Allow installing minified version (#144)

Author: zelima

requirements.min.in

@@ -0,0 +1,10 @@
+httpagentparser
+psycopg2
+pyyaml<5.3,>=5
+kubernetes
+click
+toml
+urllib3<1.25
+ruamel.yaml<1
+requests==2.21
+python-dateutil<3

setup.py

@@ -1,5 +1,5 @@
 from setuptools import setup, find_packages
-from os import path
+from os import path, environ
 from time import time
 
 here = path.abspath(path.dirname(__file__))
@@ -11,9 +11,11 @@
 else:
     version = str(time())
 
-with open('requirements.in') as requirements_file:
+req_file_name = 'requirements.min.in' if environ.get('INSTALL_MINIFIED') else 'requirements.in'
+
+with open(req_file_name) as requirements_file:
     install_requires = requirements_file.read().strip().split('\n')
-    
+
 setup(
     name='ckan_cloud_operator',
     version=version,