Add logging & config; update base images

bulletin-board-app/config/dbConfig.js

@@ -0,0 +1,9 @@
+var dbConfig = module.exports = {};
+
+dbConfig.options = {
+    username: 'sa',
+    password: 'DockerCon!!!',
+    host: 'bb-db',
+    post: 1433,
+    dbName: 'BulletinBoard'
+};

bulletin-board-app/config/logConfig.js

@@ -0,0 +1,10 @@
+const winston = require('winston');
+var logConfig = module.exports = {};
+
+logConfig.options = {
+    transports: [
+        new winston.transports.Console({
+            level: 'info'
+        })
+    ]
+};