Add support for more default dockerfile containerizers

[ashokponkumar]

Adding a new docker file based containerization technique for move2kube involves the following:

1. Check out other existing dockerfile containerizers in https://github.com/konveyor/move2kube/tree/master/internal/assets/dockerfiles
2. Write a detect script called m2kdfdetect.sh in a new folder similar to https://github.com/konveyor/move2kube/blob/master/internal/assets/dockerfiles/python/m2kdfdetect.sh
3. The detect script should return any parameters that will be required by the dockerfile as a json
4. Write a dockerfile (similar to https://github.com/konveyor/move2kube/blob/master/internal/assets/dockerfiles/python/Dockerfile) which uses the paramters passed above.
5. Do a make generate
6. Do a make build
7. Test whether move2kube translate -s srcfolder, where srcfolder is the folder where a folder containing the application that can be containerized using the above code is present. Check whether move2kube detects it.
8. Check into https://github.com/konveyor/move2kube/blob/master/internal/assets/dockerfiles/
9. Create a pull request.

[akhil-ghatiki]

@ashokponkumar wrt point 2 what does "new folder" mean ?
Does it mean folder other than python ?
or
adding totally new folders upon existing folders in /assets/dockerfiles ?

[ashokponkumar]

@ashokponkumar wrt point 2 what does "new folder" mean ?
Does it mean folder other than python ?
or
adding totally new folders upon existing folders in /assets/dockerfiles ?

Totally new folders in /assets/dockerfiles depending on the language you are adding support for.

[ashokponkumar]

@seshapad Can you please take the steps in the description, and elaborate on them and create a step by step process of how to create, test and merge a new containerization for Dockerfile and S2I techniques? Once you have it create a folder named "docs" and place the file inside it and create a PR to the repository.

[akhil-ghatiki]

@ashokponkumar I am working on this.

[ashokponkumar]

@ashokponkumar I am working on this.

Sure @akhil-ghatiki . Do reach out to @seshapad in this thread if you have any questions.

[akhil-ghatiki]

@ashokponkumar Just to reconfirm, I need not commit the generated files from make generate for the PR right ?

Below are the generated files.

internal/assets/constants.go
internal/containerizer/scripts/constants.go
internal/metadata/clusters/constants.go
internal/source/data/constants.go
internal/transformer/templates/constants.go

[ashokponkumar]

@ashokponkumar Just to reconfirm, I need not commit the generated files from make generate for the PR right ?

Below are the generated files.

internal/assets/constants.go
internal/containerizer/scripts/constants.go
internal/metadata/clusters/constants.go
internal/source/data/constants.go
internal/transformer/templates/constants.go

You will have to commit them for the builds to pick up