Add Dockerisation files

backend-services/feed-service/Dockerfile

+FROM sbtscala/scala-sbt:eclipse-temurin-focal-11.0.17_8_1.8.2_2.13.10
+
+WORKDIR /feed-service/app
+
+ADD . .
+
+EXPOSE 9000
+
+CMD sbt run

backend-services/feed-service/build.sbt

 name := """feed-service"""
 organization := "com.daily"
 
-version := "1.0-SNAPSHOT"
+version := "1.0.0"
 
 lazy val root = (project in file(".")).enablePlugins(PlayScala)
 

docker-compose.yml

+version: "3.9"
+services: 
+  feed-service:
+    build: 
+      context: './backend-services/feed-service'
+      dockerfile: Dockerfile
+    restart: unless-stopped
+    ports: 
+     - "9001:9000"