Prepared solution for intern

blog/config/config.rb

@@ -16,10 +16,10 @@ module BlogBackend
 end
 
 BlogBackend.configure do |config|
-  config.postgres.database = ENV.fetch("DATABASE_NAME") { "ewallet_backend" }
-  config.postgres.host = ENV.fetch("DATABASE_HOST")
-  config.postgres.password = ENV.fetch("DATABASE_PASSWORD")
-  config.postgres.username = ENV.fetch("DATABASE_USERNAME")
+  config.postgres.database = ENV.fetch("POSTGRES_NAME") { "ewallet_backend" }
+  config.postgres.host = ENV.fetch("POSTGRES_HOST")
+  config.postgres.password = ENV.fetch("POSTGRES_PASSWORD")
+  config.postgres.username = ENV.fetch("POSTGRES_USERNAME")
 
   config.redis.uri = ENV.fetch("REDIS_URI")
 end

docker-compose.yml

@@ -0,0 +1,45 @@
+version: "3.4"
+services:
+
+  app:
+    build:
+      context: https://github.com/ynd-consult-ug/docker-ruby.git#:generated/alpine/3.11/2.6.3/
+    image: ymd-base-image
+    env_file:
+      - blog/.env
+    volumes:
+      - ./blog:/blog
+    working_dir: /blog
+    entrypoint: /blog/docker-entrypoint.sh
+    expose:
+      - "3000"
+    ports:
+      - "3000:3000"
+    networks:
+      - ymd_web
+
+  db:
+    image: postgres
+    env_file:
+      - blog/.env
+    volumes:
+      - 'ymd-postgres:/var/lib/postgresql/data'
+    networks:
+      - ymd_web
+
+  redis:
+    image: redis
+    restart: unless-stopped
+    env_file:
+      - blog/.env
+    volumes:
+      - ymd-redis:/data
+    networks:
+      - ymd_web
+
+volumes:
+  ymd-postgres:
+  ymd-redis:
+
+networks:
+  ymd_web: