docker-compose.yml

version: '2.4'

services:
    # run 3 agents, TeamCity setup allows it
    teamcity-agent-1:
        restart: always
        build:
            context: ./agent
            dockerfile: ./Dockerfile
        volumes:
            - ./data/teamcity-agent-1/conf:/data/teamcity_agent/conf
        environment:
            AGENT_NAME: teamcity-agent-1
            SERVER_URL: http://teamcity-server:8111/
            DOCKER_IN_DOCKER: start
        privileged: true # for running Docker in Docker
        cpus: 0.15
        mem_limit: 900mb
    teamcity-agent-2:
        restart: always
        build:
            context: ./agent
            dockerfile: ./Dockerfile
        volumes:
            - ./data/teamcity-agent-2/conf:/data/teamcity_agent/conf
        environment:
            AGENT_NAME: teamcity-agent-2
            SERVER_URL: http://teamcity-server:8111/
            DOCKER_IN_DOCKER: start
        privileged: true # for running Docker in Docker
        cpus: 0.15
        mem_limit: 900mb
    teamcity-agent-3:
        restart: always
        build:
            context: ./agent
            dockerfile: ./Dockerfile
        volumes:
            - ./data/teamcity-agent-3/conf:/data/teamcity_agent/conf
        environment:
            AGENT_NAME: teamcity-agent-3
            SERVER_URL: http://teamcity-server:8111/
            DOCKER_IN_DOCKER: start
        privileged: true # for running Docker in Docker
        cpus: 0.15
        mem_limit: 900mb
    # also run the server
    teamcity-server:
        restart: always
        image: jetbrains/teamcity-server
        volumes:
            - ./data/teamcity-server/data:/data/teamcity_server/datadir
            - ./data/teamcity-server/logs:/opt/teamcity/logs
        ports:
            - 80:8111
        privileged: true
        cpus: 0.4
        mem_limit: 1gb
    # and for some of the modules, postgresql is required
    postgres:
        restart: always
        image: postgres:10
        volumes:
            - ./data/postgres:/var/lib/postgresql/data
        expose:
            - 5432
        environment:
            POSTGRES_USER: postgres
            POSTGRES_PASSWORD: postgres
        cpus: 0.1
        mem_limit: 200mb

networks:
  default:
    external:
      name: teamcity