Lower the minimum version of Docker required for building images to v1.24

[AlexFalappa]

Using the new Spring Boot maven plugin goal spring-boot:build-image I faced the following build failure:

Execution default-cli of goal org.springframework.boot:spring-boot-maven-plugin:2.3.0.M1:build-image failed: Docker API call to 'docker://localhost/v1.40/images/create?fromImage=docker.io%2Fcloudfoundry%2Fcnb%3A0.0.43-bionic' failed with status code 400 "Bad Request"

According to the Docker API version matrix it seems at least Docker v19.03 is needed (implementing API version 1.40) while I currently am on Docker v18.09 which implements API version 1.39.

Is the very latest version of Docker really needed to build OCI images?

Please consider supporting a wider range of Docker versions or otherwise explicitly document the minimum Docker version needed.

[AlexFalappa]

Had a look at the commits history and noticed the API version was hardcoded in
spring-boot-project/spring-boot-tools/spring-boot-cloudnativebuildpack/src/main/java/org/springframework/boot/cloudnativebuildpack/docker/DockerApi.java.

According to Docker API documentation version less API URLs are deprecated but should anyway be possible to use a lower version since newer daemons will be retro compatible.

[wilkinsona]

We don't use much of the Docker API at all so our required version could certainly be lower. The question is how much lower should it be. At the time of writing, the documentation says the following:

Docker does not recommend running versions prior to 1.12, which means you are encouraged to use an API version of 1.24 or higher.

I believe that 1.24 meets our requirements so it's tempting to go with that.

[hantsy]

I got a 500 error when using 2.3.0.RELEASE with the latest Docker Desktop, check here.

[scottfrederick]

@hantsy Please don't comment on close issues to bring attention to a Stack Overflow question. You are getting support on SO, let's keep the discussion there.

[lixinchuang]

this issue is really not fixed!
i encountered the same problem when using springboot 2.3.0 GA
I checked the docker API version
Api-Version: 1.39

[lixinchuang]

so you could not hard code the API_VERSION = 1.24 , it doesn't work