Introduce env file.

Author: DavidLemayian

.env.default

@@ -0,0 +1,4 @@
+PYTHONDONTWRITEBYTECODE="True"
+FLASK_APP=healthtools/manage.py
+HTOOLS_ES_HOST=elasticsearch
+HTOOLS_MEMCACHED_URL=memcached:11211

README.md

@@ -54,6 +54,7 @@ To get started with developing on HealthTools.API, do the following:
 ```shell
 git clone https://github.com/CodeForAfricaLabs/HealthTools.API.git`
 cd HealthTools.API
+touch .env
 docker-compose build web
 docker-compose up web
 

docker-compose.yml

@@ -20,11 +20,9 @@ services:
       - memcached
     volumes:
       - "./:/htools-api"
-    environment:
-      - PYTHONDONTWRITEBYTECODE="True"
-      - FLASK_APP=healthtools/manage.py
-      - HTOOLS_ES_HOST=elasticsearch
-      - HTOOLS_MEMCACHED_URL=memcached:11211
+    env_file:
+      - .env.default
+      - .env
 
 volumes:
   elasticsearch-data: {}