From a5feeaaca74d82a99bbb8063afee51cb9984f978 Mon Sep 17 00:00:00 2001
From: eug-vs <eug-vs@keemail.me>
Date: Sat, 7 Nov 2020 12:36:39 +0300
Subject: feat: provide local MONGODB_URI in correct step

---
 Dockerfile         | 4 ++--
 docker-compose.yml | 7 +++++++
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index aeafcc9..892c159 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,5 @@
+# Dockerfile to build which-api image
+
 FROM node:12
 
 WORKDIR /app
@@ -8,8 +10,6 @@ RUN npm install
 
 COPY . .
 
-ENV MONGODB_URI=mongodb://db:27017/which
-
 EXPOSE 3030
 
 CMD ["npm", "start"]
diff --git a/docker-compose.yml b/docker-compose.yml
index 1894901..f163ecd 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,9 +1,16 @@
+# Build and run which-api with database in container
+#
+# If you are getting "port already in use" error,
+# try changing exposed ports, e.g 27017:27017 -> 27018:27017
+
 version: '3'
 services:
   app:
     container_name: which-api
     restart: always
     build: .
+    environment:
+      - MONGODB_URI=mongodb://db:27017/which
     ports:
       - '3030:3030'
     links:
-- 
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