diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
index b2bf280..8933119 100644
--- a/.github/workflows/pr.yaml
+++ b/.github/workflows/pr.yaml
@@ -29,25 +29,6 @@ jobs:
         run: |
           task --yes api:test
 
-  coding-standards-yaml:
-    name: Coding standards YAML
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      # https://taskfile.dev/installation/#github-actions
-      - uses: arduino/setup-task@v2
-
-      - run: |
-          docker network create frontend
-
-      - name: Check YAML coding standards
-        run: |
-          task --yes coding-standards:yaml:check
-
-      - name: Check that nothing has changed
-        run: git diff --exit-code
-
   code-analysis-phpstan:
     runs-on: ubuntu-latest
     name: PHPStan static analysis
diff --git a/.github/workflows/yaml.yaml b/.github/workflows/yaml.yaml
new file mode 100644
index 0000000..89a2ad3
--- /dev/null
+++ b/.github/workflows/yaml.yaml
@@ -0,0 +1,33 @@
+# Do not edit this file! Make a pull request on changing
+# github/workflows/symfony/yaml.yaml in
+# https://github.com/itk-dev/devops_itkdev-docker if need be.
+
+### ### Symfony YAML
+###
+### Validates Symfony YAML files.
+###
+### #### Assumptions
+###
+### 1. A docker compose service named `prettier` for running
+###    [Prettier](https://prettier.io/) exists.
+
+name: YAML
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+      - develop
+
+jobs:
+  yaml-lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - run: |
+          docker network create frontend
+
+      - run: |
+          docker compose run --rm prettier '.github/workflows/*.{yml,yaml}' 'config/**/*.{yml,yaml}' --check
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 34ac90b..ee9f165 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,8 @@ See [keep a changelog] for information about writing changes to this log.
 
 ## [Unreleased]
 
+- [PR-21](https://github.com/itk-dev/event-database-api/pull/21)
+  Linted YAML
 - [PR-18](https://github.com/itk-dev/event-database-api/pull/18)
   - Updated docker compose setup
   - Added simple API tests and resolved some deprecations
diff --git a/Taskfile.yml b/Taskfile.yml
index 9ea978e..9646ba6 100644
--- a/Taskfile.yml
+++ b/Taskfile.yml
@@ -10,7 +10,7 @@ vars:
   DOCKER_COMPOSE: '{{.TASK_DOCKER_COMPOSE | default "docker compose"}}'
 
   # We're not yet ready to normalize config files …
-  YAML_FILES_GLOB: "Taskfile.yml .github/workflows/**.{yml,yaml} phpstan.dist.neon"
+  YAML_FILES_GLOB: "'.github/workflows/*.{yml,yaml}' 'config/**/*.{yml,yaml}' Taskfile.yml phpstan.dist.neon"
 
