Add new conda instructions to readme

README.md

@@ -15,10 +15,11 @@ Install Miniconda by following the instructions on this page:
 
 https://conda.io/miniconda.html
 
-Create a Conda environment that you will use for installing all
-of zesje's dependencies:
+Make sure you cloned this repository and enter its directory. Then 
+create a Conda environment that will automatically install all 
+of zesje's Python dependencies:
 
-    conda create -c conda-forge -n zesje-dev python=3.6 yarn
+    conda env create  # Creates an environment from environment.yml 
 
 Then, *activate* the conda environment:
 
@@ -31,10 +32,6 @@ Install all of the Javascript dependencies:
 
     yarn install
 
-Install all of the Python dependencies:
-
-    pip install -r requirements.txt -r requirements-dev.txt
-
 Unfortunately there is also another dependency that must be installed
 manually for now (we are working to bring this dependency into the
 Conda ecosystem). You can install this dependency in the following way
@@ -145,10 +142,10 @@ If you use Atom, install the [linter-js-standard-engine](https://atom.io/package
 ### Adding dependencies
 
 #### Server-side
-If you start using a new Python library, be sure to add it to `requirements.txt`. Python libraries for the testing are in `requirements-dev.txt`.
-The packages can be installed and updated in your environment by `pip` using
+If you start using a new Python library, be sure to add it to `environment.yml`.
+The packages can be installed and updated in your environment by `conda` using
 
-    pip install -r requirements.txt -r requirements-dev.txt
+    conda env update
 
 
 #### Client-side