🆙 jupyter notebook to jupyterlab

.github/workflows/binder.yml

@@ -0,0 +1,29 @@
+name: Binder
+on: 
+  pull_request:
+    types: [opened, reopened]
+
+jobs:
+  Create-Binder-Badge:
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: checkout pull request branch
+      uses: actions/checkout@v2
+      with:
+        ref: ${{ github.event.pull_request.head.sha }}
+
+    - name: comment on PR with Binder link
+      uses: actions/github-script@v1
+      with:
+        github-token: ${{secrets.GITHUB_TOKEN}}
+        script: |
+          var BRANCH_NAME = process.env.BRANCH_NAME;
+          github.issues.createComment({
+            issue_number: context.issue.number,
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            body: `[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/${context.repo.owner}/${context.repo.repo}/${BRANCH_NAME}?urlpath=lab) :point_left: Launch a binder notebook on this branch`
+          }) 
+      env:
+        BRANCH_NAME: ${{ github.event.pull_request.head.ref }}

README.md

@@ -24,7 +24,7 @@ In all cases, learners should follow along the worked examples in each lesson by
 Lessons
 -------
 > Launch an interactive session with this module using the Binder service:
-[![Binder](https://mybinder.org/badge.svg)](https://mybinder.org/v2/gh/barbagroup/CFDPython/master)
+[![Binder](https://mybinder.org/badge.svg)](https://mybinder.org/v2/gh/barbagroup/CFDPython/master?urlpath=lab)
 
 Steps 1–4 are in one spatial dimension. Steps 5–10 are in two dimensions (2D). Steps 11–12 solve the Navier-Stokes equation in 2D. Three "bonus" notebooks cover the CFL condition for numerical stability, array operations with NumPy, and defining functions in Python.
 
@@ -111,6 +111,12 @@ Once Jupyter is installed, open up a terminal and then run
 jupyter notebook
 ```
 
+or if you want to run JupyterLab 
+
+```Bash
+jupyter lab
+```
+
 This will start up a Jupyter session in your browser!
 
 ## How to contribute to CFD Python