Improvements to the docker build + update readme

.github/actions/docker-setup/action.yml

@@ -2,10 +2,13 @@ name: 'Setting up docker'
 
 inputs:
   DOCKERHUB_USERNAME:
+    description: "Docker hub username"
     required: true
   DOCKERHUB_REPO_NAME:
+    description: "Docker hub repo name"
     required: true
   DOCKERHUB_TOKEN:
+    description: "Docker hub token"
     required: true
 
 runs:

.github/workflows/publish-docker-v2.yml

@@ -116,7 +116,7 @@ jobs:
             ALLTALK_DIR=${{ env.ALLTALK_DIR }}
             DEEPSPEED_VERSION=${{ env.DEEPSPEED_VERSION }}
             DOCKER_TAG=${{ env.DOCKER_TAG }}
-            GITHUB_REPOSITORY=${{ env.DOCKERHUB_USERNAME }}/
+            DOCKER_REPOSITORY=${{ env.DOCKERHUB_USERNAME }}/
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=registry,ref=${{ env.DOCKERHUB_USERNAME }}/${{ env.DOCKERHUB_REPO_NAME }}:buildcache-${{ matrix.tts }}