docker-compose quickstart fails on v0.9.0-alpha.2

[dfoxg]

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Describe the bug

When following the quickstart docs for docker the kratos-container fails to start:

docker-compose -f quickstart.yml -f quickstart-standalone.yml up --build --force-recreate
....
kratos-kratos-migrate-1              | time=2022-03-24T19:27:49Z level=debug msg=0.0989 seconds audience=application service_name=Ory Kratos service_version=v0.9.0-alpha.2
kratos-kratos-migrate-1              | Successfully applied SQL migrations!
kratos-kratos-migrate-1 exited with code 0
kratos-kratos-1                      | time=2022-03-24T19:27:50Z level=debug msg=Adding config files. func=github.com/ory/x/configx.(*Provider).createProviders file=/go/pkg/mod/github.com/ory/x@v0.0.358/configx/provider.go:156 audience=application files=[/etc/config/kratos/kratos.yml] service_name=Ory Kratos service_version=v0.9.0-alpha.2
kratos-kratos-1                      |
kratos-kratos-1                      | The configuration contains values or keys which are invalid:
kratos-kratos-1                      | identity.schemas.0.url: <nil>
kratos-kratos-1                      |                         ^-- one or more required properties are missing
kratos-kratos-1                      |
kratos-kratos-1                      | time=2022-03-24T19:27:50Z level=fatal msg=Unable to instantiate configuration. func=github.com/ory/kratos/driver.NewWithoutInit file=/project/driver/factory.go:26 audience=application error=map[message:I[#/identity/schemas/0] S[#/properties/identity/properties/schemas/items/required] missing properties: "url" stack_trace:stack trace could not be recovered from error type *jsonschema.ValidationError] service_name=Ory Kratos service_version=v0.9.0-alpha.2

Reproducing the bug

git clone https://github.com/ory/kratos.git
cd kratos
docker-compose -f quickstart.yml -f quickstart-standalone.yml up --build --force-recreate

Relevant log output

kratos-kratos-migrate-1              | time=2022-03-24T19:27:49Z level=debug msg=Migrations already up to date, nothing to apply audience=application service_name=Ory Kratos service_version=v0.9.0-alpha.2
kratos-kratos-migrate-1              | time=2022-03-24T19:27:49Z level=debug msg=0.0989 seconds audience=application service_name=Ory Kratos service_version=v0.9.0-alpha.2
kratos-kratos-migrate-1              | Successfully applied SQL migrations!
kratos-kratos-migrate-1 exited with code 0
kratos-kratos-1                      | time=2022-03-24T19:27:50Z level=debug msg=Adding config files. func=github.com/ory/x/configx.(*Provider).createProviders file=/go/pkg/mod/github.com/ory/x@v0.0.358/configx/provider.go:156 audience=application files=[/etc/config/kratos/kratos.yml] service_name=Ory Kratos service_version=v0.9.0-alpha.2
kratos-kratos-1                      |
kratos-kratos-1                      | The configuration contains values or keys which are invalid:
kratos-kratos-1                      | identity.schemas.0.url: <nil>
kratos-kratos-1                      |                         ^-- one or more required properties are missing
kratos-kratos-1                      |
kratos-kratos-1                      | time=2022-03-24T19:27:50Z level=fatal msg=Unable to instantiate configuration. func=github.com/ory/kratos/driver.NewWithoutInit file=/project/driver/factory.go:26 audience=application error=map[message:I[#/identity/schemas/0] S[#/properties/identity/properties/schemas/items/required] missing properties: "url" stack_trace:stack trace could not be recovered from error type *jsonschema.ValidationError] service_name=Ory Kratos service_version=v0.9.0-alpha.2
kratos-kratos-1 exited with code 1
kratos-kratos-1                      | time=2022-03-24T19:27:51Z level=debug msg=Adding config files. func=github.com/ory/x/configx.(*Provider).createProviders file=/go/pkg/mod/github.com/ory/x@v0.0.358/configx/provider.go:156 audience=application files=[/etc/config/kratos/kratos.yml] service_name=Ory Kratos service_version=v0.9.0-alpha.2
kratos-kratos-1                      |
kratos-kratos-1                      | The configuration contains values or keys which are invalid:
kratos-kratos-1                      | identity.schemas.0.url: <nil>
kratos-kratos-1                      |                         ^-- one or more required properties are missing
kratos-kratos-1                      |
kratos-kratos-1                      | time=2022-03-24T19:27:51Z level=fatal msg=Unable to instantiate configuration. func=github.com/ory/kratos/driver.NewWithoutInit file=/project/driver/factory.go:26 audience=application error=map[message:I[#/identity/schemas/0] S[#/properties/identity/properties/schemas/items/required] missing properties: "url" stack_trace:stack trace could not be recovered from error type *jsonschema.ValidationError] service_name=Ory Kratos service_version=v0.9.0-alpha.2
kratos-kratos-selfservice-ui-node-1  | Listening on http://0.0.0.0:4455
kratos-kratos-1 exited with code 1
kratos-kratos-1                      | time=2022-03-24T19:27:52Z level=debug msg=Adding config files. func=github.com/ory/x/configx.(*Provider).createProviders file=/go/pkg/mod/github.com/ory/x@v0.0.358/configx/provider.go:156 audience=application files=[/etc/config/kratos/kratos.yml] service_name=Ory Kratos service_version=v0.9.0-alpha.2
kratos-kratos-1                      |
kratos-kratos-1                      | The configuration contains values or keys which are invalid:
kratos-kratos-1                      | identity.schemas.0.url: <nil>
kratos-kratos-1                      |                         ^-- one or more required properties are missing
kratos-kratos-1                      |
kratos-kratos-1                      | time=2022-03-24T19:27:52Z level=fatal msg=Unable to instantiate configuration. func=github.com/ory/kratos/driver.NewWithoutInit file=/project/driver/factory.go:26 audience=application error=map[message:I[#/identity/schemas/0] S[#/properties/identity/properties/schemas/items/required] missing properties: "url" stack_trace:stack trace could not be recovered from error type *jsonschema.ValidationError] service_name=Ory Kratos service_version=v0.9.0-alpha.2

### Relevant configuration

```yml
none - just using the defaults

Version

v0.9.0-alpha.2

On which operating system are you observing this issue?

Linux

In which environment are you deploying?

Docker Compose

Additional Context

No response

[erolkskn]

schema field below

kratos/contrib/quickstart/kratos/email-password/kratos.yml

Line 80 in 22cb081

schema: file:///etc/config/kratos/identity.schema.json

should be renamed to url according to the latest config schema:

kratos/embedx/config.schema.json

Lines 2051 to 2061 in 22cb081

	"url": {
	"type": "string",
	"title": "JSON Schema URL for identity traits schema",
	"description": "URL for JSON Schema which describes a identity's traits. Can be a file path, a https URL, or a base64 encoded string.",
	"format": "uri",
	"examples": [
	"file://path/to/identity.traits.schema.json",
	"https://foo.bar.com/path/to/identity.traits.schema.json",
	"base64://ewogICIkc2NoZW1hIjogImh0dHA6Ly9qc29uLXNjaGVtYS5vcmcvZHJhZnQtMDcvc2NoZW1hIyIsCiAgInR5cGUiOiAib2JqZWN0IiwKICAicHJvcGVydGllcyI6IHsKICAgICJiYXIiOiB7CiAgICAgICJ0eXBlIjogInN0cmluZyIKICAgIH0KICB9LAogICJyZXF1aXJlZCI6IFsKICAgICJiYXIiCiAgXQp9"
	]
	}