List dependencies in requirements.txt instead.

Author: refeed

entrypoint.sh

@@ -32,8 +32,7 @@ python3 get-pip.py
 pip install virtualenv
 virtualenv -p python3 .
 source bin/activate
-pip3 install zulip==0.6.3
-pip3 install pyyaml==5.2
+pip3 install install -r requirements.txt
 # crudini is not available as an Alpine pkg, so we install via pip.
 pip3 install crudini
 

requirements.txt

@@ -0,0 +1,2 @@
+pyyaml==5.2
+zulip==0.6.3