Fix links

Author: adriendupuis

docs/guide/bundles.md

@@ -54,7 +54,7 @@ see the [How to Remove a Bundle]([[= symfony_doc =]]/bundles/remove.html) instru
 |[ezsystems/ezplatform-rest](https://github.com/ezsystems/ezplatform-rest)|REST API|
 |[ezsystems/ezplatform-richtext](https://github.com/ezsystems/ezplatform-richtext)|Field Type for supporting rich-formatted text stored in a structured XML format|
 |[ezsystems/ezplatform-search](https://github.com/ezsystems/ezplatform-search)|Common search functionalities|
-|[ezsystems/ezplatform-solr-search-engine](https://github.com/ezsystems/ezplatform-solr-search-engine)|[Solr-powered](http://lucene.apache.org/solr/) search handler|
+|[ezsystems/ezplatform-solr-search-engine](https://github.com/ezsystems/ezplatform-solr-search-engine)|[Solr-powered](https://solr.apache.org/) search handler|
 |[ezsystems/ezplatform-standard-design](https://github.com/ezsystems/ezplatform-standard-design)|Standard design and theme to be handled by `ezplatform-design-engine`|
 |[ezsystems/ezplatform-user](https://github.com/ezsystems/ezplatform-user)|User management|
 

docs/guide/clustering_aws_s3.md

@@ -14,13 +14,13 @@ meaning AWS S3 will be used to store binary files.
 ## Set up AWS S3 account
 
 1.  Go to <https://aws.amazon.com/> and create an account.
-An [existing Amazon account can be used](http://docs.aws.amazon.com/AmazonS3/latest/gsg/SigningUpforS3.html).
-1.  [Choose a region](http://docs.aws.amazon.com/storagegateway/latest/userguide/available-regions-intro.html).
+An [existing Amazon account can be used](https://docs.aws.amazon.com/AmazonS3/latest/userguide/GetStartedWithS3.html#sign-up-for-aws).
+1.  [Choose a region](https://docs.aws.amazon.com/storagegateway/latest/vgw/available-regions-intro.html).
 The example below uses EU (Ireland): `eu-west-1`
 1.  Create a bucket in your chosen region and make note of the bucket name:
-<http://docs.aws.amazon.com/AmazonS3/latest/gsg/CreatingABucket.html>.
+<https://docs.aws.amazon.com/AmazonS3/latest/userguide/GetStartedWithS3.html#creating-bucket>.
 1.  Go to the [IAM Management Console](https://console.aws.amazon.com/iam/home#/users) and create a user.
-See <http://docs.aws.amazon.com/AmazonS3/latest/dev/s3-access-control.html>.
+See <https://docs.aws.amazon.com/AmazonS3/latest/userguide/security-iam.html>.
 1.  Then create a group and assign the user to the group.
 1.  Assign policies to the group. The `AmazonS3FullAccess` policy gives read/write access to your bucket.
 1.  Still in the IAM console, view the user you created. Click the "Security credentials" tab.
@@ -30,7 +30,7 @@ The secret key cannot be retrieved again after the key has been created, so don'
 
 !!! note
 
-    Make sure that your bucket is [configured as Public](https://docs.aws.amazon.com/AmazonS3/latest/user-guide/block-public-access-bucket.html) to avoid facing 403 errors, as the current S3 handler is meant to store files publicly so they can be served directly from S3.
+    Make sure that your bucket is [configured as Public](https://docs.aws.amazon.com/AmazonS3/latest/userguide/configuring-block-public-access-bucket.html) to avoid facing 403 errors, as the current S3 handler is meant to store files publicly so they can be served directly from S3.
 
 ## Set up [[= product_name =]] for AWS S3
 
@@ -77,7 +77,7 @@ ez_io:
     You can configure multiple handlers.
 
     For example, you could configure one called `gcloud_storage` for a third-party (community-supported)
-    [Google Cloud Storage adapter](https://github.com/thephpleague/flysystem#community-supported).
+    [Google Cloud Storage adapter](https://github.com/thephpleague/flysystem#officially-supported-adapters).
 
 In your [[= product_name =]] system settings, e.g. `config/packages/ezplatform.yaml`, enable the binary data handler:
 

docs/guide/configuration/config_repository.md

@@ -26,9 +26,9 @@ ezplatform:
 
     Legacy storage engine is the default storage engine for the Repository.
 
-    It uses [Doctrine DBAL](http://docs.doctrine-project.org/projects/doctrine-dbal/en/latest/) (Database Abstraction Layer).
+    It uses [Doctrine DBAL](https://www.doctrine-project.org/projects/doctrine-dbal/en/latest/) (Database Abstraction Layer).
     Database settings are supplied by [DoctrineBundle](https://github.com/doctrine/DoctrineBundle).
-    As such, you can refer to [DoctrineBundle's documentation](https://github.com/doctrine/DoctrineBundle/blob/master/Resources/doc/configuration.rst#doctrine-dbal-configuration).
+    As such, you can refer to [DoctrineBundle's documentation](https://github.com/doctrine/DoctrineBundle/blob/2.3.x/Resources/doc/configuration.rst#doctrine-dbal-configuration).
 
 If no Repository is specified for a SiteAccess or SiteAccess group,
 the first Repository defined under `ezplatform.repositories` will be used:
@@ -83,7 +83,7 @@ ezplatform:
                 prefix: eZ\Bundle\EzPublishCoreBundle\Entity
 ```
 
-Refer to [DoctrineBundle documentation](https://symfony.com/doc/3.4/reference/configuration/doctrine.html)
+Refer to [DoctrineBundle documentation](https://symfony.com/doc/5.x/reference/configuration/doctrine.html)
 for more information.
 
 !!! note