose/compose-file/compose-file-v2/