docker-compose-files/mongo_cluster/docker-compose.yml

# This will boot 4 containers: 3 mongo as a cluster, and 1 to issue mongo commands to others
#
version: "2.2"
services:
  mongo3:
    image: mongo:3.2
    restart: always
    entrypoint: [ "/usr/bin/mongod", "--replSet", "rs", "--rest", "--httpinterface" ]

  mongo2:
    image: mongo:3.2
    restart: always
    entrypoint: [ "/usr/bin/mongod", "--replSet", "rs", "--rest", "--httpinterface" ]

  mongo1:
    image: mongo:3.0
    restart: always
    entrypoint: [ "/usr/bin/mongod", "--replSet", "rs", "--rest", "--httpinterface" ]

  mongosetup:
    image: mongo:3.0
    volumes:
      - ./scripts:/scripts
    restart: always
    entrypoint: [ "bash", "/scripts/mongosetup.sh" ]