add conda constructor

.github/workflows/package.yml

@@ -0,0 +1,30 @@
+name: Package
+
+on:
+  push:
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash -el {0}
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.10"]
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Setup Python
+      uses: mamba-org/setup-micromamba@v1.4.3
+      with:
+        python-version: ${{ matrix.python-version }}
+        environment-file: environment-dev.yml
+        create-args: >-
+          python=${{ matrix.python-version }}
+
+    - name: Install conda constructor
+      run: conda install constructor
+
+    - name: Package Japps
+      run: constructor .

construct.yaml

@@ -0,0 +1,21 @@
+name: JHub
+version: "0.1"
+channels:
+  - conda-forge
+specs:
+  - python 3.10.*
+  - flask
+  - jupyterhub
+  - jupyter
+  - plotlydash-tornado-cmd
+  - bokeh-root-cmd
+  - jhsingle-native-proxy
+  - pytest
+  - black
+  - panel
+  - bokeh
+  - voila
+  - dash
+  - streamlit
+  - traitlets
+license_file: LICENSE

jhub_apps/main.py

@@ -1,6 +1,11 @@
-def app():
-    print("Hello world")
-    import time
+from jhub_apps.__about__ import __version__
+
+import argparse
 
-    time.sleep(500)
-    return 1
+
+def app():
+    parser = argparse.ArgumentParser(
+        prog='JHub Apps',
+        description='JupyterHub App Launcher')
+    parser.add_argument('--version', action='version', version=__version__)
+    parser.parse_args()