{# This template needs to be included in compose.yml, which depend on a postgres database #}

{% if lookup('database', application_id, 'local') %}
{% set _extensions = lookup('service_extensions', 'postgres').get(application_id, []) %}
{% set _libraries = lookup('postgres_libraries', _extensions) %}
  {{ lookup('database', application_id, 'host') }}:
    {{ lookup('container_deploy', replicas=1) | indent(4) }}
    {{ lookup('compose_only', 'container_name', ((application_id | get_entity_name) ~ '-database')) }}
{% if _libraries | length > 0 %}
    {{ lookup('container_image', 'svc-db-postgres', 'postgres', image=(application_id | get_entity_name ~ '-database'), version=lookup('database', application_id, 'version')) }}
    {{ lookup('compose_only', 'pull_policy', 'never') }}
    build:
      context: {{ lookup('database', application_id, 'build_dir') }}
      dockerfile: Dockerfile
{% else %}
    {{ lookup('container_image', 'svc-db-postgres', 'postgres', image=lookup('database', application_id, 'image'), version=lookup('database', application_id, 'version')) }}
{% endif %}
    command:
      - "postgres"
      - "-c"
      - "max_locks_per_transaction={{ POSTGRES_MAX_LOCKS_PER_TRANSACTION }}"
    env_file:
      - {{ lookup('database', application_id, 'env') }}
    {{ lookup('compose_restart') }}
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -h 127.0.0.1 -U {{ lookup('database', application_id, 'username') }}"]
      interval: 2m
      timeout: 5s
      retries: 6
      start_period: 10m
      start_interval: 5s
    volumes:
      - type:   volume
        source: database
        target: /var/lib/postgresql
{% if _extensions | length > 0 %}
      - type:   bind
        source: {{ lookup('database', application_id, 'initdb_dir') }}
        target: /docker-entrypoint-initdb.d
        read_only: true
{% endif %}
    networks:  # nocheck: networks-literal  local sidecar inside consumer stack, default-only attachment
      - default
{% endif %}
{{ "\n" }}