Update from PR comments and recommendations

.github/workflows/kaas-docker-image.yml

@@ -1,13 +1,8 @@
 name: Docker image
 on:
-  push:
-    branches:
-      - '*'
-    tags:
-      - 'v[0-9]+.[0-9]+.[0-9]+'
-  pull_request:
-    branches:
-      - '*'
+  release:
+    types: [published]
+  workflow_dispatch:
 jobs:
   build:
     name: Build & push docker image
@@ -22,8 +17,8 @@ jobs:
       - name: Log in to Docker Hub
         uses: docker/login-action@v2
         with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
 
       - name: Build and push Docker image
         uses: docker/build-push-action@v4

docs/deployment/dockerhub.rst

@@ -0,0 +1,19 @@
+| The jupyter hub docker images are at: https://github.com/jupyter/docker-stacks.  We will extend them for Kestrel-as-a-Service and other use cases.  At the moment the docker image is getting pushed to - https://hub.docker.com/repository/docker/kpeeples/kaas-baseline/general.  The dockerfile in this repo includes kestrel-lang, kestrel-analytics, kestrel-huntbook and tutorials.  The workflow file automatically builds the image upon commits.
+| 
+| Login to dockerhub using one of the examples:  
+| A. $ docker login  
+| Username:   
+| Password:  
+| Login Succeeded  
+| B. $ docker login --username demo --password example  
+| C. $ cat password.txt | docker login --username demo --password-stdin  
+| Note: you can use a credential helper - https://docs.docker.com/engine/reference/commandline/login/#credentials-store  
+|   
+| Manually Build image using one of the examples, the below url should change to the kestrel-lang url  
+| A. $ docker build -t kpeeples/kaas-baseline:latest -t kpeeples/kaas-baseline:v1  
+| B. $ sudo docker build -t kpeeples/kaas-baseline:latest -t kpeeples/kaas-baseline:v2 https://raw.githubusercontent.com/kpeeples/kestrel-as-a-service/main/dockerhub/Dockerfile  
+|   
+| Push image, version should be incremental and will be standardized later  
+| A. $ sudo docker push kpeeples/kaas-baseline:v1   
+| B. $ sudo docker push kpeeples/kaas-baseline:latest  
+| 

docs/deployment/index.rst

@@ -0,0 +1,13 @@
+================================
+Container Formats for Deployment
+================================
+
+Docker Format for Dockerhub
+===========================
+
+.. include:: dockerhub.rst
+
+OCI Format
+==========
+
+.. include:: oci.rst

docs/deployment/oci.rst

@@ -0,0 +1,2 @@
+
+Placeholder for future OCI (Open Container Initiative) - https://opencontainers.org/

docs/index.rst

@@ -23,6 +23,7 @@ talks, community entrances, and more.
    configuration
    debug
    runtime
+   deployment/index
    theory
    talks
    contributing