 tasks:
   site:update:
diff --git a/config/packages/api_platform.yaml b/config/packages/api_platform.yaml
index 44441f1..29f82bf 100644
--- a/config/packages/api_platform.yaml
+++ b/config/packages/api_platform.yaml
@@ -1,58 +1,58 @@
 api_platform:
-    title: '%env(OPENAPI_TITLE)%'
-    description: '%env(OPENAPI_DESCRIPTION)%'
-    version: 2.0.0
-    show_webby: false
-
-    openapi:
-        contact:
-            name: '%env(OPENAPI_CONTACT_NAME)%'
-            url: '%env(OPENAPI_CONTACT_URL)%'
-            email: '%env(OPENAPI_CONTACT_EMAIL)%'
-        termsOfService: '%env(OPENAPI_TERMS_OF_SERVICE)%'
-
-    formats:
-        jsonld: ['application/ld+json']
-
-    docs_formats:
-        jsonld: ['application/ld+json']
-        jsonopenapi: ['application/vnd.openapi+json']
-        html: ['text/html']
-
-    mapping:
-        paths:
-            - '%kernel.project_dir%/src/Api/Dto'
-
-    doctrine:
-        enabled: false
-
-    swagger:
-        api_keys:
-            ApiKeyAuth:
-                name: 'X-Api-Key'
-                type: header
-
-    elasticsearch:
-        hosts: ['%env(INDEX_URL)%']
-
-    defaults:
-        stateless: true
-        pagination_items_per_page: '%env(int:PAGINATION_ITEMS_PER_PAGE)%'
-        pagination_maximum_items_per_page: '%env(int:PAGINATION_MAXIMUM_ITEMS_PER_PAGE)%'
-        cache_headers:
-            max_age: 3600
-            shared_max_age: 3600
-            vary: ['Content-Type', 'Authorization', 'Origin']
-        extra_properties:
-            # Note: The api-platform/core 3.4 recipe sets `standard_put` eventhough
-            # https://api-platform.com/docs/core/upgrade-guide/#api-platform-34
-            # (probably) tells us to remove it
-            # standard_put: true
-            # https://api-platform.com/docs/core/upgrade-guide/#api-platform-34
-            rfc_7807_compliant_errors: true
-    # Note: The api-platform/core 3.4 recipe wants `use_symfony_listeners` to be true
-    use_symfony_listeners: false
-
-    # https://api-platform.com/docs/core/upgrade-guide/#upgrade-guide
-    serializer:
-        hydra_prefix: true
+  title: "%env(OPENAPI_TITLE)%"
+  description: "%env(OPENAPI_DESCRIPTION)%"
+  version: 2.0.0
+  show_webby: false
+
+  openapi:
+    contact:
+      name: "%env(OPENAPI_CONTACT_NAME)%"
+      url: "%env(OPENAPI_CONTACT_URL)%"
+      email: "%env(OPENAPI_CONTACT_EMAIL)%"
+    termsOfService: "%env(OPENAPI_TERMS_OF_SERVICE)%"
+
+  formats:
+    jsonld: ["application/ld+json"]
+
+  docs_formats:
+    jsonld: ["application/ld+json"]
+    jsonopenapi: ["application/vnd.openapi+json"]
+    html: ["text/html"]
+
+  mapping:
+    paths:
+      - "%kernel.project_dir%/src/Api/Dto"
+
+  doctrine:
+    enabled: false
+
+  swagger:
+    api_keys:
+      ApiKeyAuth:
+        name: "X-Api-Key"
+        type: header
+
+  elasticsearch:
+    hosts: ["%env(INDEX_URL)%"]
+
+  defaults:
+    stateless: true
+    pagination_items_per_page: "%env(int:PAGINATION_ITEMS_PER_PAGE)%"
+    pagination_maximum_items_per_page: "%env(int:PAGINATION_MAXIMUM_ITEMS_PER_PAGE)%"
+    cache_headers:
+      max_age: 3600
+      shared_max_age: 3600
+      vary: ["Content-Type", "Authorization", "Origin"]
+    extra_properties:
+      # Note: The api-platform/core 3.4 recipe sets `standard_put` eventhough
+      # https://api-platform.com/docs/core/upgrade-guide/#api-platform-34
+      # (probably) tells us to remove it
+      # standard_put: true
+      # https://api-platform.com/docs/core/upgrade-guide/#api-platform-34
+      rfc_7807_compliant_errors: true
+  # Note: The api-platform/core 3.4 recipe wants `use_symfony_listeners` to be true
+  use_symfony_listeners: false
+
+  # https://api-platform.com/docs/core/upgrade-guide/#upgrade-guide
+  serializer:
+    hydra_prefix: true
diff --git a/config/packages/cache.yaml b/config/packages/cache.yaml
index 6899b72..72cca01 100644
--- a/config/packages/cache.yaml
+++ b/config/packages/cache.yaml
@@ -1,19 +1,19 @@
 framework:
-    cache:
-        # Unique name of your app: used to compute stable namespaces for cache keys.
-        #prefix_seed: your_vendor_name/app_name
+  cache:
+    # Unique name of your app: used to compute stable namespaces for cache keys.
+    #prefix_seed: your_vendor_name/app_name
 
