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

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

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

- name: upload vhost config for root domain
  template:
    src: files/configs/mastodon/vhost-mastodon
    dest: "{{ nginx.volume_folder }}/vhost/{{ mastodon.domain }}"

- name: set up mastodon
  docker_compose:
    project_name: mastodon
    pull: yes
    definition:
      version: '3'
      services:
        db:
          restart: always
          image: postgres:14-alpine
          shm_size: 256mb
          networks:
            - internal_network
          healthcheck:
            test: ['CMD', 'pg_isready', '-U', 'postgres']
          volumes:
            - "{{ mastodon.volume_folder }}/postgres_data:/var/lib/postgresql/data"
          environment:
            - 'POSTGRES_HOST_AUTH_METHOD=trust'

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

        web:
          image: "tootsuite/mastodon:{{ mastodon_version }}"
          restart: always
          env_file: "{{ 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
            - redis
          volumes:
            - "{{ mastodon.volume_folder }}/mastodon_data:/mastodon/public/system"
          environment:
            VIRTUAL_HOST: "{{ mastodon.domain }}"
            VIRTUAL_PORT: "3000"
            VIRTUAL_PATH: "/"
            LETSENCRYPT_HOST: "{{ mastodon.domain }}"
            LETSENCRYPT_EMAIL: "{{ letsencrypt_email }}"

        streaming:
          image: "tootsuite/mastodon:{{ mastodon_version }}"
          restart: always
          env_file: "{{ 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
            - redis
          environment:
            VIRTUAL_HOST: "{{ mastodon.domain }}"
            VIRTUAL_PORT: "4000"
            VIRTUAL_PATH: "/api/v1/streaming"

        sidekiq:
          image: "tootsuite/mastodon:{{ mastodon_version }}"
          restart: always
          env_file: "{{ mastodon.volume_folder }}/env_file"
          command: bundle exec sidekiq -c 32
          environment:
            DB_POOL: 32
          depends_on:
            - db
            - redis
          networks:
            - postfix
            - external_services
            - internal_network
          volumes:
            - "{{ mastodon.volume_folder }}/mastodon_data:/mastodon/public/system"
          healthcheck:
            test: ['CMD-SHELL', "ps aux | grep '[s]idekiq\ 6' || false"]

      networks:
        external_services:
          external: true
        postfix:
          external: true
        internal_network:
          internal: true
  vars:
    mastodon_version: "v4.0.2"