Add credentials

Author: mmumshad

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

@@ -47,6 +47,7 @@ static void updateVote(Connection dbConn, String voterID, String vote) throws SQ
 
   static Jedis connectToRedis(String host) {
     Jedis conn = new Jedis(host);
+    conn.auth("redis_password")
 
     while (true) {
       try {
@@ -68,7 +69,7 @@ static Connection connectToDB(String host) throws SQLException {
     try {
 
       Class.forName("org.postgresql.Driver");
-      String url = "jdbc:postgresql://" + host + "/postgres";
+      String url = "jdbc:postgresql://" + host + "/postgres?user=postgres_user&password=postgres_password";
 
       while (conn == null) {
         try {