-        # The "app" cache stores to the filesystem by default.
-        # The data in this cache should persist between deploys.
-        # Other options include:
+    # The "app" cache stores to the filesystem by default.
+    # The data in this cache should persist between deploys.
+    # Other options include:
 
-        # Redis
-        #app: cache.adapter.redis
-        #default_redis_provider: redis://localhost
+    # Redis
+    #app: cache.adapter.redis
+    #default_redis_provider: redis://localhost
 
-        # APCu (not recommended with heavy random-write workloads as memory fragmentation can cause perf issues)
-        #app: cache.adapter.apcu
+    # APCu (not recommended with heavy random-write workloads as memory fragmentation can cause perf issues)
+    #app: cache.adapter.apcu
 
-        # Namespaced pools use the above "app" backend by default
-        #pools:
-            #my.dedicated.cache: null
+    # Namespaced pools use the above "app" backend by default
+    #pools:
+    #my.dedicated.cache: null
diff --git a/config/packages/framework.yaml b/config/packages/framework.yaml
index 7d97622..3db7510 100644
--- a/config/packages/framework.yaml
+++ b/config/packages/framework.yaml
@@ -1,27 +1,27 @@
 # see https://symfony.com/doc/current/reference/configuration/framework.html
 framework:
-    secret: '%env(APP_SECRET)%'
-    annotations: false
-    http_method_override: false
-    handle_all_throwables: true
+  secret: "%env(APP_SECRET)%"
+  annotations: false
+  http_method_override: false
+  handle_all_throwables: true
 
-    # Enables session support. Note that the session will ONLY be started if you read or write from it.
-    # Remove or comment this section to explicitly disable session support.
-    session:
-        handler_id: null
-        cookie_secure: auto
-        cookie_samesite: lax
+  # Enables session support. Note that the session will ONLY be started if you read or write from it.
+  # Remove or comment this section to explicitly disable session support.
+  session:
+    handler_id: null
+    cookie_secure: auto
+    cookie_samesite: lax
 
-    #esi: true
-    #fragments: true
-    php_errors:
-        log: true
+  #esi: true
+  #fragments: true
+  php_errors:
+    log: true
 
-    assets:
-        base_path: '%env(APP_PATH_PREFIX)%'
+  assets:
+    base_path: "%env(APP_PATH_PREFIX)%"
 
 when@test:
-    framework:
-        test: true
-        session:
-            storage_factory_id: session.storage.factory.mock_file
+  framework:
+    test: true
+    session:
+      storage_factory_id: session.storage.factory.mock_file
diff --git a/config/packages/http_discovery.yaml b/config/packages/http_discovery.yaml
index 2a789e7..3e7ef4b 100644
--- a/config/packages/http_discovery.yaml
+++ b/config/packages/http_discovery.yaml
@@ -1,10 +1,10 @@
 services:
-    Psr\Http\Message\RequestFactoryInterface: '@http_discovery.psr17_factory'
-    Psr\Http\Message\ResponseFactoryInterface: '@http_discovery.psr17_factory'
-    Psr\Http\Message\ServerRequestFactoryInterface: '@http_discovery.psr17_factory'
-    Psr\Http\Message\StreamFactoryInterface: '@http_discovery.psr17_factory'
-    Psr\Http\Message\UploadedFileFactoryInterface: '@http_discovery.psr17_factory'
-    Psr\Http\Message\UriFactoryInterface: '@http_discovery.psr17_factory'
+  Psr\Http\Message\RequestFactoryInterface: "@http_discovery.psr17_factory"
+  Psr\Http\Message\ResponseFactoryInterface: "@http_discovery.psr17_factory"
+  Psr\Http\Message\ServerRequestFactoryInterface: "@http_discovery.psr17_factory"
+  Psr\Http\Message\StreamFactoryInterface: "@http_discovery.psr17_factory"
+  Psr\Http\Message\UploadedFileFactoryInterface: "@http_discovery.psr17_factory"
+  Psr\Http\Message\UriFactoryInterface: "@http_discovery.psr17_factory"
 
