Revert "Finalize Dockerfile move; unfortunately not supported by Docker Hub"

Unfortunately because of this issue
https://github.com/docker/hub-feedback/issues/292

Docker Hub effectively automatically changes directory to the location
of Dockerfile, meaning needed files are not in the right places, so
this has to be reverted.

This reverts commit 65c9a07dde.

[ci skip]

Dockerfile

@@ -51,4 +51,4 @@ WORKDIR /home/docker
 
 # Must use array form of ENTRYPOINT
 # Non-array form does not append other arguments, because that is "intuitive"
-ENTRYPOINT ["/application/.docker/docker-wrapper.sh"]
+ENTRYPOINT ["/application/docker-wrapper.sh"]

Dockerfile.polyglot

@@ -16,4 +16,4 @@ USER docker
 
 # Must use array form of ENTRYPOINT
 # Non-array form does not append other arguments, because that is "intuitive"
-ENTRYPOINT ["/application/.docker/docker-wrapper.sh"]
+ENTRYPOINT ["/application/docker-wrapper.sh"]

Dockerfile.tess4

@@ -61,4 +61,4 @@ WORKDIR /home/docker
 
 # Must use array form of ENTRYPOINT
 # Non-array form does not append other arguments, because that is "intuitive"
-ENTRYPOINT ["/application/.docker/docker-wrapper.sh"]
+ENTRYPOINT ["/application/docker-wrapper.sh"]

MANIFEST.in

@@ -7,11 +7,9 @@ include dev_requirements.txt
 include .git_archival.txt
 
 # docker
+include Dockerfile
+include Dockerfile.polyglot
 include .dockerignore
-include .docker/main.docker
-include .docker/polyglot.docker
-include .docker/tess4.docker
-include .docker/docker-wrapper.sh
 
 # tests
 include pytest.ini
@@ -45,6 +43,6 @@ exclude tasks.py
 recursive-include ocrmypdf *.py
 exclude ocrmypdf/lib/_leptonica.py
 include OCRmyPDF.sh
-
+include docker-wrapper.sh