Set an explicit username and password for the db service

docker-compose.yml

@@ -43,6 +43,9 @@ services:
   db:
     image: postgres:9.4
     container_name: db
+    environment:
+      POSTGRES_USER: "postgres"
+      POSTGRES_PASSWORD: "postgres"
     volumes:
       - "db-data:/var/lib/postgresql/data"
     networks:

result/server.js

@@ -24,7 +24,7 @@ io.sockets.on('connection', function (socket) {
 });
 
 var pool = new pg.Pool({
-  connectionString: 'postgres://postgres@db/postgres'
+  connectionString: 'postgres://postgres:postgres@db/postgres'
 });
 
 async.retry(

worker/src/Worker/Program.cs

@@ -16,7 +16,7 @@ namespace Worker
         {
             try
             {
-                var pgsql = OpenDbConnection("Server=db;Username=postgres;");
+                var pgsql = OpenDbConnection("Server=db;Username=postgres;Password=postgres;");
                 var redisConn = OpenRedisConnection("redis");
                 var redis = redisConn.GetDatabase();
 
@@ -46,7 +46,7 @@ namespace Worker
                         if (!pgsql.State.Equals(System.Data.ConnectionState.Open))
                         {
                             Console.WriteLine("Reconnecting DB");
-                            pgsql = OpenDbConnection("Server=db;Username=postgres;");
+                            pgsql = OpenDbConnection("Server=db;Username=postgres;Password=postgres;");
                         }
                         else
                         { // Normal +1 vote requested

worker/src/main/java/worker/Worker.java

@@ -72,7 +72,7 @@ class Worker {
 
       while (conn == null) {
         try {
-          conn = DriverManager.getConnection(url, "postgres", "");
+          conn = DriverManager.getConnection(url, "postgres", "postgres");
         } catch (SQLException e) {
           System.err.println("Waiting for db");
           sleep(1000);