-    http_discovery.psr17_factory:
-        class: Http\Discovery\Psr17Factory
+  http_discovery.psr17_factory:
+    class: Http\Discovery\Psr17Factory
diff --git a/config/packages/nelmio_cors.yaml b/config/packages/nelmio_cors.yaml
index 8977033..12577e6 100644
--- a/config/packages/nelmio_cors.yaml
+++ b/config/packages/nelmio_cors.yaml
@@ -1,10 +1,10 @@
 nelmio_cors:
-    defaults:
-        origin_regex: true
-        allow_origin: ['%env(CORS_ALLOW_ORIGIN)%']
-        allow_methods: ['GET', 'OPTIONS']
-        allow_headers: ['Content-Type', 'X-Api-Key']
-        expose_headers: ['Link']
-        max_age: 3600
-    paths:
-        '^/': null
+  defaults:
+    origin_regex: true
+    allow_origin: ["%env(CORS_ALLOW_ORIGIN)%"]
+    allow_methods: ["GET", "OPTIONS"]
+    allow_headers: ["Content-Type", "X-Api-Key"]
+    expose_headers: ["Link"]
+    max_age: 3600
+  paths:
+    "^/": null
diff --git a/config/packages/routing.yaml b/config/packages/routing.yaml
index 4b766ce..c0f1474 100644
--- a/config/packages/routing.yaml
+++ b/config/packages/routing.yaml
@@ -1,12 +1,12 @@
 framework:
-    router:
-        utf8: true
+  router:
+    utf8: true
 
-        # Configure how to generate URLs in non-HTTP contexts, such as CLI commands.
-        # See https://symfony.com/doc/current/routing.html#generating-urls-in-commands
-        #default_uri: http://localhost
+    # Configure how to generate URLs in non-HTTP contexts, such as CLI commands.
+    # See https://symfony.com/doc/current/routing.html#generating-urls-in-commands
+    #default_uri: http://localhost
 
 when@prod:
-    framework:
-        router:
-            strict_requirements: null
+  framework:
+    router:
+      strict_requirements: null
diff --git a/config/packages/security.yaml b/config/packages/security.yaml
index 0d1e5f5..ee040de 100644
--- a/config/packages/security.yaml
+++ b/config/packages/security.yaml
@@ -1,44 +1,44 @@
 security:
-    # https://symfony.com/doc/current/security.html#registering-the-user-hashing-passwords
-    password_hashers:
-        Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface: 'auto'
-    # https://symfony.com/doc/current/security.html#loading-the-user-the-user-provider
-    providers:
-        users_in_memory: { memory: null }
-        api_user_provider:
-            id: App\Security\ApiUserProvider
-    firewalls:
-        dev:
-            pattern: ^/(_(profiler|wdt)|css|images|js)/
-            security: false
-        main:
-            stateless: true
-            custom_authenticators:
-                - App\Security\ApiKeyAuthenticator
-            provider: api_user_provider
+  # https://symfony.com/doc/current/security.html#registering-the-user-hashing-passwords
+  password_hashers:
+    Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface: "auto"
+  # https://symfony.com/doc/current/security.html#loading-the-user-the-user-provider
+  providers:
+    users_in_memory: { memory: null }
+    api_user_provider:
+      id: App\Security\ApiUserProvider
+  firewalls:
+    dev:
+      pattern: ^/(_(profiler|wdt)|css|images|js)/
+      security: false
+    main:
+      stateless: true
+      custom_authenticators:
+        - App\Security\ApiKeyAuthenticator
+      provider: api_user_provider
 
-            # activate different ways to authenticate
-            # https://symfony.com/doc/current/security.html#the-firewall
+      # activate different ways to authenticate
+      # https://symfony.com/doc/current/security.html#the-firewall
 
