ansible/roles/docker/tasks/services/mastodon.yml

- name: create mastodon volume folders
  file:
    name: "{{ services.mastodon.volume_folder }}/{{ volume }}"
    state: directory
    owner: "991"
    group: "991"
  loop:
    - "postgres_data"
    - "postgres_config"
    - "redis_data"
    - "mastodon_data"
  loop_control:
    loop_var: volume

- name: Copy mastodon environment file
  template:
    src: mastodon.env.j2
    dest: "{{ services.mastodon.volume_folder }}/env_file"

- name: Upload vhost config for root domain
  copy:
    src: configs/mastodon/vhost-mastodon
    dest: "{{ services.nginx_proxy.volume_folder }}/vhost/{{ services.mastodon.domain }}"

- name: Copy PostgreSQL config
  copy:
    src: configs/mastodon/postgresql.conf
    dest: "{{ services.mastodon.volume_folder }}/postgres_config/postgresql.conf"

- name: Set up Mastodon
  docker_compose:
    project_name: mastodon
    pull: true
    restarted: true
    definition:
      x-sidekiq: &sidekiq
        image: "tootsuite/mastodon:{{ services.mastodon.version }}"
        restart: always
        env_file: "{{ services.mastodon.volume_folder }}/env_file"
        depends_on:
          db:
            condition: "service_healthy"
          redis:
            condition: "service_healthy"
        networks:
          - postfix
          - external_services
          - internal_network
        volumes:
          - "{{ services.mastodon.volume_folder }}/mastodon_data:/mastodon/public/system"
        healthcheck:
          test: ['CMD-SHELL', "ps aux | grep '[s]idekiq\ 6' || false"]

      version: '3'
      services:
        db:
          restart: always
          image: postgres:14-alpine
          shm_size: 256mb
          networks:
            - internal_network
          healthcheck:
            test: ['CMD', 'pg_isready', '-U', 'postgres']
          volumes:
            - "{{ services.mastodon.volume_folder }}/postgres_data:/var/lib/postgresql/data"
            - "{{ services.mastodon.volume_folder }}/postgres_config:/config:ro"
          command: postgres -c config_file=/config/postgresql.conf
          environment:
            - 'POSTGRES_HOST_AUTH_METHOD=trust'

        redis:
          restart: always
          image: redis:6-alpine
          networks:
            - internal_network
          healthcheck:
            test: ['CMD', 'redis-cli', 'ping']
          volumes:
            - "{{ services.mastodon.volume_folder }}/redis_data:/data"

        web:
          image: "tootsuite/mastodon:{{ services.mastodon.version }}"
          restart: always
          env_file: "{{ services.mastodon.volume_folder }}/env_file"
          command: bash -c "rm -f /mastodon/tmp/pids/server.pid; bundle exec rails s -p 3000"
          networks:
            - external_services
            - internal_network
          healthcheck:
            # prettier-ignore
            test: ['CMD-SHELL', 'wget -q --spider --proxy=off localhost:3000/health || exit 1']
          depends_on:
            db:
              condition: "service_healthy"
            redis:
              condition: "service_healthy"
          volumes:
            - "{{ services.mastodon.volume_folder }}/mastodon_data:/mastodon/public/system"
          environment:
            MAX_THREADS: 10
            WEB_CONCURRENCY: 3
            VIRTUAL_HOST: "{{ services.mastodon.domain }}"
            VIRTUAL_PORT: "3000"
            VIRTUAL_PATH: "/"
            LETSENCRYPT_HOST: "{{ services.mastodon.domain }}"
            LETSENCRYPT_EMAIL: "{{ letsencrypt_email }}"

        streaming:
          image: "tootsuite/mastodon:{{ services.mastodon.version }}"
          restart: always
          env_file: "{{ services.mastodon.volume_folder }}/env_file"
          command: node ./streaming
          networks:
            - external_services
            - internal_network
          healthcheck:
            # prettier-ignore
            test: ['CMD-SHELL', 'wget -q --spider --proxy=off localhost:4000/api/v1/streaming/health || exit 1']
          ports:
            - '127.0.0.1:4000:4000'
          depends_on:
            db:
              condition: "service_healthy"
            redis:
              condition: "service_healthy"
          environment:
            DB_POOL: 15
            VIRTUAL_HOST: "{{ services.mastodon.domain }}"
            VIRTUAL_PORT: "4000"
            VIRTUAL_PATH: "/api/v1/streaming"

        # sidekiq-default-push-pull: DB_POOL = 25, -c 25 for 25 connections
        sidekiq-default-push-pull:
          <<: *sidekiq
          command: bundle exec sidekiq -c 25 -q default -q push -q pull
          environment:
            DB_POOL: 25

        # sidekiq-default-pull-push: DB_POOL = 25, -c 25 for 25 connections
        sidekiq-default-pull-push:
          <<: *sidekiq
          command: bundle exec sidekiq -c 25 -q default -q pull -q push
          environment:
            DB_POOL: 25

        # sidekiq-pull-default-push: DB_POOL = 25, -c 25 for 25 connections
        sidekiq-pull-default-push:
          <<: *sidekiq
          command: bundle exec sidekiq -c 25 -q pull -q default -q push
          environment:
            DB_POOL: 25

        # sidekiq-push-default-pull: DB_POOL = 25, -c 25 for 25 connections
        sidekiq-push-default-pull:
          <<: *sidekiq
          command: bundle exec sidekiq -c 25 -q push -q default -q pull
          environment:
            DB_POOL: 25

        # sidekiq-push-scheduler: DB_POOL = 5, -c 5 for 5 connections
        sidekiq-push-scheduler:
          <<: *sidekiq
          command: bundle exec sidekiq -c 5 -q push -q scheduler
          environment:
            DB_POOL: 5

        # sidekiq-push-mailers: DB_POOL = 5, -c 5 for 5 connections
        sidekiq-push-mailers:
          <<: *sidekiq
          command: bundle exec sidekiq -c 5 -q push -q mailers
          environment:
            DB_POOL: 5

        # sidekiq-push-ingress: DB_POOL = 10, -c 10 for 10 connections
        sidekiq-push-ingress:
          <<: *sidekiq
          command: bundle exec sidekiq -c 10 -q push -q ingress
          environment:
            DB_POOL: 10

      networks:
        external_services:
          external: true
        postfix:
          external: true
        internal_network:
          internal: true