diff --git a/README.md b/README.md
index b2cf02f..a71bdfd 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,12 @@
 # Conda environment with environment.yml
 
-[![Binder](http://mybinder.org/badge_logo.svg)](http://beta.mybinder.org/v2/gh/binder-examples/conda_environment/v1.0?filepath=index.ipynb)
+[![Binder](http://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/3keepmovingforward3/conda/master?urlpath=lab)
 
 A Binder-compatible repo with an `environment.yml` file.
 
 Access this Binder at the following URL:
 
-https://mybinder.org/v2/gh/3keepmovingforward3/conda/test
+
 
 ## Notes
 The `environment.yml` file should list all Python libraries on which your notebooks
diff --git a/apt.txt b/apt.txt
new file mode 100644
index 0000000..64aabeb
--- /dev/null
+++ b/apt.txt
@@ -0,0 +1,7 @@
+texlive-latex-base
+texlive-latex-recommended
+texlive-science
+texlive-latex-extra
+texlive-fonts-recommended
+dvipng
+ghostscript
diff --git a/environment.yml b/environment.yml
index c9545ce..733b7a4 100644
--- a/environment.yml
+++ b/environment.yml
@@ -1,14 +1,20 @@
-name: example-environment
+name: base-environment
 channels:
   - conda-forge
 dependencies:
   - numpy
-  - psutil
-  - toolz
   - matplotlib
-  - dill
-  - pandas
-  - partd
-  - bokeh
-  - dask
   - scipy
+  - pandas
+  - octave_kernel
+  - pyjanitor
+  - node
+  - boto
+  - django
+  - requests
+  - nodejs=9
+  - jupyterlab>=0.33
+  - pip:
+    - bash_kernel
+    - jupyterlab_latex
+
diff --git a/postBuild b/postBuild
new file mode 100644
index 0000000..00477e1
--- /dev/null
+++ b/postBuild
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+# run matplotlib once to generate the font cache
+python -c "import matplotlib as mpl; mpl.use('Agg'); import pylab as plt; fig, ax = plt.subplots(); fig.savefig('test.png')"
+	
+test -e test.png && rm test.png
+
+jupyter labextension install @jupyterlab/latex
+jupyter lab build