-            # https://symfony.com/doc/current/security/impersonating_user.html
-            # switch_user: true
+      # https://symfony.com/doc/current/security/impersonating_user.html
+      # switch_user: true
 
-    # Easy way to control access for large sections of your site
-    # Note: Only the *first* access control that matches will be used
-    access_control:
-        - { path: ^/api/v2/docs, roles: PUBLIC_ACCESS }
-        - { path: ^/api, roles: IS_AUTHENTICATED_FULLY }
-        # - { path: ^/profile, roles: ROLE_USER }
+  # Easy way to control access for large sections of your site
+  # Note: Only the *first* access control that matches will be used
+  access_control:
+    - { path: ^/api/v2/docs, roles: PUBLIC_ACCESS }
+    - { path: ^/api, roles: IS_AUTHENTICATED_FULLY }
+    # - { path: ^/profile, roles: ROLE_USER }
 
 when@test:
-    security:
-        password_hashers:
-            # By default, password hashers are resource intensive and take time. This is
-            # important to generate secure password hashes. In tests however, secure hashes
-            # are not important, waste resources and increase test times. The following
-            # reduces the work factor to the lowest possible values.
-            Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface:
-                algorithm: auto
-                cost: 4 # Lowest possible value for bcrypt
-                time_cost: 3 # Lowest possible value for argon
-                memory_cost: 10 # Lowest possible value for argon
+  security:
+    password_hashers:
+      # By default, password hashers are resource intensive and take time. This is
+      # important to generate secure password hashes. In tests however, secure hashes
+      # are not important, waste resources and increase test times. The following
+      # reduces the work factor to the lowest possible values.
+      Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface:
+        algorithm: auto
+        cost: 4 # Lowest possible value for bcrypt
+        time_cost: 3 # Lowest possible value for argon
+        memory_cost: 10 # Lowest possible value for argon
diff --git a/config/packages/twig.yaml b/config/packages/twig.yaml
index b46e8b3..43c7276 100644
--- a/config/packages/twig.yaml
+++ b/config/packages/twig.yaml
@@ -1,9 +1,9 @@
 twig:
-    file_name_pattern: '*.twig'
+  file_name_pattern: "*.twig"
 
-    globals:
-        app_project_uri: '%env(APP_PROJECT_URI)%'
+  globals:
+    app_project_uri: "%env(APP_PROJECT_URI)%"
 
 when@test:
-    twig:
-        strict_variables: true
+  twig:
+    strict_variables: true
diff --git a/config/packages/validator.yaml b/config/packages/validator.yaml
index 0201281..876481d 100644
--- a/config/packages/validator.yaml
+++ b/config/packages/validator.yaml
@@ -1,13 +1,13 @@
 framework:
-    validation:
-        email_validation_mode: html5
+  validation:
+    email_validation_mode: html5
 
-        # Enables validator auto-mapping support.
-        # For instance, basic validation constraints will be inferred from Doctrine's metadata.
-        #auto_mapping:
-        #    App\Entity\: []
+    # Enables validator auto-mapping support.
+    # For instance, basic validation constraints will be inferred from Doctrine's metadata.
+    #auto_mapping:
+    #    App\Entity\: []
 
 when@test:
-    framework:
-        validation:
-            not_compromised_password: false
+  framework:
+    validation:
+      not_compromised_password: false
diff --git a/config/packages/web_profiler.yaml b/config/packages/web_profiler.yaml
index 1e039b7..1e77fbc 100644
--- a/config/packages/web_profiler.yaml
+++ b/config/packages/web_profiler.yaml
@@ -1,11 +1,11 @@
 when@dev:
-    web_profiler:
-        toolbar: true
+  web_profiler:
+    toolbar: true
 
-    framework:
-        profiler:
-            collect_serializer_data: true
+  framework:
+    profiler:
+      collect_serializer_data: true
 
 when@test:
-    framework:
-        profiler: { collect: false }
+  framework:
+    profiler: { collect: false }
diff --git a/config/routes.yaml b/config/routes.yaml
index 41ef814..2d0ef99 100644
--- a/config/routes.yaml
+++ b/config/routes.yaml
@@ -1,5 +1,5 @@
 controllers:
-    resource:
-        path: ../src/Controller/
-        namespace: App\Controller
-    type: attribute
+  resource:
+    path: ../src/Controller/
+    namespace: App\Controller
+  type: attribute
diff --git a/config/routes/api_platform.yaml b/config/routes/api_platform.yaml
index 6dbbb2d..251216e 100644
--- a/config/routes/api_platform.yaml
+++ b/config/routes/api_platform.yaml
@@ -1,4 +1,4 @@
 api_platform:
-    resource: .
-    type: api_platform
-    prefix: '%api.path_prefix%'
+  resource: .
+  type: api_platform
+  prefix: "%api.path_prefix%"
diff --git a/config/routes/framework.yaml b/config/routes/framework.yaml
index 0fc74bb..cce01c1 100644
--- a/config/routes/framework.yaml
+++ b/config/routes/framework.yaml
@@ -1,4 +1,4 @@
 when@dev:
-    _errors:
-        resource: '@FrameworkBundle/Resources/config/routing/errors.xml'
-        prefix: /_error
+  _errors:
+    resource: "@FrameworkBundle/Resources/config/routing/errors.xml"
+    prefix: /_error
diff --git a/config/routes/security.yaml b/config/routes/security.yaml
index f853be1..3cb5ef0 100644
--- a/config/routes/security.yaml
+++ b/config/routes/security.yaml
@@ -1,3 +1,3 @@
 _security_logout:
-    resource: security.route_loader.logout
-    type: service
+  resource: security.route_loader.logout
+  type: service
diff --git a/config/routes/web_profiler.yaml b/config/routes/web_profiler.yaml
index 8d85319..e004603 100644
--- a/config/routes/web_profiler.yaml
+++ b/config/routes/web_profiler.yaml
@@ -1,8 +1,8 @@
 when@dev:
-    web_profiler_wdt:
-        resource: '@WebProfilerBundle/Resources/config/routing/wdt.xml'
-        prefix: /_wdt
+  web_profiler_wdt:
+    resource: "@WebProfilerBundle/Resources/config/routing/wdt.xml"
+    prefix: /_wdt
 
-    web_profiler_profiler:
-        resource: '@WebProfilerBundle/Resources/config/routing/profiler.xml'
-        prefix: /_profiler
+  web_profiler_profiler:
+    resource: "@WebProfilerBundle/Resources/config/routing/profiler.xml"
+    prefix: /_profiler
diff --git a/config/services.yaml b/config/services.yaml
index 662a287..42e9aae 100644
--- a/config/services.yaml
+++ b/config/services.yaml
@@ -4,71 +4,70 @@
 # Put parameters here that don't need to change on each machine where the app is deployed
 # https://symfony.com/doc/current/best_practices.html#use-parameters-for-application-configuration
 parameters:
-    api.path_prefix: '%env(string:APP_PATH_PREFIX)%'
+  api.path_prefix: "%env(string:APP_PATH_PREFIX)%"
 
 services:
-    # default configuration for services in *this* file
-    _defaults:
-        autowire: true      # Automatically injects dependencies in your services.
-        autoconfigure: true # Automatically registers your services as commands, event subscribers, etc.
-
-    # makes classes in src/ available to be used as services
-    # this creates a service per class whose id is the fully-qualified class name
-    App\:
-        resource: '../src/'
-        exclude:
-            - '../src/DependencyInjection/'
-            - '../src/Entity/'
-            - '../src/Kernel.php'
-
-    # add more service definitions when explicit configuration is needed
-    # please note that last definitions always *replace* previous ones
-
-
-    App\Api\State\AbstractProvider:
-        arguments:
-            $filterLocator: '@api_platform.filter_locator'
-
-    App\Api\State\DailyOccurrenceRepresentationProvider:
-        arguments:
-            $filterLocator: '@api_platform.filter_locator'
-
-    App\Api\State\EventRepresentationProvider:
-        arguments:
-            $filterLocator: '@api_platform.filter_locator'
-
-    App\Api\State\LocationRepresentationProvider:
-        arguments:
-            $filterLocator: '@api_platform.filter_locator'
-
-    App\Api\State\OccurrenceRepresentationProvider:
-        arguments:
-            $filterLocator: '@api_platform.filter_locator'
-
-    App\Api\State\OrganizationRepresentationProvider:
-        arguments:
-            $filterLocator: '@api_platform.filter_locator'
-
-    App\Api\State\TagRepresentationProvider:
-        arguments:
-            $filterLocator: '@api_platform.filter_locator'
-
-    App\Api\State\VocabularyRepresentationProvider:
-        arguments:
-            $filterLocator: '@api_platform.filter_locator'
-
-    App\Command\FixturesLoadCommand:
-        arguments:
-            $appEnv: '%env(string:APP_ENV)%'
-
-    App\Security\ApiUserProvider:
-        arguments:
-            $apikeys: '%env(json:APP_API_KEYS)%'
-
-    Elastic\Elasticsearch\Client:
-        factory: [ '@Elastic\Elasticsearch\ClientBuilder', fromConfig ]
-        arguments:
-            $config:
-                hosts: [ '%env(INDEX_URL)%' ]
-
-    Elastic\Elasticsearch\ClientBuilder: ~
+  # default configuration for services in *this* file
+  _defaults:
+    autowire: true # Automatically injects dependencies in your services.
+    autoconfigure: true # Automatically registers your services as commands, event subscribers, etc.
+
+  # makes classes in src/ available to be used as services
+  # this creates a service per class whose id is the fully-qualified class name
+  App\:
+    resource: "../src/"
+    exclude:
+      - "../src/DependencyInjection/"
+      - "../src/Entity/"
+      - "../src/Kernel.php"
+
+  # add more service definitions when explicit configuration is needed
+  # please note that last definitions always *replace* previous ones
+
+  App\Api\State\AbstractProvider:
+    arguments:
+      $filterLocator: "@api_platform.filter_locator"
+
+  App\Api\State\DailyOccurrenceRepresentationProvider:
+    arguments:
+      $filterLocator: "@api_platform.filter_locator"
+
+  App\Api\State\EventRepresentationProvider:
+    arguments:
+      $filterLocator: "@api_platform.filter_locator"
+
+  App\Api\State\LocationRepresentationProvider:
+    arguments:
+      $filterLocator: "@api_platform.filter_locator"
+
+  App\Api\State\OccurrenceRepresentationProvider:
+    arguments:
+      $filterLocator: "@api_platform.filter_locator"
+
+  App\Api\State\OrganizationRepresentationProvider:
+    arguments:
+      $filterLocator: "@api_platform.filter_locator"
+
+  App\Api\State\TagRepresentationProvider:
+    arguments:
+      $filterLocator: "@api_platform.filter_locator"
+
+  App\Api\State\VocabularyRepresentationProvider:
+    arguments:
+      $filterLocator: "@api_platform.filter_locator"
+
+  App\Command\FixturesLoadCommand:
+    arguments:
+      $appEnv: "%env(string:APP_ENV)%"
+
+  App\Security\ApiUserProvider:
+    arguments:
+      $apikeys: "%env(json:APP_API_KEYS)%"
+
+  Elastic\Elasticsearch\Client:
+    factory: ['@Elastic\Elasticsearch\ClientBuilder', fromConfig]
+    arguments:
+      $config:
+        hosts: ["%env(INDEX_URL)%"]
+
+  Elastic\Elasticsearch\ClientBuilder: ~